SCIENTIFIC UNIT CONVERSION CHART

Originally compiled (text version), from various sources, by Don Rittner (GEnie: D.Rittner, MacNET: DRITTNER, CIS: 70057,1325, AppleLink: UG0194, MECCA BBS: 518 381 4430); HTML Tables by Tim Allen (tallen@keene.edu), January 1997

To use, find the unit you want to convert from in the first column, and the unit you want to convert to in the second, and multiply by the number shown. The units are arranged alphabetically; or use your browser's "Find" button.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

A

TO CONVERT INTO MULTIPLY BY
abecoulombs statcoulombs 2.998 x 10 10th power
acres sq chains (Gunter's) 10
acres sq rods 160
acres square links (Gunter's) 1 x 10 5th power
acres hectares or sq.hectometers 0.4047
acres sq ft 43,560.00
acres sq meters 4,047.00
acres sq miles 1.562 x 10-3rd power
acres sq yd 4,840.00
acre-feet cu ft 43,560.00
acre-feet gallons 3.259 x 10 5th power
amperes/sq cm amps/sq in 6.452
amperes/sq cm amps/sq meter 10 4th power
amperes/sq in amps/sq cm 0.155
amperes/sq in amps/sq meter 1,550.00
amperes/sq meter amps/sq cm 10-4th power
amperes/sq meter amps/sq in 6.452 x 10-4th power
ampere-hours coulombs 3,600.00
ampere-hours faradays 0.03731
ampere-turns gilberts 1.257
ampere-turns/cm amp-turns/in 2.54
ampere-turns/cm amp-turns/meter 100
ampere-turns/cm gilberts/cm 1.257
ampere-turns/in amp-turns/cm 0.3937
ampere-turns/in amp-turns/meter 39.37
ampere-turns/in gilberts/cm 0.495
ampere-turns/meter amp-turns/cm 0.01
ampere-turns/meter amp-turns/in 0.0254
ampere-turns/meter gilberts/cm 0.01257
angstrom unit inches 3937 x 10-9th power
angstrom unit meters 1 x 10-10th power
angstrom unit microns or (mu) 1 x 10-4th power
ares acres (US) 0.02471
ares sq yd 119.6
ares acres 0.02471
ares sq meters 100
astronomical units kilometers 1.495 x 10 8th power
atmospheres ton/sq in 0.007348
atmospheres cm of mercury 76
atmospheres ft of water (at 4 degrees C) 33.9
atmospheres in of mercury (at 0 degrees C) 29.92
atmospheres kg/sq cm 1.0333
atmospheres kg/sq meter 10,332.00
atmospheres lb/sq in 14.7
atmospheres tons/sq ft 1.058

B

TO CONVERT INTO MULTIPLY BY
barrels (US, dry) cu in 7056
barrels (US, dry) quarts (dry) 105
barrels (US, liq) gallons 31.5
barrels (oil) gallons (oil) 42
bars atmospheres 0.9869
bars dynes/sq cm 10 6th power
bars kg/sq meter 1.020 x 10 4th power
bars lb/sq ft 2,089.00
bars lb/sq in 14.5
baryes dynes/sq cm 1
bolts (US cloth) meters 36.576
BTU liter-atmosphere 10.409
BTU ergs 1.0550 x 10 10th power
BTU foot-lb 778.3
BTU gram-calories 252
BTU horsepower-hr 3.931 x 10-4th power
BTU joules 1,054.80
BTU kilogram-calories 0.252
BTU kilogram-meters 107.5
BTU kilowatt-hr 2.928 x 10-4th power
BTU/hr foot-lb/sec 0.2162
But/hr gram-cal/sec 0.07
BTU/hr horsepower-hr 3.929 x 10-4th power
BTU/hr watts 0.2931
BTU/min foot-lb/sec 12.96
BTU/min horsepower 0.02356
BTU/min kilowatts 0.01757
BTU/min watts 17.57
BTU/sq ft/min watts/sq in 0.1221
bucket (Br dry) cubic cm 1.818 x 10 4th power
bushels cu ft 1.2445
bushels cu in 2,150.40
bushels cu meters 0.03524
bushels liters 35.24
bushels pecks 4
bushels pints (dry) 64
bushels quarts (dry) 32

