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UNITS CONVERSION TABLES
Overview
These conversion tables are provided for your reference.
Units Conversion Tables
Table 1 Multiples and Submultiples of SI Units
Table 2 Length Units
Table 3 Area Units
Table 4 Volume Units
Table 5 Mass Units
Table 6 Density Units
Table 7 Volumetric Liquid Flow Units
Table 8 Volumetric Gas Flow Units
Table 9 Mass Flow Units
Table 10 High Pressure Units
Table 11 Low Pressure Units
Table 12 Speed Units
Table 13 Torque Units
Table 14 Dynamic Viscosity Units
Table 15 Kinematic Viscosity Units
Table 16 Temperature Conversion Formulas
Table 1: Multiples and Submultiples of SI units
Prefix Symbol Multiplying Factor
exa E 1018
1 000 000 000 000 000 000
peta P 1015
1 000 000 000 000 000
tera T 1012
1 000 000 000 000
giga G 109
1 000 000 000
mega M 106
1 000 000
kilo k 103
1 000
hecto* h 102
100
deca* da 10 10
deci* d 10-1
0.1
centi c 10-2
0.01
milli m 10-3
0.001
micro u 10-6
0.000 001
nano n 10-9
0.000 000 001
pico p 10-12
0.000 000 000 001
femto f 10-15
0.000 000 000 000 001
atto a 10-18
0.000 000 000 000 000 001
* these prefixes are not normally used
Table 2: Length Units
Millimeters Centimeters Meters Kilometers Inches Feet Yards Miles
mm cm m km in ft yd mi
1 0.1 0.001 0.000001 0.03937 0.003281 0.001094 6.21e-07
10 1 0.01 0.00001 0.393701 0.032808 0.010936 0.000006
1000 100 1 0.001 39.37008 3.28084 1.093613 0.000621
1000000 100000 1000 1 39370.08 3280.84 1093.613 0.621371
25.4 2.54 0.0254 0.000025 1 0.083333 0.027778 0.000016
304.8 30.48 0.3048 0.000305 12 1 0.333333 0.000189
914.4 91.44 0.9144 0.000914 36 3 1 0.000568
1609344 160934.4 1609.344 1.609344 63360 5280 1760 1
Table 3: Area Units
Millimeter
square
Centimeter
square
Meter
square
Inch
square
Foot
square
Yard
square
mm2
cm2
m2
in2
ft2
yd2
1 0.01 0.000001 0.00155 0.000011 0.000001
100 1 0.0001 0.155 0.001076 0.00012
1000000 10000 1 1550.003 10.76391 1.19599
645.16 6.4516 0.000645 1 0.006944 0.000772
92903 929.0304 0.092903 144 1 0.111111
836127 8361.274 0.836127 1296 9 1
Table 4: Volume Units
Centimeter
cube
Meter
cube
Liter
Inch
cube
Foot
cube
US
gallons
Imperial
gallons
US barrel (oil)
cm3
m3
ltr in3
ft3
US gal Imp. gal US brl
1 0.000001 0.001 0.061024 0.000035 0.000264 0.00022 0.000006
1000000 1 1000 61024 35 264 220 6.29
1000 0.001 1 61 0.035 0.264201 0.22 0.00629
16.4 0.000016 0.016387 1 0.000579 0.004329 0.003605 0.000103
28317 0.028317 28.31685 1728 1 7.481333 6.229712 0.178127
3785 0.003785 3.79 231 0.13 1 0.832701 0.02381
4545 0.004545 4.55 277 0.16 1.20 1 0.028593
158970 0.15897 159 9701 6 42 35 1
Table 5: Mass Units
Grams Kilograms Metric tonnes Short ton Long ton Pounds Ounces
g kg tonne shton Lton lb oz
1 0.001 0.000001 0.000001 9.84e-07 0.002205 0.035273
1000 1 0.001 0.001102 0.000984 2.204586 35.27337
1000000 1000 1 1.102293 0.984252 2204.586 35273.37
907200 907.2 0.9072 1 0.892913 2000 32000
1016000 1016 1.016 1.119929 1 2239.859 35837.74
453.6 0.4536 0.000454 0.0005 0.000446 1 16
28 0.02835 0.000028 0.000031 0.000028 0.0625 1
Table 6: Density Units
Gram/milliliter Kilogram/meter cube Pound/foot cube Pound/inch cube
g/ml kg/m3
lb/ft3
lb/in3
1 1000 62.42197 0.036127
