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Appendix E
Conversion Factors for Units of Measure

Conversion to International System (SI) Units

To convert: to: multiply by:
curie (Ci) gigabecquerel (GBq) 37.00
degrees Fahrenheit (° F) degrees Celsius (° C) subtract 32° F and multiply by 5/9
feet meters (m) 0.304
gallons (U.S. liquid) liters (L) 3.785
inches millimeters (mm) 25.40
kilogram-force (kgf) newton (N) 9.807
ounces, fluid (U.S.) milliliters (ml) 29.57
pints (U.S.) litres (L) 0.473
pounds kilograms (kg) 0.453
pounds per square inch kilopascals (kPa) 6.895
quarts (U.S.) liters (L) 0.946

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Conversion From International System (SI) Units

To convert: to: multiply by:
degrees Celsius (° C) degrees Fahrenheit (° F) multiply by 9/5 and add 32° F
kilograms (kg) pounds 2.205
kilopascals (kPa) pounds per square inch 0.145
liters (L) gallons (U.S. liquid) 0.264
liters (L) pints (U.S.) 2.113
liters (L) quarts (U.S.) 1.057
meters (m) feet 3.281
milliliters (ml) ounces, fluid (U.S.) 0.033
millimeters (mm) inches 0.039
newton (N) kilogram-force (kgf) 0.1020
terabecquerel (TBq) curie (Ci) 27.03

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