The foot-poundal (symbol: ft-pdl) is a
unit of
energy
Energy () is the physical quantity, quantitative physical property, property that is transferred to a physical body, body or to a physical system, recognizable in the performance of Work (thermodynamics), work and in the form of heat and l ...
, introduced in 1879, that is part of the
Absolute English system of units, which itself is a
coherent subsystem of the
foot–pound–second system.
[ Edward F. Obert, Thermodynamics, McGraw-Hill Book Co., 1948.]
The foot-poundal is equal to 1/32.174049 that of the more commonly used
foot-pound force.
Conversions
1 foot-poundal is equivalent to:
* 0.031081
ft•lbf
* 0.0421401100938048
J (exactly)
* 421401.100938048
erg (exactly)
* 0.0004
BTUIT
* 0.010065
calIT 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
*
Poundal
*
Foot-pound (energy)
The foot-pound force (symbol: ft⋅lbf, ft⋅lbf, or ft⋅lb ) is a unit of work or energy in the engineering and gravitational systems in United States customary and imperial units of measure. It is the energy transferred upon applying a ...
*
Pound-force
The pound of force or pound-force (symbol: lbf, sometimes lbf,) is a unit of force used in some systems of measurement, including English Engineering units and the foot–pound–second system.
Pound-force should not be confused with poun ...
*
Slug (unit)
*
Units of energy
Footnotes
{{Imperial units
Units of energy
Units of torque
Imperial units