C

TO CONVERT INTO MULTIPLY BY
calories, gram (mean) BTU (mean) 3.9685 x 10-3rd power
candle/sq cm lamberts 3.142
candle/sq inch lamberts 0.487
centares (centiares) sq meters 1
centigrade Fahrenheit (C degrees x 9/5)+32
centigrams grams 0.01
centiliter ounces (US fluid) 0.3382
centiliter cu in 0.6103
centiliter drams 2.705
centiliter liters 0.01
centimeters feet 3.281 x 10-2nd power
centimeters inches 0.3937
centimeters kilometers 10-5th power
centimeters meters 0.01
centimeters miles 6.214 x 10-6th power
centimeters millimeters 10
centimeters mils 393.7
centimeters yards 1.094 x 10-2nd power
centimeters-dynes cm-grams 1.020 x 10-3rd power
centimeters-dynes meter-kg 1.020 x 10-8th power
centimeters-dynes lb-ft 7.376 x 10-8th power
centimeter-grams cm-dynes 980.7
centimeter-grams meter-kg 10-5th power
centimeter-grams lb-ft 7.233 x 10-5th power
centimeters of mercury atmospheres 0.01316
centimeters of mercury ft of water 0.4461
centimeters of mercury kg/sq meter 136
centimeters of mercury lb/sq ft 27.85
centimeters of mercury lb/sq in 0.1934
centimeters/sec ft/min 1.1969
centimeters/sec ft/sec 0.03281
centimeters/sec kilometers/hr 0.036
centimeters/sec knots 0.1943
centimeters/sec meters/min 0.6
centimeters/sec miles/hr 0.02237
centimeters/sec miles/min 3.728 x 10-4th power
centimeters/sec/sec ft/sec/sec 0.03281
centimeters/sec/sec km/hr/sec 0.036
centimeters/sec/sec meters/sec/sec 0.01
centimeters/sec/sec miles/hr/sec 0.02237
chain inches 792
chain meters 20.12
chains(surveyor's or Gunter's) yards 22
circular mils sq cm 5.067 x 10-6th power
circular mils sq mils 0.7854
circular mils sq in 7.854 x 10-7th power
circumference radians 6.283
cords cord ft 8
cord feet cu ft 16
coulomb statcoulombs 2.998 x 10 9th power
coulombs faradays 1.036 x 10-5th power
coulombs/sq cm coulombs/sq in 64.52
coulombs/sq cm coulombs/sq meter 10 4th power
coulombs/sq in coulombs/sq cm 0.155
coulombs/sq in coulombs/sq meter 1,550.00
coulombs/sq meter coulombs/sq cm 10-4th power
coulombs/sq meter coulombs/sq in 6.452 x 10-4th power
cubic centimeters cu ft 3.531 x 10-5th power
cubic centimeters cu in 0.06102
cubic centimeters cu meters 10-4th power
cubic centimeters cu yards 1.308 x 10-4th power
cubic centimeters gallons (US lig) 2.642 x 10-4th power
cubic centimeters liters 0.001
cubic centimeters pints (US lig) 2.113 x 10-3rd power
cubic centimeters quarts (US lig) 1.057 x 10-3rd power
cubic feet bushels (dry) 0.8036
cubic feet cu cm 28,320.00
cubic feet cu in 1,728.00
cubic feet cu meters 0.02832
cubic feet cu yd 0.03704
cubic feet gallons (US lig) 7.48052
cubic feet liters 28.32
cubic feet pints (US lig) 59.84
cubic feet quarts (US lig) 29.92
cubic feet/min cu cm/sec 472
cubic feet/min gallons/sec 0.1247
cubic feet/min liters/sec 0.472
cubic feet/min l b of water/min 62.43
cubic feet/sec million gals/day 0.646317
cubic feet/sec gallons/min 448.831
cubic inches cu cm 16.39
cubic inches cu ft 5.787 x 10-4th power
cubic inches cu meters 1.639 x 10-5th power
cubic inches cu yard 2.143 x 10-5th power
cubic inches gallons 4.329 x 10-3rd power
cubic inches liters 0.01639
cubic inches mil/ft 1.061 x 10 5th power
cubic inches pints (US lig) 0.03463
cubic inches quarts (US lig) 0.01732
cubic meters bushels (dry) 28.38
cubic meters cu cm 10 6th power
cubic meters cu ft 35.31
cubic meters cu in 61,023.00
cubic meters cu yard 1.308
cubic meters gallons (US lig) 264.2
cubic meters liters 1,000.00
cubic meters pints (US lig) 2,113.00
cubic meters quarts (US lig) 1,057.00
cubic yards cu cm 7.646 x 10 5th power
cubic yards cu ft 27
cubic yards cu in 46,656.00
cubic yards cu meters 0.7646
cubic yards gallons (US lig) 202
cubic yards liters 764.6
cubic yards pints (US lig) 1,615.90
cubic yards quarts (US lig) 807.9
cubic yards/min cubic ft/sec 0.45
cubic yards/min gallons/sec 3.367
cubic yards/min liters/sec 12.74

D

TO CONVERT INTO MULTIPLY BY
Dalton gram 1.650 x 10-24th power
days seconds 86,400.00
decigrams grams 0.1
deciliters liters 0.1
decimeters meters 0.1
degrees (angle) quadrants 0.01111
degrees (angle) radians 0.01745
degrees (angle) seconds 3,600.00
degrees/sec radians/sec 0.01745
degrees/sec revolutions/min 0.1667
degrees/sec revolutions/sec 2.778 x 10-3rd power
dekagrams grams 10
dekaliters liters 10
dekameters meters 10
drams (apoth or troy) ounces (avoirdupois) 0.1371429
drams (apoth or troy) ounces (troy) 0.125
drams (US fl or apoth) cubic cm 3.6967
drams grams 1.7718
drams grains 27.3437
drams ounces 0.0625
dyne/cm erg/sq mm 0.01
dyne/sq cm atmospheres 9.869 x 10-7th power
dyne/sq cm inch of mercury at 0 degrees C 2.953 x 10-5th power
dyne/sq cm inch of water at 4 degrees C 4.015 x 10-4th power
dynes/sq cm bars 10-6th power
dynes grams 1.020 x 10-3rd power
dynes joules/cm 10-7th power
dynes joules/meter (newtons) 10-5th power
dynes kilograms 1.020 x 10-6th power
dynes poundals 7.233 x 10-5th power
dynes pounds 2.248 x 10-6th power

