foot pound-force per minute
Powerexact by definition
The foot pound-force per minute is exactly 1/60 of a foot pound-force per second, about 0.0225970 watts. It is the form in which James Watt originally stated the horsepower: 33,000 ft·lbf per minute, from a horse walking a mill circle.
| 1 | 0.022596966 |
Where the unit came from
Watt measured mill horses, rounded the result upward by his own account, and then had a commercial interest in the number being large, since he sold engines rated against it. The unit has outlived both the horses and the patents.
One foot pound-force per minute in every power unit
| 22,597,000 | nanowatt (nW) | |
| 225,970 | erg per second (erg/s) | |
| 22,597 | microwatt (μW) | |
| 22.597 | milliwatt (mW) | |
| 1 | foot pound-force per minute (ft·lbf/min)this unit | |
| 0.077104 | BTU per hour (BTU/h) | |
| 0.022597 | watt (W) | |
| 0.0194299 | kilocalorie per hour (kcal/h) | |
| 0.0166667 | foot pound-force per second (ft·lbf/s) | |
| 0.000077104 | thousand BTU per hour (MBH) | |
| 0.0000307233 | metric horsepower (PS) | |
| 0.000030303 | horsepower (mechanical) (hp) | |
| 0.0000302908 | electrical horsepower (hp (elec)) | |
| 0.000022597 | kilowatt (kW) | |
| 0.00000642534 | ton of refrigeration (ton) | |
| 0.00000230358 | boiler horsepower (bhp) | |
| 7.71040e-08 | million BTU per hour (MMBTU/h) | |
| 2.25970e-08 | megawatt (MW) | |
| 2.25970e-11 | gigawatt (GW) | |
| 2.25970e-14 | terawatt (TW) | |
| 5.90307e-29 | solar luminosity (Lsun) |
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