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A

L

acres sq feet 46,560 league miles (approx.) 3.0
acres sq miles 1.562 x 103 lines/sq cm gausses 1.0
acres sq yards 4,840 lines/sq in. gausses 0.1550
acre-feet cu feet 43,560 lines/sq in. webers/sq in. 1 x 10-8
acre-foot (U.S. survey) metre3 (m3) 1.233 x 103 lines/sq in. webers/sq meter 1.550 x 10-5
acre (U.S. survey) meter2 (m2) 4.47 x 103 liters bushels (U.S. dry) 0.02838
acre-feet gallons 3.259 x 105 liters cu cm 1,000
amperes/sq cm amps/sq in. 6.452 liters cu feet 0.03531
amperes/sq cm amps/sq meter 1 x 104 liters cu inches 61.02
amperes/sq in. amps/sq cm 0.1550 liters cu meters 0.001
amperes/sq in. amps/sq meter 1,550 liters gallons (U.S. liq.) 0.2642
amperes/sq meter amps/sq cm 1 x 10-4 liters quarts (U.S. liq.) 1.057
amperes/sq meter amps/sq in. 6.452 x 10-4 liters/min cu ft/sec 5.886 x 10-4
ampere-hours coulombs 3,600 liters/min gals/sec 4.403 x 10-3
ampere-hours faradays 0.03731      
ampere-turns/cm amp-turns/in. 2.540  

M

 
ampere-turns/in. amp-turns/cm 0.3937 megohms microhms 1012
ampere-turns/in. amp-turns/meter 39.37 megohms ohms 106
ampere-turns/in. gilberts/cm 0.4950 meters centimeters 100
ampere-turns/meter amp-turns/cm 0.01 meters feet 3.281
ampere-turns/meter amp-turns/in. 0.0254 meters inches 39.37
atmospheres bars 1.013 meters kilometers 0.001
atmospheres ton/sq in. 0.007348 meters miles (naut.) 5.396 x 10-4
atmospheres cms of mercury 76 meters miles (stat.) 6.214 x 10-4
atmospheres ft of water (at 4o C) 33.9 meters millimeters 1,000
atmospheres in. of mercury (at 0o C) 29.92 meters yards 1.094
atmospheres kgs/sq cm 1.0332 meters/min cms/sec 1.667
atmospheres kgs/sq meter 10,332 meters/min feet/min 3.281
atmospheres pounds/sq in. 14.696 meters/min feet/sec 0.05468
      meters/min kms/hr 0.06
 

B

  meters/min knots 0.03238
barrels (U.S., dry) quarts (dry) 105 meters/min miles/hr 0.03728

barrels (U.S., liquid)

gallons 31.5 meters/sec feet/min 196.8

barrels (oil)

gallons (oil) 42 meters/sec feet/sec 3.281
bars atmospheres 0.9869 meters/sec kilometers/hr 3.6
bars dynes/sq cm 106 meters/sec kilometers/min 0.06
bars kgs/sq meter 1.020 x 104 meters/sec miles/hr 2.237
bars pounds/sq in. 14.5 meters/sec miles/min 0.03728
BTU liter-atmosphere 10.409 meters/sec/sec cms/sec/sec 100
BTU ergs 1.0550 x 1010 meters/sec/sec ft/sec/sec 3.281
BTU foot-lbs 778.16 meters/sec/sec kms/hr/sec 3.6
BTU gram-calories 252 meters/sec/sec miles/hr/sec 2.237
BTU horsepower-hrs 3.931 x 10-4 meter-kilograms cm-dynes 9.807 x 107
BTU joules 1,054.8 meter-kilograms cm-grams 105
BTU kilogram-calories 0.2520 meter-kilograms pound-feet 7.233
BTU kilogram-meters 107.58 microns inches 39.37 x 10-6
BTU kilowatt-hrs 2.928 x 10-4 microns meters 1 x 10-6
BTU/hr foot-pounds/sec 0.2162 miles (naut.) miles (statute) 1.1516
BTU/hr gram-cal/sec 0.0700 miles (naut.) yards 202.54
BTU/hr horsepower-hrs 3.929 x 10-4 miles (statute) centimeters 1.6093 x 105
BTU/hr watts 0.2931 miles (statute) feet 5,280
BTU/min foot-pounds/sec 12.96 miles (statute) kilometers 1.6093
BTU/min horsepower 0.02356 miles (statute) meters 1,609.3
BTU/min kilowatts 0.01757 miles (statute) miles (naut.) 0.8684
BTU/min watts 17.57 miles/hr cms/sec 44.7
BTU/sq ft/min watts/sq in. 0.1221 miles/hr feet/min 88
      miles/hr feet/sec 1.467
 