E

TO CONVERT INTO MULTIPLY BY
ell cm 114.3
ell inches 45
em, pica inches 0.167
em, pica cm 0.4233
erg/sec dyne - cm/sec 1
ergs BTU 9.480 x 10-11th power
ergs dyne-centimeters 1
ergs foot-lb 7.367 x 10-8th power
ergs gram-calories 0.2389 x 10-7th power
ergs gram-cm 1.020 x 10-3rd power
ergs horsepower-hr 3.7250 x10-14th power
ergs joules 10-7th power
ergs kg-calories 2.389 x 10-11th power
ergs kg-meters 1.020 x 10-8th power
ergs kilowatt-hr 0.2778 x 10-13th power
ergs watt-hr 0.2778 x 10-10th power
ergs/sec BTU/min 5,668 x 10-9th power
ergs/sec ft-lb/min 4.427 x 10-6th power
ergs/sec ft-lb/sec 7.3756 x 10-8th power
ergs/sec horsepower 1.341 x 10-10th power
ergs/sec kg-calories/min 1.433 x 10-9th power
ergs/sec kilowatts 10-10th power

F

TO CONVERT INTO MULTIPLY BY
farads microfarads 10 6th power
faradays/sec ampere (absolute) 9.6500 x 10 4th power
faradays ampere-hr 26.8
faradays coulombs 9.649 x 10 4th power
fathoms meters 1.828804
fathoms feet 6
feet centimeters 30.48
feet kilometers 3.048 x 10-4th power
feet meters 0.3048
feet miles (naut) 1.645 x 10-4th power
feet miles (stat) 1.894 x 10-4th power
feet millimeters 304.8
feet mils 1.2 x 10 4th power
feet of water atmospheres 0.0295
feet of water in of mercury 0.8826
feet of water kg/sq cm 0.03048
feet of water kg/sq meter 304.8
feet of water lb/sq ft 62.43
feet of water lb/sq in 0.4335
feet/min cm/sec 0.508
feet/min feet/sec 0.01667
feet/min km/hr 0.01829
feet/min meters/min 0.3048
feet/min miles/hr 0.01136
feet/sec cm/sec 30.48
feet/sec km/hr 1.097
feet/sec knots 0.5921
feet/sec meters/min 18.29
feet/sec miles/hr 0.6818
feet/sec miles/min 0.01136
feet/sec/sec cm/sec/sec 30.48
feet/sec/sec km/hr/sec 1.097
feet/sec/sec meters/sec/sec 0.3048
feet/sec/sec miles/hr/sec 0.6818
feet/100 feet percent grade 1
foot-candles lumens/sq meter 10.764
foot-pounds BTU 1.286 x 10-3rd power
foot-pounds ergs 1.356 x 10 7th power
foot-pounds gram-calories 0.3238
foot-pounds hp-hr 5.050 x 10-7th power
foot-pounds joules 1.356
foot-pounds kg-calories 3.24 x 10-4th power
foot-pounds kg-meters 0.1383
foot-pounds kilowatt-hr 3.766 x 10-7th power
foot-pounds/min BTU/min 1.286 x 10-3rd power
foot-pounds/min foot-lb/sec 0.01667
foot-pounds/min horsepower 3.030 x 10-5th power
foot-pounds/min kg-calories/min 3.24 x 10-4th power
foot-pounds/min kilowatts 2.260 x 10-5th power
foot-pounds/sec BTU/hr 4.6263
foot-pounds/sec BTU/min 0.07717
foot-pounds/sec horsepower 1.818 x 10-3rd power
foot-pounds/sec kg-calories/min 0.01945
foot-pounds/sec kilowatts 1.356 x 10-3rd power
furlongs miles (US) 0.125
furlongs rods 40
furlongs feet 660