0.001 1 0.062422 0.000036
0.01602 16.02 1 0.000579
27.68 27680 1727.84 1
Table 7: Volumetric Liquid Flow Units
Liter/second Liter/minute
Meter
cube/hour
Foot
cube/minute
Foot
cube/hour
US
gallons/minute
US barrels
(oil)/day
L/sec L/min M3
/hr ft3
/min ft3
/hr gal/min US brl/d
1 60 3.6 2.119093 127.1197 15.85037 543.4783
0.016666 1 0.06 0.035317 2.118577 0.264162 9.057609
0.277778 16.6667 1 0.588637 35.31102 4.40288 150.9661
0.4719 28.31513 1.69884 1 60 7.479791 256.4674
0.007867 0.472015 0.02832 0.01667 1 0.124689 4.275326
0.06309 3.785551 0.227124 0.133694 8.019983 1 34.28804
0.00184 0.110404 0.006624 0.003899 0.2339 0.029165 1
Table 8: Volumetric Gas Flow Units
Normal meter cube/hour Standard cubic feet/hour Standard cubic feet/minute
Nm3
/hr scfh scfm
1 35.31073 0.588582
0.02832 1 0.016669
1.699 59.99294 1
Table 9: Mass Flow Units
Kilogram/hour Pound/hour Kilogram/second Ton/hour
kg/h lb/hour kg/s t/h
1 2.204586 0.000278 0.001
0.4536 1 0.000126 0.000454
3600 7936.508 1 3.6
1000 2204.586 0.277778 1
Table 10: High Pressure Units
Bar
Pound/square
inch
Kilopascal Megapascal
Kilogram
force/
centimeter
square
Millimeter
of mercury
Atmospheres
bar psi kPa MPa kgf/cm2
mm Hg atm
1 14.50326 100 0.1 1.01968 750.0188 0.987167
0.06895 1 6.895 0.006895 0.070307 51.71379 0.068065
0.01 0.1450 1 0.001 0.01020 7.5002 0.00987
10 145.03 1000 1 10.197 7500.2 9.8717
0.9807 14.22335 98.07 0.09807 1 735.5434 0.968115
0.001333 0.019337 0.13333 0.000133 0.00136 1 0.001316
1.013 14.69181 101.3 0.1013 1.032936 759.769 1
Table 11: Low Pressure Units
Meter of
water
Foot of
water
Centimeter of
mercury
Inches of
mercury
Inches of
water
Pascal
mH2O ftH2O cmHg inHg inH2O Pa
1 3.280696 7.356339 2.896043 39.36572 9806
0.304813 1 2.242311 0.882753 11.9992 2989
0.135937 0.445969 1 0.39368 5.351265 1333
0.345299 1.13282 2.540135 1 13.59293 3386
0.025403 0.083339 0.186872 0.073568 1 249.1
0.000102 0.000335 0.00075 0.000295 0.004014 1
Table 12: Speed Units
Meter/second Meter/minute Kilometer/hour Foot/second Foot/minute Miles/hour
m/s m/min km/h ft/s ft/min mi/h
1 59.988 3.599712 3.28084 196.8504 2.237136
0.01667 1 0.060007 0.054692 3.281496 0.037293
0.2778 16.66467 1 0.911417 54.68504 0.621477
0.3048 18.28434 1.097192 1 60 0.681879
0.00508 0.304739 0.018287 0.016667 1 0.011365
0.447 26.81464 1.609071 1.466535 87.99213 1
Table 13: Torque Units
Newton meter Kilogram force meter Foot pound Inch pound
Nm kgfm ftlb inlb
1 0.101972 0.737561 8.850732
9.80665 1 7.233003 86.79603
1.35582 0.138255 1 12
0.112985 0.011521 0.083333 1
Table 14: Dynamic Viscosity Units
Centipoise* Poise Pound/foot·second
cp poise lb/(ft·s)
1 0.01 0.000672
100 1 0.067197
1488.16 14.8816 1
Table 15: Kinematic Viscosity Units
Centistoke* Stoke Foot square/second
meter
square/second
cs St ft2
/s m2
/s
1 0.01 0.000011 0.000001
100 1 0.001076 0.0001
92903 929.03 1 0.092903
1000000 10000 10.76392 1
*note: centistokes x specific gravity = centipoise
Table 16: Temperature Conversion Formulas
Degree Celsius (°C) (°F - 32) x 5/9
(K - 273.15)
Degree Fahrenheit (°F) (°C x 9/5) + 32
(1.8 x K) - 459.67
Kelvin (K) (°C + 273.15)
(°F + 459.67) ÷ 1.8
November 2007

