| 1 ftlb | = 0.0012855273637501 BTU60°F |
| 2 ftlb | = 0.0025710547275003 BTU60°F |
| 3 ftlb | = 0.0038565820912504 BTU60°F |
| 4 ftlb | = 0.0051421094550006 BTU60°F |
| 5 ftlb | = 0.0064276368187507 BTU60°F |
| 6 ftlb | = 0.0077131641825009 BTU60°F |
| 7 ftlb | = 0.008998691546251 BTU60°F |
| 8 ftlb | = 0.010284218910001 BTU60°F |
| 9 ftlb | = 0.011569746273751 BTU60°F |
| 10 ftlb | = 0.012855273637501 BTU60°F |
| 20 ftlb | = 0.025710547275003 BTU60°F |
| 30 ftlb | = 0.038565820912504 BTU60°F |
| 40 ftlb | = 0.051421094550006 BTU60°F |
| 50 ftlb | = 0.064276368187507 BTU60°F |
| 60 ftlb | = 0.077131641825009 BTU60°F |
| 70 ftlb | = 0.08998691546251 BTU60°F |
| 80 ftlb | = 0.10284218910001 BTU60°F |
| 90 ftlb | = 0.11569746273751 BTU60°F |
| 100 ftlb | = 0.12855273637501 BTU60°F |
| 200 ftlb | = 0.25710547275003 BTU60°F |
| 300 ftlb | = 0.38565820912504 BTU60°F |
| 400 ftlb | = 0.51421094550006 BTU60°F |
| 500 ftlb | = 0.64276368187507 BTU60°F |
| 600 ftlb | = 0.77131641825009 BTU60°F |
| 700 ftlb | = 0.8998691546251 BTU60°F |
| 800 ftlb | = 1.0284218910001 BTU60°F |
| 900 ftlb | = 1.1569746273751 BTU60°F |
| 1000 ftlb | = 1.2855273637501 BTU60°F |
| 2000 ftlb | = 2.5710547275003 BTU60°F |
| 4000 ftlb | = 5.1421094550006 BTU60°F |
| 5000 ftlb | = 6.4276368187507 BTU60°F |
| 7500 ftlb | = 9.6414552281261 BTU60°F |
| 10000 ftlb | = 12.855273637501 BTU60°F |
| 25000 ftlb | = 32.138184093754 BTU60°F |
| 50000 ftlb | = 64.276368187507 BTU60°F |
| 100000 ftlb | = 128.55273637501 BTU60°F |
| 1000000 ftlb | = 1285.5273637501 BTU60°F |
| 1000000000 ftlb | = 1285527.3637501 BTU60°F |