C

  miles/hr kms/hr 1.6093

calories, gram (mean)

BTU (mean) 3.9685 x 10-3 miles/hr kms/min 0.02682
centares (centiares) sq meters 1.0 miles/hr knots 0.8684
centigrade fahrenheit (oC x 9/5) +32 miles/hr meters/min 26.82
centigrams grams 0.01 miles/hr/sec cms/sec/sec 44.70
centiliter ounce fluid (US) 0.3382 miles/hr/sec feet/sec/sec 1.467
centiliter cubic inch 0.6103 miles/hr/sec kms/hr/sec 1.6093
centiliter drams 2.705 miles/hr/sec meters/sec/sec 0.4470
centiliters liters 0.01 miles/min cms/sec 2,682
centimeters feet 3.281 x 10-2 miles/min feet/sec 88
centimeters inches 0.3937 miles/min kms/min 1.6093
centimeters kilometers 1 x 10-5 miles/min knots/min 0.8684
centimeters meters 0.01 miles/min miles/hr 60
centimeters miles 6.214 x 10-6 mil-feet cu inches 9.425 x 10-6
centimeters mils 393.7 millibar pascal (Pa) 100
centimeters yards 1.094 x 10-2 millimetre of mercury (0oC) pascal (Pa) 133.3
centimeter-dynes cm-grams 1.020 x 10-3 millicrons meters 1 x 10-9
centimeter-dynes meter-kgs 1.020 x 10-8 milligrams grains 0.01543236
centimeter-dynes pound-feet 7.376 x 10-8 milligrams grams 0.001
centimeter-grams cm-dynes 980.7 milligrams/liter parts/million 1
centimeter-grams meter-kgs 1 x 10-5 milliliters liters 0.001
centimeter-grams pound-feet 7.233 x 10-5 millimeters centimeters 0.1
centimeters of mercury atmospheres 0.01316 millimeters feet 3.281 x 10-3
centimeters of mercury feet of water 0.4461 millimeters inches 0.03937
centimeters of mercury kgs/sq meter 136 millimeters kilometers 1 x 10-6
centimeters of mercury (0oC) pascal (Pa) 1.333 x 103 millimeters meters 0.001
centimeters of mercury pounds/sq ft 27.85 millimeters miles 6.214 x 10-7
centimeters of mercury pounds/sq in. 0.1934 millimeters mils 39.37
centimeters of water (4oC) pascal (Pa) 98.06 millimeters yards 1.094 x 10-3
centimeters/sec miles/hr 0.02237 million gals/day cu ft/sec 1.54723
centimeters/sec miles/min 3.728 x 10-4 mils centimeters 2.540 x 10-3
centimeters/sec/sec feet/sec/sec 0.03281 mils inches 0.001
centimeters/sec/sec kms/hr/sec 0.036 mils kilometers 2.540 x 10-8
centimeters/sec/sec meters/sec/sec 0.01 minutes (angles) degrees 0.01667
centimeters/sec/sec miles/hr/sec 0.02237 minutes (angles) quadrants 1.852 x 10-4
centipoise pascal-second (Pa s) 1 x 10-3 minutes (angles) radians 2.909 x 10-4
centistokes metre2/second (m2/s) 1 x 10-6 minutes (angles) seconds 60
circular mils sq cms 5.067 x 10-6      
circular mils sq mils 0.7854  

N

 
circular mils sq inches 7.854 x 10-7 newton dynes 105
circumference radians 6.283      
coulombs faradays 1.036 x 10-5  