G

TO CONVERT INTO MULTIPLY BY
gallons cu cm 3,785.00
gallons cu ft 0.1337
gallons cu in 231
gallons cu meters 3.785 x 10-3rd power
gallons cu yd 4.951 x 10-3rd power
gallons liters 3.785
gallons (lig Br Imp) gallons (US lig) 1.20095
gallons (US) gallons (Imp) 0.83267
gallons of water lb of water 8.3453
gallons/min cu ft/sec 2.228 x 10-3rd power
gallons/min liters/sec 0.06308
gallons/min cu ft/hr 8.0208
gausses lines/sq in 6.452
gausses webers/sq cm 10-8th power
gausses webers/sq in 6.452 x 10-8th power
gausses webers/sq meter 10-4th power
gilberts ampere-turns 0.7958
gilberts/cm amp-turns/cm 0.7958
gilberts/cm amp-turns/in 2.021
gilberts/cm amp-turns/meter 79.58
gills (Br) cu cm 142.07
gills liters 0.1183
gills pints (lig) 0.25
grade radian 0.01571
grains drams (avoirdupois) 0.03657143
grains (troy) grains (avdp) 1
grains (troy) grams 0.0648
grains (troy) ounces (avdp) 2.0833 x 10-3rd power
grains (troy) pennyweight (troy) 0.04167
grains/US gal parts/million 17.118
grains/US gal lb/million gal 142.86
grains/Imp gal parts/million 14.286
grams dynes 980.7
grams grains 15.43
grams joules/cm 9.807 x 10-5th power
grams joules/meter (newtons) 9.807 x10-3rd power
grams kilograms 0.001
grams milligrams 1,000.00
grams ounces (avdp) 0.03527
grams ounces (troy) 0.03215
grams poundals 0.07093
grams pounds 2.205 x 10-3rd power
grams/cm lb/in 5.600 x 10-3rd power
grams/cu cm lb/cu ft 62.43
grams/cu cm lb/cu in 0.03613
grams/cu cm lb/mil-ft 3.405 x 10-7th power
grams/liter grains/gal 58.417
grams/liter lb/1,000 gal 8.345
grams/liter lb/cu ft 0.062427
grams/liter parts/million 1,000.00
grams/sq cm lb/sq ft 2.0481
gram-calories BTU 3.9683 x 10-3rd power
gram-calories ergs 4.1868 x 10 7th power
gram-calories ft-lb 3.088
gram-calories horsepower-hr 1.5596 x 10-6th power
gram-calories kilowatt-hr 1.1630 x 10-6th power
gram-calories watt-hr 1.1630 x 10-3rd power
gram-calories/sec BTU/hr 14.286
gram-centimeters BTU 9.297 x 10-8th power
gram-centimeters ergs 980.7
gram-centimeters joules 9.807 x 10-5th power
gram-centimeters kg-cal 2.343 x 10-8th power
gram-centimeters kg-meters 10-5th power

H

TO CONVERT INTO MULTIPLY BY
hand cm 10.16
hectares acres 2.471
hectares sq ft 1.076 x 10 5th power
hectograms grams 100
hectoliters liters 100
hectometers meters 100
hectowatts watts 100
henries millihenries 1,000.00
hogsheads (Br) cu ft 10.114
hogsheads (US) cu ft 8.42184
hogsheads (US) gallons (US) 63
horsepower BTU/min 42.44
horsepower ft-lb/min 33,000.00
horsepower ft-lb/sec 550
horsepower (metric; 542.5 ft-lb/sec) horsepower (550 ft-lb/sec) 0.9863
horsepower (550 ft-lb/sec) horsepower (metric; 542.5 ft-lb/sec) 1.014
horsepower kg-calories/min 10.68
horsepower kilowatts 0.7457
horsepower watts 745.7
horsepower (boiler) BTU/hr 33,479.00
horsepower (boiler) kilowatts 9.803
horsepower-hours BTU 2,547.00
horsepower-hours ergs 2.6845 x 10 13th power
horsepower-hours ft-lb 1.98 x 10 6th power
horsepower-hours gm-cal 641,190.00
horsepower-hours joules 2.684 x 10 6th power
horsepower-hours kg-calories 641.1
horsepower-hours kg-meters 2.737 x 10 5th power
horsepower-hours kilowatt-hr 0.7457
hours days 4.167 x 10-2nd power
hours weeks 5.952 x 10-3rd power
hundredweights (long) pounds 112
hundredweights (long) tons (long) 0.05
hundredweights (short) ounces (avoirdupois) 1600
hundredweights (short) pounds 100
hundredweights (short) tons (metric) 0.0453592
hundredweights (short) tons (long) 0.0446429

I

TO CONVERT INTO MULTIPLY BY
inches centimeters 2.54
inches meters 2.540 x 10-2nd power
inches miles 1.578 x 10-5th power
inches milimeters 25.4
inches mils 1,000.00
inches yards 2.778 x 10-2nd power
inches of mercury atmospheres 0.03342
inches of mercury ft of water 1.133
inches of mercury kg/sq cm 0.03453
inches of mercury kg/sq meter 345.3
inches of mercury lb/sq ft 70.73
inches of mercury lb/sq in 0.4912
inches of water (at 4 degrees C) atmospheres 2.458 x 10-3rd power
inches of water (at 4 degrees C) in of mercury 0.07355
inches of water (at 4 degrees C) kg/sq cm 2.540 x 10-3rd power
inches of water (at 4 degrees C) oz/sq in 0.5781
inches of water (at 4 degrees C) lb/sq ft 5.204
inches of water (at 4 degrees C) lb/sq in 0.03613
international ampere ampere (abs) 0.9998
international volt volts (abs) 1.0003
international volt joules 9.654 x 10 4th power

J

TO CONVERT INTO MULTIPLY BY
joules BTU 9.480 x 10-4th power
joules ergs 10 7th power
joules ft-lb 0.7376
joules kg-calories 2.389 x 10-4th power
joules kg-meters 0.102
joules watt-hr 2.778 x 10-4th power
joules/cm grams 1.020 x 10 4th power
joules/cm dynes 10 7th power
joules/cm joules/meter (newtons) 100
joules/cm poundals 723.3
joules/cm pounds 22.48

