# Foot-poundal

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The **foot-poundal** (symbol: **ft-pdl**) is a unit of energy that is part of the foot-pound-second system of units, in Imperial units introduced in 1879, and is from the specialized subsystem of English Absolut^{[1]} (a coherent system).

The foot-poundal is equal to 1/32.174049 that of the more commonly used foot-pound force.

## Conversions[edit]

1 foot-poundal is equivalent to:

- 0.031081 ft•lb
_{f} - 0.0421401100938048 J (exactly)
- 421401.100938048 erg (exactly)
- 0.0004 BTU
_{IT} - 0.010065 cal
_{IT}or 0.000 010 65 "food calorie" (kcal or Cal) - 0.37297 inch-pound force (in•lb
_{f}) - 5.96752 inch-ounce force (in•oz
_{f})

## See also[edit]

## Footnotes[edit]

**^**Edward F. Obert, Thermodynamics, McGraw-Hill Book Co., 1948.