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Conversion/Equivalency Factors

"I" Conversion/Equivalency Factors

Original Unit Multiplied
By
Conversion
Factor
Equals Final Unit
inches (in) x 2.54a = centimeters (cm)
inches (in) x 0.08 = feet (ft)
inches (in) x 0.02 = meters (m)
inches (in) x 1.578E–05 = miles (mi)
inches (in) x 25.40 = millimeters (mm)
inches (in) x 1,000 = mils
inches (in) x 0.02 = yards (yd)
inches of mercury x 0.03 = atmospheres of mercury
inches of mercury x 1.13 = feet of water
inches of mercury x 0.03 = kilograms/square centimeter
inches of mercury x 345.30 = kilograms/square meter
inches of mercury x 70.73 = pounds/square foot
inches of mercury x 0.49 = pounds/square inch
inches of water at 4 degrees Celsius (4°C) x 2.458E–03 = atmospheres
inches of water at 4 degrees Celsius (4°C) x 0.07 = inches of mercury
inches of water at 4 degrees Celsius (4°C) x 2.54E–03 = kilograms/square centimeter
inches of water at 4 degrees Celsius (4°C) x 0.57 = ounces/square inch
inches of water at 4 degrees Celsius (4°C) x 5.20 = pounds/square foot
inches of water at 4 degrees Celsius (4°C) x 0.03 = pounds/square inch
international amperes x 0.99 = amperes (absolute)
international volts x 1.59E–19 = joules (absolute)
international volts x 96,540 = joules (J)

a Exact conversion.

b Calculated by the Energy Information Administration.

c Estimated.

This table was last updated January 31, 2014.