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Unit conversions-document

  • 1. UNITS CONVERSION TABLES Overview These conversion tables are provided for your reference. Units Conversion Tables Table 1 Multiples and Submultiples of SI Units Table 2 Length Units Table 3 Area Units Table 4 Volume Units Table 5 Mass Units Table 6 Density Units Table 7 Volumetric Liquid Flow Units Table 8 Volumetric Gas Flow Units Table 9 Mass Flow Units Table 10 High Pressure Units Table 11 Low Pressure Units Table 12 Speed Units Table 13 Torque Units Table 14 Dynamic Viscosity Units Table 15 Kinematic Viscosity Units Table 16 Temperature Conversion Formulas
  • 2. Table 1: Multiples and Submultiples of SI units Prefix Symbol Multiplying Factor exa E 1018 1 000 000 000 000 000 000 peta P 1015 1 000 000 000 000 000 tera T 1012 1 000 000 000 000 giga G 109 1 000 000 000 mega M 106 1 000 000 kilo k 103 1 000 hecto* h 102 100 deca* da 10 10 deci* d 10-1 0.1 centi c 10-2 0.01 milli m 10-3 0.001 micro u 10-6 0.000 001 nano n 10-9 0.000 000 001 pico p 10-12 0.000 000 000 001 femto f 10-15 0.000 000 000 000 001 atto a 10-18 0.000 000 000 000 000 001 * these prefixes are not normally used Table 2: Length Units Millimeters Centimeters Meters Kilometers Inches Feet Yards Miles mm cm m km in ft yd mi 1 0.1 0.001 0.000001 0.03937 0.003281 0.001094 6.21e-07 10 1 0.01 0.00001 0.393701 0.032808 0.010936 0.000006 1000 100 1 0.001 39.37008 3.28084 1.093613 0.000621 1000000 100000 1000 1 39370.08 3280.84 1093.613 0.621371 25.4 2.54 0.0254 0.000025 1 0.083333 0.027778 0.000016 304.8 30.48 0.3048 0.000305 12 1 0.333333 0.000189 914.4 91.44 0.9144 0.000914 36 3 1 0.000568 1609344 160934.4 1609.344 1.609344 63360 5280 1760 1 Table 3: Area Units Millimeter square Centimeter square Meter square Inch square Foot square Yard square mm2 cm2 m2 in2 ft2 yd2 1 0.01 0.000001 0.00155 0.000011 0.000001 100 1 0.0001 0.155 0.001076 0.00012 1000000 10000 1 1550.003 10.76391 1.19599 645.16 6.4516 0.000645 1 0.006944 0.000772 92903 929.0304 0.092903 144 1 0.111111 836127 8361.274 0.836127 1296 9 1
  • 3. Table 4: Volume Units Centimeter cube Meter cube Liter Inch cube Foot cube US gallons Imperial gallons US barrel (oil) cm3 m3 ltr in3 ft3 US gal Imp. gal US brl 1 0.000001 0.001 0.061024 0.000035 0.000264 0.00022 0.000006 1000000 1 1000 61024 35 264 220 6.29 1000 0.001 1 61 0.035 0.264201 0.22 0.00629 16.4 0.000016 0.016387 1 0.000579 0.004329 0.003605 0.000103 28317 0.028317 28.31685 1728 1 7.481333 6.229712 0.178127 3785 0.003785 3.79 231 0.13 1 0.832701 0.02381 4545 0.004545 4.55 277 0.16 1.20 1 0.028593 158970 0.15897 159 9701 6 42 35 1 Table 5: Mass Units Grams Kilograms Metric tonnes Short ton Long ton Pounds Ounces g kg tonne shton Lton lb oz 1 0.001 0.000001 0.000001 9.84e-07 0.002205 0.035273 1000 1 0.001 0.001102 0.000984 2.204586 35.27337 1000000 1000 1 1.102293 0.984252 2204.586 35273.37 907200 907.2 0.9072 1 0.892913 2000 32000 1016000 1016 1.016 1.119929 1 2239.859 35837.74 453.6 0.4536 0.000454 0.0005 0.000446 1 16 28 0.02835 0.000028 0.000031 0.000028 0.0625 1 Table 6: Density Units Gram/milliliter Kilogram/meter cube Pound/foot cube Pound/inch cube g/ml kg/m3 lb/ft3 lb/in3 1 