O

 
coulombs/sq cm coulombs/sq in. 6.452 ohms megohms 1 x 10-6
coulombs/sq cm coulombs/sq meter 1 x 104 ohms microhms 106
coulombs/sq in. coulombs/sq meter 1,550 ounces drams 16
coulombs/sq meter coulombs/sq cm 1 x 10-4 ounces grains 437.5
coulombs/sq meter coulombs/sq in. 6.452 x 10-4 ounces grams 28.349527
cubic centimeters cu feet 3.531 x 10-5 ounces pounds 0.0625
cubic centimeters cu inches 0.06102 ounces ounces (troy) 0.9115
cubic centimeters cu meters 1 x 10-6 ounces tons (long) 2.790 x 10-5
cubic centimeters cu yards 1.308 x 10-6 ounces tons (metric) 2.835 x 10-5
cubic centimeters gallons (U.S. liq.) 2.642 x 10-4 ounce-force (avoirdupois) newton (N) 2.78 x 10-1
cubic centimeters liters 0.001 ounce-force-inch newton-metre (N m) 7.06 x 10-3
cubic centimeters quarts (U.S. liq.) 1.057 x 10-3 ounces (fluid) cu inches 1.805
cubic feet bushels (dry) 0.8036 ounces (fluid) liters 0.02957
cubic feet cu cms 28,320 ounces (troy) grains 480
cubic feet cu inches 1,728 ounces (troy) grams 31.103481
cubic feet cu meters 0.02832 ounces (troy) ounces (avdp.) 1.09714
cubic feet cu yards 0.03704 ounces (troy) pennyweights (troy) 20
cubic feet gallons (U.S. liq.) 7.48052 ounces (troy) pounds (troy) 0.08333
cubic feet liters 28.32 ounce/sq. inch dynes/sq cm 4309
cubic feet quarts (U.S. liq.) 29.92 ounces/sq. in. pounds/sq in. 0.0625
cubic feet/min cu cms/sec 472      
cubic feet/min gallons/sec 0.1247  

P

 
cubic feet/min liters/sec 0.4720 parts/million grains/U.S. gal 0.0584
cubic feet/min pounds of water/min 62.4283 parts/million grains/Imp. gal 0.07016
cubic inches cu cms 16.39 parts/million pounds/million gal 8.345
cubic inches cu feet 5.787 x 10-4 pascal (Pa) atmosphere (normal - 760torr) 9.87 x 10-4
cubic inches cu meters 1.639 x 10-5 pascal (Pa) bar 1 x 10-5
cubic inches cu yards 2.143 x 10-5 pascal (Pa) centimetre of mercury (0oC) 7.5 x 10-4
cubic inches gallons 4.329 x 10-3 pascal (Pa) centimetre of water (4oC) 1.02 x 10-2
cubic inches liters 0.01639 pascal (Pa) dyne/centimetre2 10
cubic inches quarts (U.S. liq.) 0.01732 pascal (Pa) foot of water (39.2oF) 3.35 x 10-4
cubic meters bushels (dry) 28.38 pascal (Pa) gram-force/centimetre2 1.02 x 10-2
cubic meters cu cms 106 pascal (Pa) inch of mecury (60oF) 2.96 x 10-4
cubic meters cu feet 35.31 pascal (Pa) inch of water (60oF) 4.02 x 10-3
cubic meters cu inches 61,023 pascal (Pa) kilogram/metre2 1.02 x 10-1
cubic meters cu yards 1.308 pascal (Pa) millibar 1 x 10-2
cubic meters gallons (U.S. liq.) 264.2 pascal (Pa) pound/foot2 2.088 x 10-2
cubic meters liters 1,000 pascal (Pa) pound/inch2 1.45 x 10-4
cubic meters quarts (U.S. liq.) 1,057 pennyweights (troy) grains 24
cubic yards cu cms 7.646 x 105 pennyweights (troy) ounces (troy) 0.05
cubic yards cu feet 27 pennyweights (troy) grams 1.55517
cubic yards cu meters 0.7646 pennyweights (troy) pounds (troy) 4.1667 x 10-3
cubic yards gallons (U.S. liq.) 202 pints (dry) cu inches 33.6
cubic yards liters 764.6 pints (liq.) cu feet 0.01671
cubic yards quarts (U.S. liq.) 807.9 pints (liq.) cu inches 28.87
cubic yards/min cubic ft/sec 0.45 pints (liq.) cu meters 4.732 x 10-4
cubic yards/min gallons/sec 3.367 pints (liq.) cu yards 6.189 x 10-4
cubic yards/min liters/sec 12.74 pints (liq.) liters 0.4732
      pints (liq.) quarts (liq.) 0.5
 

