能量是执行工作的能力。它以各种形式存在，例如动力学，电势，热等。在焦耳（J）中测量。
1 ft·lb = 0.324 cal/s
1 cal/s = 3.086 ft·lb
例子:
将15 脚转换为每秒卡路里：
15 ft·lb = 4.861 cal/s
| 脚 | 每秒卡路里 |
|---|---|
| 0.01 ft·lb | 0.003 cal/s |
| 0.1 ft·lb | 0.032 cal/s |
| 1 ft·lb | 0.324 cal/s |
| 2 ft·lb | 0.648 cal/s |
| 3 ft·lb | 0.972 cal/s |
| 5 ft·lb | 1.62 cal/s |
| 10 ft·lb | 3.24 cal/s |
| 20 ft·lb | 6.481 cal/s |
| 30 ft·lb | 9.721 cal/s |
| 40 ft·lb | 12.962 cal/s |
| 50 ft·lb | 16.202 cal/s |
| 60 ft·lb | 19.443 cal/s |
| 70 ft·lb | 22.683 cal/s |
| 80 ft·lb | 25.924 cal/s |
| 90 ft·lb | 29.164 cal/s |
| 100 ft·lb | 32.405 cal/s |
| 250 ft·lb | 81.012 cal/s |
| 500 ft·lb | 162.024 cal/s |
| 750 ft·lb | 243.037 cal/s |
| 1000 ft·lb | 324.049 cal/s |
| 10000 ft·lb | 3,240.488 cal/s |
| 100000 ft·lb | 32,404.876 cal/s |
规则