1000 62.42197 0.036127 0.001 1 0.062422 0.000036 0.01602 16.02 1 0.000579 27.68 27680 1727.84 1 Table 7: Volumetric Liquid Flow Units Liter/second Liter/minute Meter cube/hour Foot cube/minute Foot cube/hour US gallons/minute US barrels (oil)/day L/sec L/min M3 /hr ft3 /min ft3 /hr gal/min US brl/d 1 60 3.6 2.119093 127.1197 15.85037 543.4783 0.016666 1 0.06 0.035317 2.118577 0.264162 9.057609 0.277778 16.6667 1 0.588637 35.31102 4.40288 150.9661 0.4719 28.31513 1.69884 1 60 7.479791 256.4674 0.007867 0.472015 0.02832 0.01667 1 0.124689 4.275326 0.06309 3.785551 0.227124 0.133694 8.019983 1 34.28804 0.00184 0.110404 0.006624 0.003899 0.2339 0.029165 1
  • 4. Table 8: Volumetric Gas Flow Units Normal meter cube/hour Standard cubic feet/hour Standard cubic feet/minute Nm3 /hr scfh scfm 1 35.31073 0.588582 0.02832 1 0.016669 1.699 59.99294 1 Table 9: Mass Flow Units Kilogram/hour Pound/hour Kilogram/second Ton/hour kg/h lb/hour kg/s t/h 1 2.204586 0.000278 0.001 0.4536 1 0.000126 0.000454 3600 7936.508 1 3.6 1000 2204.586 0.277778 1 Table 10: High Pressure Units Bar Pound/square inch Kilopascal Megapascal Kilogram force/ centimeter square Millimeter of mercury Atmospheres bar psi kPa MPa kgf/cm2 mm Hg atm 1 14.50326 100 0.1 1.01968 750.0188 0.987167 0.06895 1 6.895 0.006895 0.070307 51.71379 0.068065 0.01 0.1450 1 0.001 0.01020 7.5002 0.00987 10 145.03 1000 1 10.197 7500.2 9.8717 0.9807 14.22335 98.07 0.09807 1 735.5434 0.968115 0.001333 0.019337 0.13333 0.000133 0.00136 1 0.001316 1.013 14.69181 101.3 0.1013 1.032936 759.769 1 Table 11: Low Pressure Units Meter of water Foot of water Centimeter of mercury Inches of mercury Inches of water Pascal mH2O ftH2O cmHg inHg inH2O Pa 1 3.280696 7.356339 2.896043 39.36572 9806 0.304813 1 2.242311 0.882753 11.9992 2989 0.135937 0.445969 1 0.39368 5.351265 1333 0.345299 1.13282 2.540135 1 13.59293 3386 0.025403 0.083339 0.186872 0.073568 1 249.1 0.000102 0.000335 0.00075 0.000295 0.004014 1
  • 5. Table 12: Speed Units Meter/second Meter/minute Kilometer/hour Foot/second Foot/minute Miles/hour m/s m/min km/h ft/s ft/min mi/h 1 59.988 3.599712 3.28084 196.8504 2.237136 0.01667 1 0.060007 0.054692 3.281496 0.037293 0.2778 16.66467 1 0.911417 54.68504 0.621477 0.3048 18.28434 1.097192 1 60 0.681879 0.00508 0.304739 0.018287 0.016667 1 0.011365 0.447 26.81464 1.609071 1.466535 87.99213 1 Table 13: Torque Units Newton meter Kilogram force meter Foot pound Inch pound Nm kgfm ftlb inlb 1 0.101972 0.737561 8.850732 9.80665 1 7.233003 86.79603 1.35582 0.138255 1 12 0.112985 0.011521 0.083333 1 Table 14: Dynamic Viscosity Units Centipoise* Poise Pound/foot·second cp poise lb/(ft·s) 1 0.01 0.000672 100 1 0.067197 1488.16 14.8816 1 Table 15: Kinematic Viscosity Units Centistoke* Stoke Foot square/second meter square/second cs St ft2 /s m2 /s 1 0.01 0.000011 0.000001 100 1 0.001076 0.0001 92903 929.03 1 0.092903 1000000 10000 10.76392 1 *note: centistokes x specific gravity = centipoise Table 16: Temperature Conversion Formulas Degree Celsius (°C) (°F - 32) x 5/9 (K - 273.15) Degree Fahrenheit (°F) (°C x 9/5) + 32 (1.8 x K) - 459.67 Kelvin (K) (°C + 273.15) (°F + 459.67) ÷ 1.8 November 2007