D

  poise gram/cm.-sec. 1
days (mean solar) years 2.737806 x 10-3 pounds (avoirdupois) ounces (troy) 14.5833
days (mean solar) seconds 86,400 poundals dynes 13,826
decibar pascal (Pa) 104 poundals grams 14.10
degree (angle) radian (rad) 1.745 x 10-2 poundals joules/cm 1.383 x 10-3
degrees (angle) quadrants 0.01111 poundals joules/meter (newtons) 0.1383
degrees (angle) seconds 3,600 poundals pounds 0.03108
degrees/sec radians/sec 0.01745 pounds drams 256
degrees/sec revolutions/min 0.1667 pounds dynes 44.4823 x 104
degrees/sec revolutions/sec 2.778 x 10-3 pounds grains 7,000
degree Celsius kelvin (K) tok = toc + 273.15 pounds grams 453.5924
degree centigrade same as celsius   pounds joules/cm 0.04448
degree Fahrenheit degree Celsius toc = (tof -32)/1.8 pounds joules/meter (newtons) 4.448
degree Fahrenheit kelvin (K) tok = (tof + 459.67)/1.8 pounds kilograms 0.4536
dyne/sq cm erg./sq. millimeter 0.01 pounds ounces 16
dyne/sq cm atmospheres 9.869 x 10-7 pounds ounces (troy) 14.5833
dyne/sq cm inch of mercury at 0oC 2.953 x 10-5 pounds poundals 32.17
dyne/sq cm inch of water at 4oC 4.015 x 10-4 pounds pounds (troy) 1.21528
dynes/sq cm bars 10-6 pounds tons (short) 0.0005
dynes grams 1.020 x 10-3 pounds (troy) grains 5,760
dyne/sq cm joules/cm 10-7 pounds (troy) grams 373.24177
dyne/sq cm joules/meter (newtons) 10-5 pounds (troy) ounces (avdp.) 13.1667
dyne/sq cm kilograms 1.020 x 10-6 pounds (troy) ounces (troy) 12
dyne/sq cm poundals 7.233 x 10-5 pounds (troy) pounds (avdp.) 0.822857
dyne/sq cm pounds 2.248 x 10-6 pounds (troy) tons (long) 3.6735 x 10-4
      pounds (troy) tons (metric) 3.7324 x 10-4
 

E

  pounds (troy) tons (short) 4.1143 x 10-4
erg/sec dyne-cm/sec 1.000 pounds of water cu feet 0.01602
ergs BTU 9.486 x 10-11 pounds of water cu inches 27.68
ergs dyne-centimeters 1.0 pounds of water gallons 0.1198
ergs foot-pounds 7.376 x 10-8 pounds of water/min cu ft/sec 2.670 x 10-4
ergs gram-calories 0.2389 x 10-7 pound-feet cm-dynes 1.356 x 107
ergs gram-cms 1.020 x 10-3 pound-feet cm-grams 13,825
ergs horsepowers-hrs 3.7250 x 10-14 pound-feet meter-kgs 0.1383
ergs joules 10-7 pounds/cu ft grams/cu cm 0.01602
ergs kg-calories 2.389 x 10-11 pounds/cu ft kgs/cu meter 16.02
ergs kg-meters 1.020 x 10-8 pounds/cu ft pounds/cu in. 5.787 x 10-4
ergs kilowatt-hrs 0.2773 x 10-13 pounds/cu in. grams/cu cm 27.68
ergs watt-hours 0.2773 x 10-10 pounds/cu in. kgs/cu meter 2.768 x 104
ergs/sec BTU/min 5.688 x 10-9 pounds/cu in. pounds/cu ft 1,728
ergs/sec ft-lbs/min 4.426 x 10-6 pounds/ft kgs/meter 1.488
ergs/sec ft-lbs/sec 7.3756 x 10-8 pounds/in. grams/cm 178.6
ergs/sec horsepower 1.341 x 10-10 pounds/mil-foot grams/cu cm 2.306 x 106
ergs/sec kg-calories/min 1.433 x 10-9 pounds/sq ft atmospheres 4.725 x 10-4
ergs/sec kilowatts 1 x 10-10 pounds/sq ft feet of water 0.01602
      pounds/sq ft inches of mercury 0.01414
 