K

TO CONVERT INTO MULTIPLY BY
kilograms dynes 980,665.00
kilograms grams 1,000.00
kilograms joules/cm 0.09807
kilograms joules/meter (newtons) 9.807
kilograms poundals 70.93
kilograms pounds 2.205
kilograms tons (long) 9.842 x 10-4th power
kilograms tons (short) 1.102 x 10-3rd power
kilograms/cu meter gm/cu cm 0.001
kilograms/cu meter lb/cu ft 0.06243
kilograms/cu meter lb/cu in 3.3613 x 10-5th power
kilograms/cu meter lb/mil-foot 3.405 x 10-10th power
kilograms/meter lb/ft 0.672
kilogram/sq cm dynes 980,665.00
kilograms/sq cm atmospheres 0.9678
kilograms/sq cm ft of water 32.81
kilograms/sq cm in of mercury 28.96
kilograms/sq cm lb/sq ft 2,048.00
kilograms/sq cm lb/sq in 14.22
kilograms/sq meter atmospheres 9.678 x 10-5th power
kilograms/sq meter bars 98.07 x 10-6th power
kilograms/sq meter ft of water 3.281 x 10-3rd power
kilograms/sq meter in of mercury 2.896 x 10-3rd power
kilograms/sq meter lb/sq ft 0.2048
kilograms/sq meter lb/sq in 1.422 x 10-3rd power
kilograms/sq mm kg/sq meter 10 6th power
kilogram-calories BTU 3.968
kilogram-calories ft-lb 3,088.00
kilogram-calories hp-hr 1.560 x 10-3rd power
kilogram-calories joules 4,186.00
kilogram-calories kg-meters 426.9
kilogram-calories kilojoules 4.186
kilogram-calories kilowatt-hr 1.163 x 10-3rd power
kilogram meters BTU 9.294 x 10-3rd power
kilogram meters ergs 9.804 x 10 7th power
kilogram meters ft-lb 7.233
kilogram meters joules 9.804
kilogram meters kg-calories 2.342 x 10-3rd power
kilogram meters kilowatt-hr 2.723 x 10-6th power
kilolines maxwells 1,000.00
kiloliters liters 1,000.00
kilometers centimeters 10 5th power
kilometers feet 3,281.00
kilometers inches 3.937 x 10 4th power
kilometers meters 1,000.00
kilometers miles 0.6214
kilometers millimeters 10 6th power
kilometers yards 1,094.00
kilometers/hr cm/sec 27.78
kilometers/hr ft/min 54.68
kilometers/hr ft/sec 0.9113
kilometers/hr knots 0.5396
kilometers/hr meters/min 16.67
kilometers/hr miles/hr 0.6214
kilometers/hr/sec cm/sec/sec 27.78
kilometers/hr/sec ft/sec/sec 0.9113
kilometers/hr/sec meters/sec/sec 0.2778
kilometers/hr/sec miles/hr/sec 0.6214
kilowatts BTU/min 56.92
kilowatts foot-lb/min 4.426 x 10 4th power
kilowatts foot-lb/sec 737.6
kilowatts horsepower 1.341
kilowatts kg-calories/min 14.34
kilowatts watts 1,000.00
kilowatt-hours BTU 3,413.00
kilowatt-hours ergs 3.600 x 10 13th power
kilowatt-hours ft-lb 2.665 x 10 6th power
kilowatt-hours gram-calories 859,850.00
kilowatt-hours horsepower-hr 1.341
kilowatt-hours joules 3.6 x 10 6th power
kilowatt-hours kg-calories 860.5
kilowatt-hours kg-meters 3.671 x 10 5th power
kilowatt-hours lb of water evaporated, at 212 degrees F 3.53
kilowatt-hours lb of water raised from 62 degrees to 212 degrees F. 22.75
knots ft/hr 6,080.00
knots kilometers/hr 1.8532
knots nautical miles/hr 1
knots statute miles/hr 1.151
knots yd/hr 2,027.00
knots ft/sec 1.689

L

TO CONVERT INTO MULTIPLY BY
league miles (approx.) 3
light year miles 5.9 x 10 12th power
light year kilometers 9.46091 x 10 12th power
lines/sq cm gausses 1
lines/sq in gausses 0.155
lines/sq in webers/sq cm 1.550 x 10-9th power
lines/sq in webers/sq in 10-8th power
lines/sq in webers/sq meter 1.550 x 10-5th power
links (engineer's) inches 12
links (surveyor's) inches 7.92
liters bushels (US dry) 0.02838
liters cu cm 1,000.00
liters cu ft 0.03531
liters cu in 61.02
liters cu meters 0.001
liters cu yd 1.308 x 10-3rd power
liters gallons (US lig) 0.2642
liters pints (US lig) 2.113
liters quarts (US lig) 1.057
liters/min cu ft/sec 5.886 x 10-4th power
liters/min gal/sec 4.403 x 10-3rd power
lumens/sq ft foot-candles 1
lumen spherical candle power 0.07958
lumen watt 0.001496
lumen/sq ft lumen/sq meter 10.76
lux foot-candles 0.0929

