| 1 in lbf | = 0.00010662265519229 BTU39°F |
| 2 in lbf | = 0.00021324531038459 BTU39°F |
| 3 in lbf | = 0.00031986796557688 BTU39°F |
| 4 in lbf | = 0.00042649062076917 BTU39°F |
| 5 in lbf | = 0.00053311327596146 BTU39°F |
| 6 in lbf | = 0.00063973593115376 BTU39°F |
| 7 in lbf | = 0.00074635858634605 BTU39°F |
| 8 in lbf | = 0.00085298124153834 BTU39°F |
| 9 in lbf | = 0.00095960389673063 BTU39°F |
| 10 in lbf | = 0.0010662265519229 BTU39°F |
| 20 in lbf | = 0.0021324531038459 BTU39°F |
| 30 in lbf | = 0.0031986796557688 BTU39°F |
| 40 in lbf | = 0.0042649062076917 BTU39°F |
| 50 in lbf | = 0.0053311327596146 BTU39°F |
| 60 in lbf | = 0.0063973593115376 BTU39°F |
| 70 in lbf | = 0.0074635858634605 BTU39°F |
| 80 in lbf | = 0.0085298124153834 BTU39°F |
| 90 in lbf | = 0.0095960389673063 BTU39°F |
| 100 in lbf | = 0.010662265519229 BTU39°F |
| 200 in lbf | = 0.021324531038459 BTU39°F |
| 300 in lbf | = 0.031986796557688 BTU39°F |
| 400 in lbf | = 0.042649062076917 BTU39°F |
| 500 in lbf | = 0.053311327596146 BTU39°F |
| 600 in lbf | = 0.063973593115376 BTU39°F |
| 700 in lbf | = 0.074635858634605 BTU39°F |
| 800 in lbf | = 0.085298124153834 BTU39°F |
| 900 in lbf | = 0.095960389673063 BTU39°F |
| 1000 in lbf | = 0.10662265519229 BTU39°F |
| 2000 in lbf | = 0.21324531038459 BTU39°F |
| 4000 in lbf | = 0.42649062076917 BTU39°F |
| 5000 in lbf | = 0.53311327596146 BTU39°F |
| 7500 in lbf | = 0.79966991394219 BTU39°F |
| 10000 in lbf | = 1.0662265519229 BTU39°F |
| 25000 in lbf | = 2.6655663798073 BTU39°F |
| 50000 in lbf | = 5.3311327596146 BTU39°F |
| 100000 in lbf | = 10.662265519229 BTU39°F |
| 1000000 in lbf | = 106.62265519229 BTU39°F |
| 1000000000 in lbf | = 106622.65519229 BTU39°F |