F

  pounds/sq ft kgs/sq meter 4.882
farads microfarads 106 pounds/sq ft pounds/sq in. 6.944 x 10-3
faraday/sec ampere (absolute) 9.6500 x 104 pounds/sq in. atmospheres 0.06804
faradays coulombs 9.649 x 104 pounds/sq in. feet of water 2.307
fathom meter 1.828804 pounds/sq in. inches of mercury 2.036
fathoms feet 6 pounds/sq in. kgs/sq meter 703.1
feet centimeters 30.48 pounds/sq in. pascal (Pa) 6.895 x 103
feet kilometers 3.048 x 10-4 pounds/sq in. pounds/sq ft 144.0
feet meters 0.3048      
feet miles (naut.) 1.645 x 10-4  

Q

 
feet miles (stat.) 1.894 x 10-4 quadrants (angle) degrees 90
feet millimeters 304.8 quadrants (angle) minutes 5,400
feet of water atmospheres 0.02950 quadrants (angle) radians 1.571
feet of water in. of mercury 0.8826 quadrants (angle) seconds 3.24 x 105
feet of water kgs/sq cm 0.03048 quarts (dry) cu inches 67.20
feet of water kgs/sq meter 304.8 quarts (liq.) cu feet 0.03342
feet of water pounds/sq ft 62.4283 quarts (liq.) cu inches 57.75
feet of water pounds/sq in. 0.4335 quarts (liq.) cu meters 9.464 x 10-4
feet/min cms/sec 0.5080 quarts (liq.) cu yards 1.238 x 10-3
feet/min kms/hr 0.01829 quarts (liq.) liters 0.9463
feet/min meters/min 0.3048 quarts (liq.) gallons 0.25
feet/min miles/hr 0.01136      
feet/sec cms/sec 30.48  

R

 
feet/sec kms/hr 1.097 radians degrees 57.296
feet/sec knots 0.5921 radians minutes 3,438
feet/sec meters/min 18.29 radians quadrants 0.6366
feet/sec miles/hr 0.6818 radians seconds 2.063 x 105
feet/sec miles/min 0.01136 radians/sec degrees/sec 57.296
feet/sec/sec cms/sec/sec 30.48 radians/sec revolutions/sec 0.1592
feet/sec/sec kms/hr/sec 10.97 radians/sec/sec revs/min/min 572.96
feet/sec/sec meters/sec/sec 0.3048 radians/sec/sec revs/min/sec 9.549
feet/sec/sec miles/hr/sec 0.6818 radians/sec/sec revs/sec/sec 0.1592
feet/100 feet percent grade 1 revolutions degrees 360
foot-candle lumen/sq meter 10.764 revolutions quadrants 4
foot-pounds BTU 1.286 x 10-3 revolutions radians 6.283
foot-pounds ergs 1.356 x 107 revolutions/min degrees/sec 6
foot-pounds gram-calories 0.3241 revolutions/min radians/sec 0.1047
foot-pounds hp-hrs 5.050 x 10-7 revolutions/min/min radians/sec/sec 1.745 x 10-3
foot-pounds joules 1.356 revolutions/min/min revs/min/sec 0.01667
foot-pounds kg-calories 3.241 x 10-4 revolutions/min/min revs/sec/sec 2.778 x 10-4
foot-pounds kilowatt-hrs 3.766 x 10-7 revolutions/sec degrees/sec 360
foot-pounds/min BTU/min 1.286 x 10-3 revolutions/sec raidians/sec 6.283
foot-pounds/min foot-pounds/sec

0.01667

revolutions/sec revs/min 60
foot-pounds/min horsepower 3.030 x 10-5 revolutions/sec/sec radians/sec/sec 6.283
foot-pounds/min kg-calories/min 3.241 x 10-4 revolutions/sec/sec revs/min/min 3,600
foot-pounds/min kilowatts 2.260 x 10-5 revolutions/sec/sec revs/min/sec 60
foot-pounds/sec BTU/hr 4.6263 rod meters 5.029
foot-pounds/sec BTU/min 0.07717 rods (surveyors' meas.) yards 5.5
foot-pounds/sec horsepower 1.818 x 10-3 rods feet 16.5
foot-pounds/sec kg-calories/min 0.01945      
foot-pounds/sec kilowatts 1.356 x 10-3  