M

TO CONVERT INTO MULTIPLY BY
maxwells kilolines 0.001
maxwells webers 10-8th power
megalines maxwells 10 6th power
megohms microhms 10 12th power
megohms ohms 10 6th power
meters centimeters 100
meters feet 3.281
meters inches 39.37
meters kilometers 0.001
meters miles (naut) 5.396 x 10-4th power
meters miles (stat) 6.214 x 10-4th power
meters millimeters 1,000.00
meters yards 1.094
meters varas 1.179
meters/min cm/sec 1.667
meters/min ft/min 3.281
meters/min ft/sec 0.05468
meters/min km/hr 0.06
meters/min knots 0.03238
meters/min miles/hr 0.03728
meters/sec feet/min 196.8
meters/sec feet/sec 3.281
meters/sec kilometers/hr 3.6
meters/sec kilometers/min 0.06
meters/sec miles/hr 2.237
meters/sec miles/min 0.03728
meters/sec/sec cm/sec/sec 100
meters/sec/sec ft/sec/sec 3.281
meters/sec/sec km/hr/sec 3.6
meters/sec/sec miles/hr/sec 2.237
meter-kilograms cm-dynes 9.807 x 10 7th power
meter-kilograms cm-gm 10 5th power
meter-kilograms lb-ft 7.233
microfarad farads 10-6th power
micrograms grams 10-6th power
microhms megohms 10-12th power
microhms ohms 10-6th power
microliters liters 10-6th power
microns meters 1 x 10-6th power
miles (naut) feet 6,080.27
miles (naut) kilometers 1.853
miles (naut) meters 1,853.00
miles (naut) miles (statute) 1.1516
miles (naut) yards 2,027.00
miles (statute) centimeters 1.609 x 10 5th power
miles (statute) feet 5,280.00
miles (statute) inches 6.336 x 10 4th power
miles (statute) kilometers 1.609
miles (statute) meters 1,609.00
miles (statute) miles (naut) 0.8684
miles (statute) yards 1,760.00
miles/hr cm/sec 44.7
miles/hr ft/min 88
miles/hr ft/sec 1,467.00
miles/hr km/hr 1.609
miles/hr km/min 0.02682
miles/hr knots 0.8684
miles/hr meters/min 26.82
miles/hr miles/min 0.1667
miles/hr/sec cm/sec/sec 44.7
miles/hr/sec ft/sec/sec 1.467
miles/hr/sec km/hr/sec 1.609
miles/hr/sec meters/sec/sec 0.447
miles/min cm/sec 2,682.00
miles/min ft/sec 88
miles/min km/min 1.609
miles/min knots/min 0.8684
miles/min miles/hr 60
mil-feet cu in 9.425 x 10-6th power
milliers kilograms 1,000.00
millimicrons meters 1 x 10-9th power
milligrams grains 0.01543236
milligrams grams 0.001
milligrams/liter parts/million 1
millihenries henries 0.001
milliliters liters 0.001
millimeters centimeters 0.1
millimeters feet 3.281 x 10-3rd power
millimeters inches 0.03937
millimeters kilometers 10-6th power
millimeters meters 0.001
millimeters miles 6.214 x 10-7th power
millimeters mils 39.37
millimeters yards 1.094 x 10-3rd power
million gals/day cu ft/sec 1.54723
mils centimeters 2.540 x 10-3rd power
mils feet 8.333 x 10-5th power
mils inches 0.001
mils kilometers 2.540 x 10-8th power
mils yards 2.778 x 10-5th power
Miner's inches cu ft/min 1.5
minims (Br) cu cm 0.059192
minims (US fl) cu cm 0.061612
minutes (angles) degrees 0.01667
minutes (angles) quadrants 1.852 x 10-4th power
minutes (angles) radians 2.909 x 10-4th power
minutes (angles) seconds 60
myriagrams kilograms 10
myriameters kilometers 10
myriawatts kilowatts 10

N

TO CONVERT INTO MULTIPLY BY
nepers decibels 8.686
newtons dynes 1 x 10 5th power

O

TO CONVERT INTO MULTIPLY BY
ohm (Int) ohm (abs) 1.0005
ohms megohms 10-6th power
ohms microhms 10 6th power
ounces drams 16
ounces grains 437.5
ounces grams 28.349527
ounces pounds 0.0625
ounces ounces (troy) 0.9115
ounces tons (long) 2.790 x 10-5th power
ounces tons (metric) 2.835 x 10-5th power
ounces (fl) cu in 1.805
ounces (fl) liters 0.02957
ounces (troy) grains 480
ounces (troy) grams 31.103481
ounces (troy) ounces (avdp) 1.09714
ounces (troy) pennyweights (troy) 20
ounces (troy) pounds (troy) 0.08333
ounce/sq in dynes/sq cm 4309
ounces/sq in pounds/sq in 0.0625

