功率是完成工作或能量转移的速度。它以瓦（w）为单位进行测量。
1 ft·lb/s = 0 hp(S)
1 hp(S) = 7,235.105 ft·lb/s
例子:
将15 每秒英尺转换为锅炉马力：
15 ft·lb/s = 0.002 hp(S)
| 每秒英尺 | 锅炉马力 |
|---|---|
| 0.01 ft·lb/s | 1.3821e-6 hp(S) |
| 0.1 ft·lb/s | 1.3821e-5 hp(S) |
| 1 ft·lb/s | 0 hp(S) |
| 2 ft·lb/s | 0 hp(S) |
| 3 ft·lb/s | 0 hp(S) |
| 5 ft·lb/s | 0.001 hp(S) |
| 10 ft·lb/s | 0.001 hp(S) |
| 20 ft·lb/s | 0.003 hp(S) |
| 30 ft·lb/s | 0.004 hp(S) |
| 40 ft·lb/s | 0.006 hp(S) |
| 50 ft·lb/s | 0.007 hp(S) |
| 60 ft·lb/s | 0.008 hp(S) |
| 70 ft·lb/s | 0.01 hp(S) |
| 80 ft·lb/s | 0.011 hp(S) |
| 90 ft·lb/s | 0.012 hp(S) |
| 100 ft·lb/s | 0.014 hp(S) |
| 250 ft·lb/s | 0.035 hp(S) |
| 500 ft·lb/s | 0.069 hp(S) |
| 750 ft·lb/s | 0.104 hp(S) |
| 1000 ft·lb/s | 0.138 hp(S) |
| 10000 ft·lb/s | 1.382 hp(S) |
| 100000 ft·lb/s | 13.821 hp(S) |
规则