S

 
      seconds (angle) degrees 2.778 x 10-4
 

G

  seconds (angle) minutes 0.01667
gallons cu cms 3,785 seconds (angle) quadrants 3.087 x 10-6
gallons cu feet 0.1337 seconds (angle) radians 4.848 x 10-6
gallons cu inches 231 slug kilogram 14.59
gallons cu meters 3.785 x 10-3 slug pounds 32.17
gallons cu yards 4.951 x 10-3 sphere (solid angle) steradians 12.57
gallons liters 3.785 square centimeters circular mils 1.973 x 105
gallons (Imp. liq.) gallons (U.S. liq.) 1.20095 square centimeters sq feet 1.076 x 10-3
gallons (U.S. liq.) gallons (Imp.liq.) 0.83267 square centimeters sq inches 0.1550
gallons of water pounds of water 8.34547 square centimeters sq meters 0.0001
gallons/min cu ft/sec 2.228 x 10-3 square centimeters sq millimeters 100
gallons/min liters/sec 0.06308 square centiemters sq yards 1.196 x 10-4
gallons/min cu ft/hr 8.0208 square feet acres 2.296 x 10-5
gausses webers/sq in. 6.452 x 10-8 square feet sq inches 144
gausses webers/sq meter 1 x 10-4 square feet sq meters 0.0929
grams dynes 980.7 square feet sq miles 3.587 x 10-8
grams grains (troy) 15.43 square feet sq millimeters 9.290 x 104
grams joules/cm 9.807 x 10-5 square inches circular mils 1.273 x 106
grams joules/meter (newtons) 9.807 x 10-3 square inches sq cms 6.452
grams

kilograms

0.001 square inches sq feet 6.944 x 10-3
grams milligrams 1,000 square inches sq millimeters 645.2
grams ounces (avdp) 0.03527 square inches sq mils 106
grams ounces (troy) 0.03215 square inches sq yards 7.716 x 10-4
grams pounds 2.205 x 10-3 square kilometers sq cms 1010
grams/cm pounds/inch 5.600 x 10-3 square kilometers sq ft 10.76 x 106
grams/cu cm pouncs/cu ft 62.43 square kilometers sq inches 1.550 x 109
grams/cu cm pounds/cu in. 0.03613 square kilometers sq meters 106
grams/cu cm pounds/mil-foot 3.405 x 10-7 square kilometers sq miles 0.3861
grams/liter grains/gal 58.417 square kilometers sq yards 1.196 x 106
grams/liter pounds/1,000 gal 8.345 square meters acres 2.471 x 10-4
grams/liter pounds/cu ft 0.062427 square meters sq cms 104
grams/liter parts/million 1,000 square meters sq feet 10.76
grams/sq cm pounds/sq ft 2.0481 square meters sq miles 3.861 x 10-7
gram-calories BTU 3.9683 x 10-3 square meters sq millimeters 106
gram-calories ergs 4.1868 x 107 square meters sq yards 1.196
gram-calories foot-pounds 3.0860 square miles acres 640
gram-calories horsepower-hrs 1.5596 x 10-6 square miles sq feet 27.88 x 106
gram-calories kilowatt-hrs 1.1630 x 10-6 square miles sq meters 2.590 x 106
gram-calories watt-hrs 1.1630 x 10-3 square miles sq yards 3.098 x 106
gram-calories/sec BTU/hr 14.286 square millimeters sq cms 0.01
gram-centimeters BTU 9.297 x 10-8 square millimeters sq feet 1.076 x 10-5
gram-centimeters ergs 980.7 square millimeters sq inches 1.550 x 10-3
gram-centimeters joules 9.807 x 10-5 square mils circular mils 1.273
gram-centimeters kg-cal 2.343 x 10-8 square mils sq cms 6.452 x 10-6
gram-centimeters kg-meters 10-5 square mils sq inches 1 x 10-6
      square yards acres 2.066 x 10-4
 

H

  square yards sq cms 8,361
horsepower BTU/min 42.44 square yards sq feet 9
horsepower foot-lbs/min 33,000 square yards sq inches 1,296
horsepower foot-lbs/sec 550 square yards sq meters 0.8361

horsepower (metric) (542.5 ft lb/sec)

horsepower (550 ft lb/sec) 0.9863 steres liters 9.99973 x 102

horesepower (550 ft lb/sec)

horsepower (metric) (542.5 ft lb/sec) 1.014      
horsepower kg-calories/min 10.68  