P

TO CONVERT INTO MULTIPLY BY
parsecs miles 19 x 10 12th power
parsecs kilometers 3.084 x 10 13th power
parts/million gr/US gal 0.0584
parts/million gr/Imp gal 0.07016
parts/million lb/million gal 8.345
pecks (Br) cu in 554.6
pecks (Br) liters 9.091901
pecks (US) bushels 0.25
pecks (US) cu in 537.605
pecks (US) liters 8.809582
pecks (US) quarts (dry) 8
pennyweights (troy) grains 24
pennyweights (troy) ounces (troy) 0.05
pennyweights (troy) grams 1.55517
pennyweights (troy) pounds (troy) 4.1667 x 10-3rd power
pints (dry) cu in 33.6
pints (liq) cu cm 473.2
pints (liq) cu ft 0.01671
pints (liq) cu in 28.87
pints (lig) cu meters 4.732 x 10-4th power
pints (liq) cu yd 6.189 x 10-4th power
pints (liq) gallons 0.125
pints (liq) liters 0.4732
pints (liq) quarts (lig) 0.5
Planck's quantum erg-sec 6.624 x 10-27th power
poise gm/cm sec 1
pounds (avdp) ounces (troy) 14.5833
poundals dynes 13,826.00
poundals grams 14.1
poundals joules/cm 1.383 x 10-3rd power
poundals joules/meter (newtons) 0.1383
poundals kilograms 0.0141
poundals pounds 0.03108
pounds drams 256
pounds dynes 44.4823 x 10 4th power
pounds grains 7,000.00
pounds grams 453.5924
pounds joules/cm 0.04448
pounds joules/meter (newtons) 4.448
pounds kilograms 0.4536
pounds ounces 16
pounds ounces (troy) 14.5833
pounds poundals 32.17
pounds pounds (troy) 1.21528
pounds tons (short) 0.0005
pounds (troy) grains 5,760.00
pounds (troy) grams 373.24177
pounds (troy) ounces (avdp) 13.1657
pounds (troy) ounces (troy) 12
pounds (troy) pennyweights (troy) 240
pounds (troy) pounds (avdp) 0.822857
pounds (troy) tons (long) 3.6735 x 10-4th power
pounds (troy) tons (metric) 3.7324 x 10-4th power
pounds (troy) tons (short) 4.1143 x 10-4th power
pounds of water cu ft 0.01602
pounds of water cu in 27.68
pounds of water gallons 0.1198
pounds of water/min cu ft/sec 2.670 x 10-4th power
pound-feet cm-dynes 1.356 x 10 7th power
pound-feet cm-gm 13,825.00
pound-feet meter-kg 0.1383
pounds/cu ft gm/cm cm 0.01602
pounds/cu ft kg/cu meter 16.02
pounds/cu ft lb/cu in 5.787 x 10-4th power
pounds/cu ft lb/mil-foot 5.456 x 10-9th power
pounds/cu in gm/cu cm 27.68
pounds/cu in kg/cu meter 2.768 x 10 4th power
pounds/cu in lb/cu ft 1,728.00
pounds/cu in lb/mil-foot 9.425 x 10-6th power
pounds/ft kg/meter 1.488
pounds/in gm/cm 178.6
pounds/mil-foot gm/cu cm 2.306 x 10 6th power
pounds/sq ft atmospheres 4.725 x 10-4th power
pounds/sq ft ft of water 0.01602
pounds/sq ft in of mercury 0.01414
pounds/sq ft kg/sq meter 4.882
pounds/sq ft lb/sq in 6.944 x 10-3rd power
pounds/sq in atmospheres 0.06804
pounds/sq in ft of water 2.307
pounds/sq in in of mercury 2.036
pounds/sq in kg/sq meter 703.1
pounds/sq in lb/sq ft 144

Q

TO CONVERT INTO MULTIPLY BY
quadrants (angle) degrees 90
quadrants (angle) minutes 5,400.00
quadrants (angle) radians 1.571
quadrants (angle) seconds 3.24 x 10 5th power
quarts (dry) cu in 67.2
quarts (lig) cu cm 946.4
quarts (lig) cu ft 0.03342
quarts (lig) cu in 57.75
quarts (lig) cu meters 9.464 x 10-4th power
quarts (lig) cu yd 1.238 x 10-3rd power
quarts (lig) gallons 0.25
guarts (lig) liters 0.9463

R

TO CONVERT INTO MULTIPLY BY
radians degrees 57.3
radians minutes 3,438.00
radians quadrants 0.6366
radians seconds 2.063 x 10 5th power
radians/sec degrees/sec 57.3
radians/sec rev/min 9.549
radians/sec rev/sec 0.1592
radians/sec/sec rev/min/min 573
radians/sec/sec rev/min/sec 9.549
radians/sec/sec rev/sec/sec 0.1592
revolutions degrees 360
revolutions quadrants 4
revolutions radians 6.283
revolutions/min degrees/sec 6
revolutions/min radians/sec 0.1047
revolutions/min rev/sec 0.01667
revolutions/min/min radians/sec/sec 1.745 x 10-3rd power
revolutions/min/min rev/min/sec 0.01667
revolutions/min/min rev/sec/sec 2.778 x 10-4th power
revolutions/sec degrees/sec 360
revolutions/sec radians/sec 6.283
revolutions/sec rev/min 60
revolutions/sec/sec radians/sec/sec 6.283
revolutions/sec/sec rev/min/min 3,600.00
revolutions/sec/sec rev/min/sec 60
rods chain (Gunter's) 0.25
rods meters 5.029
rods (surveyor's meas) yards 5.5
rods feet 16.5

