Convert BTU per Minute to Foot-Pounds per Minute
Convert BTU per Minute (BTU/min) to Foot-Pounds per Minute (ft⋅lbf/min) instantly and accurately.
Conversion Formula
ft⋅lbf/min = BTU/min × 778.1692623
About BTU per Minute
One BTU per minute (BTU/min) ≈ 17.58 W. Fire engineering uses BTU/min for heat release rate (HRR): a burning sofa releases 500-5,000 BTU/min; a flashover room fire 50,000-500,000 BTU/min. US commercial gas burners are rated 500-2,000 BTU/min. NFPA fire suppression standards use BTU/min to match sprinkler flow to HRR. Industrial furnace heating cycles also use this unit. 1 BTU/min = 17.584 W.
About Foot-Pounds per Minute
One foot-pound per minute (ft·lbf/min) ≈ 0.02260 W. Its historical importance is large: James Watt rated mill horses at ~33,000 ft·lbf/min sustained output and defined 1 mechanical horsepower as exactly 33,000 ft·lbf/min (= 550 ft·lbf/s). The unit is still used for machine-tool power, hydraulic pump output, and low-speed actuator performance in US customary calculations: torque (ft·lbf) × RPM = power in ft·lbf/min. 1 hp = 33,000 ft·lbf/min.
Quick Reference Table
| BTU per Minute (BTU/min) | Foot-Pounds per Minute (ft⋅lbf/min) |
|---|---|
| 1 BTU/min | 778.169 ft⋅lbf/min |
| 2 BTU/min | 1556.34 ft⋅lbf/min |
| 5 BTU/min | 3890.85 ft⋅lbf/min |
| 10 BTU/min | 7781.69 ft⋅lbf/min |
| 25 BTU/min | 19454.2 ft⋅lbf/min |
| 50 BTU/min | 38908.5 ft⋅lbf/min |
| 100 BTU/min | 77816.9 ft⋅lbf/min |