T

 
horsepower (550 ft lbf/s) watt (W) 745.7 temperature (oC) + 273.15 absolute temperature (oK) 1
horsepower (boiler) watt (W) 9809.5 temperature (oC) + 17.78 temperature (oF) 1.8
horsepower (electric) watt (W) 746 temperature (oF) + 459.67 absolute temperature (oR) 1
horsepower (metric) watt (W) 735.5 temperature (oF) - 32 temerature (oC) 5/9
horsepower (water) watt (W) 746.04 tons (long) kilograms 1,016
horsepower (U.K.) watt (W) 745.7 tons (long) pounds 2,240
horsepower-hrs BTU 2,547 tons (long) tons (short) 1.120
horsepower-hrs ergs 2.6845 x 1013 tons (metric) kilograms 1,000
horsepower-hrs foot-lbs 1.98 x 106 tons (metric) pounds 2,205
horsepower-hrs gram-calories 641,190 tons (short) kilograms 907.1848
horsepower-hrs joules 2.684 x 106 tons (short) ounces 32,000
horsepower-hrs kg-calories 641.7 tons (short) ounces (troy) 29,166.66
horsepower-hrs kg-meters 2.737 x 105 tons (short) pounds 2,000
horsepower-hrs kilowatt-hrs 0.7457 tons (short) pounds (troy) 2,430.56
hundredweights (long) pounds 112 tons (short) tons (long) 0.89287
hundredweights (long) tons (long) 0.05 tons (short) tons (metric) 0.9078
hundredweights (short) ounces (avoirdupois) 1600 tons (short)/sq ft kgs/sq meter 9,765
hundredweights (short) pounds 100 tons (short)/sq ft pounds/sq in. 13.888
hundredweights (short) tons (metric) 0.0453592      
hundredweights (short) tons (long) 0.0446429  

V

 
      volt/inch volt/cm. 0.39370
 

I

       
inches centimeters 2.540  

W

 
inches meters 2.540 x 10-2 watts BTU/hr 3.4129
inches miles 1.578 x 10-5 watts BTU/min 0.05688
inches millimeters 2.540 watts ergs/sec 107
inches mils 1,000 watts foot-lbs/min 44.27
inches of mercury atmospheres 0.03342 watts foot-lbs/sec 0.7378
inches of mercury feet of water 1.133 watts horsepower 1.341 x 10-3
inches of mercury kgs/sq cm 0.03453 watts horsepower (metric) 1.360 x 10-3
inches of mercury kgs/sq meter 345.3 watts kg-calories/min 0.01433
inch of mercury (32oF) pascal (Pa) 3.386 x 103 watts kilowatts 1 x 10-3
inch of mercury (60oF) pascal (Pa) 3.38 x 103 watts (abs.) joules/sec 1
inches of mercury pounds/sq in. 0.4912 watt-hours BTU 3.413
inches of water (at 4oC) atmospheres 2.458 x 10-3 watt-hours ergs 3.60 x 1010
inches of water (at 4oC) inches of mercury 0.07355 watt-hours foot-pounds 2,656
inches of water (at 4oC) kgs/sq cm 2.540 x 10-3 watt-hours gram-calories 859.85
inches of water (at 4oC) ounces/sq in. 0.5781 watt-hours horsepower-hrs 1.341 x 10-3
inch of water (39.2oF) pascal (Pa) 2.491 x 102 watt-hours kilogram-calories 0.8605
inch of water (60oF) pascal (Pa) 2.488 x 102 watt-hours kilogram-meters 367.2
inches of water (at 4oC) pounds/sq in. 0.03613 watt-hours kilowatt-hrs 0.001
international volt joules (absolute) 1.59 x 10-19 watt (International) watt (abssolute) 1.000165
international volt joules 9.654 x 104 webers/sq in. gausses 1.550 x 107
      webers/sq in. webers/sq cm 0.1550
 

J

  webers/sq in. webers/sq meter 1,550
joules BTU 9.486 x 10-4 webers/sq meter gausses 104
joules ergs 107 webers/sq meter lines/sq in. 6.452 x 104
joules foot-pounds 0.73746 webers/sq meter webers/sq cm 10-4
joules kg-calories 2.389 x 104 webers/sq meter webers/sq in. 6.542 x 10-4
joules kg-meters 0.1020      
joules watt-hrs 2.778 x 10-4  