S

TO CONVERT INTO MULTIPLY BY
scruples grains 20
seconds (angle) degrees 2.778 x 10-4th power
seconds (angle) minutes 0.01667
seconds (angle) quadrants 3.087 x 10-6th power
seconds (angle) radians 4.848 x 10-6th power
slug kilogram 14.59
slug pounds 32.17
sphere steradians 12.57
square centimeters circular mils 1.973 x 10 5th power
square centimeters sq ft 1.076 x 10-3rd power
square centimeters sq in 0.155
square centimeters sq meters 0.0001
square centimeters sq miles 3.861 x 10-11th power
square centimeters sq mm 100
square centimeters sq yd 1.196 x 10-4th power
square feet acres 2.296 x 10-5th power
square feet circular mils 1.833 x 10 8th power
square feet sq cm 929
square feet sq in 144
square feet sq meters 0.0929
square feet sq miles 3.587 x 10-8th power
square feet sq mm 9.290 x 10 4th power
square feet sq yd 0.1111
square inches circular mils 1.273 x 10 6th power
square inches sq cm 6.452
square inches sq ft 6.944 x 10-3rd power
square inches sq mm 645.2
square inches sq mils 10 6th power
square inches sq yd 7.716 x 10-4th power
square kilometers acres 247.1
square kilometers sq cm 10 10th power
square kilometers sq ft 10.76 x 10 6th power
square kilometers sq in 1.550 x 10 9th power
square kilometers sq meters 10 6th power
square kilometers sq miles 0.3861
square kilometers sq yd 1.196 x 10 6th power
square meters acres 2,471 x 10-4th power
square meters sq cm 10 4th power
square meters sq ft 10.76
square meters sq in 1,550.00
square meters sq miles 3.861 x 10-7th power
square meters sq mm 10 6th power
square meters sq yd 1.196
square miles acres 640
square miles sq ft 27.88 x 10 6th power
square miles sq km 2.59
square miles sq meters 2.590 x 10 6th power
square miles sq yd 3.098 x 10 6th power
square millimeters circular mils 1,973.00
square millimeters sq cm 0.01
square millimeters sq ft 1.076 x 10-5th power
square millimeters sq in 1.550 x 10-3rd power
square mils circular mils 1.273
square mils sq cm 6.452 x 10-6th power
square mils sq in 10-6th power
square yards acres 2.066 x 10-4th power
square yards sq cm 8,361.00
square yards sq ft 9
square yards sq in 1,296.00
square yards sq meters 0.8361
square yards sq miles 3.228 x 10-7th power
square yards sq mm 8.361 x 10 5th power

T

TO CONVERT INTO MULTIPLY BY
temperature (degrees C) + 273 absolute temperature ( degrees C) 1
temperature (degrees C) +17.78 temperature (degrees F) 1.8
temperature (degrees F) +460 absolute temperature (degrees F) 1
temperature (degrees F) -32 temperature (degrees C) 5/9 or 0.5555...
tons (long) kilograms 1,016.00
tons (long) pounds 2,240.00
tons (long) tons (short) 1.12
tons (metric) kilograms 1,000.00
tons (metric) pounds 2,205.00
tons (short) kilograms 907.1848
tons (short) ounces 32,000.00
tons (short) ounces (troy) 29,166.66
tons (short) pounds 2,000.00
tons (short) pounds (troy) 2,430.56
tons (short) tons (long) 0.89287
tons (short) tons (metric) 0.9078
tons (short)/sq ft kg/sq meter 9,765.00
tons (short)/sq ft lb/sq in 2,000.00
tons of water/24 hr lb of water/hr 83.333
tons of water/24 hr gal/min 0.16643
tons of water/24 hr cu ft/hr 1.3349

V

TO CONVERT INTO MULTIPLY BY
volt/inch volt/cm 0.3937
volt (abs) statvolts 0.003336

W

TO CONVERT INTO MULTIPLY BY
watts BTU/hr 3.4129
watts BTU/min 0.05688
watts ergs/sec 107
watts ft-lb/min 44.27
watts ft-lb/sec 0.7378
watts horsepower 1.341 x 10-3rd power
watts horsepower (metric) 1.360 x 10-3rd power
watts kg-calories/min 0.01433
watts kilowatts 0.001
watts (abs) BTU (mean)/min 0.056884
watts (abs) joules/sec 1
watt-hours BTU 3.413
watt-hours ergs 3.60 x 10 10th power
watt-hours ft-lb 2,656.00
watt-hours gm-cal 859.85
watt-hours horsepower-hr 1.341 x 10-3rd power
watt-hours kg-cal 0.8605
watt-hours kg-meters 367.2
watt-hours kilowatt-hr 0.001
watt (int) watt (abs) 1.0002
webers maxwells 10 8th power
webers kilolines 10 5th power
webers/sq in gausses 1.550 x 10 7th power
webers/sq in line/sq in 10 8th power
webers/sq in webers/sq cm 0.155
webers/sq in webers/sq meter 1,550.00
webers/sq meter gausses 10 4th power
webers/sq meter lines/sq in 6.452 x 10 4th power
webers/sq meter webers/sq cm 10-4th power
webers/sq meter webers/sq in 6.452 x 10-4th power

Y

TO CONVERT INTO MULTIPLY BY
yards centimeters 91.44
yards kilometers 9.144 x 10-4th power
yards meters 0.9144
yards miles (naut) 4.934 x 10-4th power
yards miles (stat) 5.682 x 10-4th power
yards millimeters 914.4

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