| 1 BTUth | = 0.99497981866053 BTU39°F |
| 2 BTUth | = 1.9899596373211 BTU39°F |
| 3 BTUth | = 2.9849394559816 BTU39°F |
| 4 BTUth | = 3.9799192746421 BTU39°F |
| 5 BTUth | = 4.9748990933026 BTU39°F |
| 6 BTUth | = 5.9698789119632 BTU39°F |
| 7 BTUth | = 6.9648587306237 BTU39°F |
| 8 BTUth | = 7.9598385492842 BTU39°F |
| 9 BTUth | = 8.9548183679447 BTU39°F |
| 10 BTUth | = 9.9497981866053 BTU39°F |
| 20 BTUth | = 19.899596373211 BTU39°F |
| 30 BTUth | = 29.849394559816 BTU39°F |
| 40 BTUth | = 39.799192746421 BTU39°F |
| 50 BTUth | = 49.748990933026 BTU39°F |
| 60 BTUth | = 59.698789119632 BTU39°F |
| 70 BTUth | = 69.648587306237 BTU39°F |
| 80 BTUth | = 79.598385492842 BTU39°F |
| 90 BTUth | = 89.548183679447 BTU39°F |
| 100 BTUth | = 99.497981866053 BTU39°F |
| 200 BTUth | = 198.99596373211 BTU39°F |
| 300 BTUth | = 298.49394559816 BTU39°F |
| 400 BTUth | = 397.99192746421 BTU39°F |
| 500 BTUth | = 497.48990933026 BTU39°F |
| 600 BTUth | = 596.98789119632 BTU39°F |
| 700 BTUth | = 696.48587306237 BTU39°F |
| 800 BTUth | = 795.98385492842 BTU39°F |
| 900 BTUth | = 895.48183679447 BTU39°F |
| 1000 BTUth | = 994.97981866053 BTU39°F |
| 2000 BTUth | = 1989.9596373211 BTU39°F |
| 4000 BTUth | = 3979.9192746421 BTU39°F |
| 5000 BTUth | = 4974.8990933026 BTU39°F |
| 7500 BTUth | = 7462.3486399539 BTU39°F |
| 10000 BTUth | = 9949.7981866053 BTU39°F |
| 25000 BTUth | = 24874.495466513 BTU39°F |
| 50000 BTUth | = 49748.990933026 BTU39°F |
| 100000 BTUth | = 99497.981866053 BTU39°F |
| 1000000 BTUth | = 994979.81866053 BTU39°F |
| 1000000000 BTUth | = 994979818.66053 BTU39°F |