Y

 
joules/cm grams 1.020 x 104 yards centimeters 91.44
joules/cm dynes 107 yards kilometers 9.144 x 10-4
joules/cm joules/meter (newtons) 100 yards meters 0.9144
joules/cm poundals 723.3 yards miles (naut.) 4.934 x 10-4
joules/cm pounds 22.48 yards miles (stat.) 5.682 x 10-4
      yards millimeters 914.4
 

K

       
kelvin degree Celsius toc = tok - 273.15 INTO ...
TO CONVERT

kilograms dynes 980,665

DIVIDE BY
kilograms grams 1,000      
kilograms joules/cm 0.09807      
kilograms joules/meter (newtons) 9.807      
kilograms poundals 70.93      
kilograms pounds 2.2046      
kilograms tons (long) 9.842 x 10-4      
kilograms tons (short) 1.102 x 10-3      
kilograms/cu meter grams/cu cm 0.001      
kilograms/cu meter pounds/cu ft. 0.06243      
kilograms/cu meter pounds/cu in. 3.613 x 10-5      
kilograms/cu meter pounds/mil-foot 3.405 x 10-10      
kilograms/meter pounds/ft 0.6720      
kilograms/sq cm dynes/sq cm 980,665      
kilograms/sq cm atmospheres 0.9678      
kilograms/sq cm feet of water 32.81      
kilograms/sq cm inches of mercury 28.96      
kilograms/sq cm pounds/sq ft 2,048      
kilograms/sq cm pounds/sq in. 14.22      
kilograms/sq meter atmospheres 9.678 x 10-5      
kilograms/sq meter bars 98.07 x 10-4      
kilograms/sq meter feet of water 3.281 x 10-3      
kilograms/sq meter inches of mercury 2.896 x 10-3      
kilograms/sq meter pounds/sq ft 0.2048      
kilograms/sq meter pascal (Pa) 9.807      
kilograms/sq meter pounds/sq in. 1.422 x 10-3      
kilograms/sq mm kgs/sq meter 106      
kilogram-calories BTU 3.968      
kilogram-calories foot-pounds 3,086      
kilogram-calories hp-hrs 1.558 x 10-3      
kilogram-calories joules 4,183      
kilogram-calories kg-meters 426.9      
kilogram-calories kilojoules 4.186      
kilogram-calories kilowatt-hrs 1.163 x 10-3      
kilogram meters BTU 9.296 x 10-3      
kilogram meters ergs 9.807 x 107      
kilogram meters foot-pounds 7.233      
kilogram meters joules 9.807      
kilogram meters kg-calories 2.342 x 10-3      
kilogram meters kilowatt-hrs 2.723 x 10-6      
kilometers centimeters 105      
kilometers feet 3,281      
kilometers meters 1,000      
kilometers miles 0.6214      
kilometers millimeters 106      
kilometers yards 1,093.61      
kilometers/hr cms/sec 27.78      
kilometers/hr feet/min 54.68      
kilometers/hr feet/sec 0.9113      
kilometers/hr knots 0.5396      
kilometers/hr meters/min 16.67      
kilometers/hr miles/hr 0.6214      
kilometers/hr/sec cms/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-lbs/min 4.426 x 104      
kilowatts foot-lbs/sec 737.6      
kilowatts horsepower 1.341      
kilowatts kg-calories/min 14.34      
kilowatts watts 1,000      
kilowatt-hrs BTU 3,413      
kilowatt-hrs ergs 3.600 x 1013      
kilowatt-hrs foot-lbs 2.655 x 106      
kilowatt-hrs gram-calories 8,598.5      
kilowatt-hrs horsepower-hrs 1.341      
kilowatt-hrs joules 3.6 x 106      
kilowatt-hrs kg-calories 860.5      
kilowatt-hrs kg-meters 3.671 x 105      
kilowatt-hrs

pounds of water raised from 62o to 212oF

22.75      
knots feet/hr 6,080      
knots kilometers/hr 1.8532      
knots nautical miles/hr 1      
knots statute miles/hr 1.151      
knots feet/sec 1.689      
INTO ... TO CONVERT

DIVIDE BY