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One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere. The Btu (mean) uses a result averaged over water temperatures 0 to 100 °C (32.0 to 212.0 °F) which is approx. 1055.87 J
One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere. The Btu (15.6°C) equates to 1,054.68 J
| -20.000Btu (mean) | -20.023Btu (15.6°C) |
| -19.000Btu (mean) | -19.021Btu (15.6°C) |
| -18.000Btu (mean) | -18.020Btu (15.6°C) |
| -17.000Btu (mean) | -17.019Btu (15.6°C) |
| -16.000Btu (mean) | -16.018Btu (15.6°C) |
| -15.000Btu (mean) | -15.017Btu (15.6°C) |
| -14.000Btu (mean) | -14.016Btu (15.6°C) |
| -13.000Btu (mean) | -13.015Btu (15.6°C) |
| -12.000Btu (mean) | -12.014Btu (15.6°C) |
| -11.000Btu (mean) | -11.012Btu (15.6°C) |
| -10.000Btu (mean) | -10.011Btu (15.6°C) |
| -9.0000Btu (mean) | -9.0102Btu (15.6°C) |
| -8.0000Btu (mean) | -8.0090Btu (15.6°C) |
| -7.0000Btu (mean) | -7.0079Btu (15.6°C) |
| -6.0000Btu (mean) | -6.0068Btu (15.6°C) |
| -5.0000Btu (mean) | -5.0056Btu (15.6°C) |
| -4.0000Btu (mean) | -4.0045Btu (15.6°C) |
| -3.0000Btu (mean) | -3.0034Btu (15.6°C) |
| -2.0000Btu (mean) | -2.0023Btu (15.6°C) |
| -1.0000Btu (mean) | -1.0011Btu (15.6°C) |
| Btu (mean) | Btu (15.6°C) |
|---|---|
| 0.0000Btu (mean) | 0.0000Btu (15.6°C) |
| 1.0000Btu (mean) | 1.0011Btu (15.6°C) |
| 2.0000Btu (mean) | 2.0023Btu (15.6°C) |
| 3.0000Btu (mean) | 3.0034Btu (15.6°C) |
| 4.0000Btu (mean) | 4.0045Btu (15.6°C) |
| 5.0000Btu (mean) | 5.0056Btu (15.6°C) |
| 6.0000Btu (mean) | 6.0068Btu (15.6°C) |
| 7.0000Btu (mean) | 7.0079Btu (15.6°C) |
| 8.0000Btu (mean) | 8.0090Btu (15.6°C) |
| 9.0000Btu (mean) | 9.0102Btu (15.6°C) |
| 10.000Btu (mean) | 10.011Btu (15.6°C) |
| 11.000Btu (mean) | 11.012Btu (15.6°C) |
| 12.000Btu (mean) | 12.014Btu (15.6°C) |
| 13.000Btu (mean) | 13.015Btu (15.6°C) |
| 14.000Btu (mean) | 14.016Btu (15.6°C) |
| 15.000Btu (mean) | 15.017Btu (15.6°C) |
| 16.000Btu (mean) | 16.018Btu (15.6°C) |
| 17.000Btu (mean) | 17.019Btu (15.6°C) |
| 18.000Btu (mean) | 18.020Btu (15.6°C) |
| 19.000Btu (mean) | 19.021Btu (15.6°C) |
| Btu (mean) | Btu (15.6°C) |
|---|---|
| 20.000Btu (mean) | 20.023Btu (15.6°C) |
| 21.000Btu (mean) | 21.024Btu (15.6°C) |
| 22.000Btu (mean) | 22.025Btu (15.6°C) |
| 23.000Btu (mean) | 23.026Btu (15.6°C) |
| 24.000Btu (mean) | 24.027Btu (15.6°C) |
| 25.000Btu (mean) | 25.028Btu (15.6°C) |
| 26.000Btu (mean) | 26.029Btu (15.6°C) |
| 27.000Btu (mean) | 27.030Btu (15.6°C) |
| 28.000Btu (mean) | 28.032Btu (15.6°C) |
| 29.000Btu (mean) | 29.033Btu (15.6°C) |
| 30.000Btu (mean) | 30.034Btu (15.6°C) |
| 31.000Btu (mean) | 31.035Btu (15.6°C) |
| 32.000Btu (mean) | 32.036Btu (15.6°C) |
| 33.000Btu (mean) | 33.037Btu (15.6°C) |
| 34.000Btu (mean) | 34.038Btu (15.6°C) |
| 35.000Btu (mean) | 35.039Btu (15.6°C) |
| 36.000Btu (mean) | 36.041Btu (15.6°C) |
| 37.000Btu (mean) | 37.042Btu (15.6°C) |
| 38.000Btu (mean) | 38.043Btu (15.6°C) |
| 39.000Btu (mean) | 39.044Btu (15.6°C) |
| Btu (mean) | Btu (15.6°C) |
|---|---|
| 40.000Btu (mean) | 40.045Btu (15.6°C) |
| 41.000Btu (mean) | 41.046Btu (15.6°C) |
| 42.000Btu (mean) | 42.047Btu (15.6°C) |
| 43.000Btu (mean) | 43.049Btu (15.6°C) |
| 44.000Btu (mean) | 44.050Btu (15.6°C) |
| 45.000Btu (mean) | 45.051Btu (15.6°C) |
| 46.000Btu (mean) | 46.052Btu (15.6°C) |
| 47.000Btu (mean) | 47.053Btu (15.6°C) |
| 48.000Btu (mean) | 48.054Btu (15.6°C) |
| 49.000Btu (mean) | 49.055Btu (15.6°C) |
| 50.000Btu (mean) | 50.056Btu (15.6°C) |
| 51.000Btu (mean) | 51.058Btu (15.6°C) |
| 52.000Btu (mean) | 52.059Btu (15.6°C) |
| 53.000Btu (mean) | 53.060Btu (15.6°C) |
| 54.000Btu (mean) | 54.061Btu (15.6°C) |
| 55.000Btu (mean) | 55.062Btu (15.6°C) |
| 56.000Btu (mean) | 56.063Btu (15.6°C) |
| 57.000Btu (mean) | 57.064Btu (15.6°C) |
| 58.000Btu (mean) | 58.065Btu (15.6°C) |
| 59.000Btu (mean) | 59.067Btu (15.6°C) |
| 60.000Btu (mean) | 60.068Btu (15.6°C) |
| 61.000Btu (mean) | 61.069Btu (15.6°C) |
| 62.000Btu (mean) | 62.070Btu (15.6°C) |
| 63.000Btu (mean) | 63.071Btu (15.6°C) |
| 64.000Btu (mean) | 64.072Btu (15.6°C) |
| 65.000Btu (mean) | 65.073Btu (15.6°C) |
| 66.000Btu (mean) | 66.074Btu (15.6°C) |
| 67.000Btu (mean) | 67.076Btu (15.6°C) |
| 68.000Btu (mean) | 68.077Btu (15.6°C) |
| 69.000Btu (mean) | 69.078Btu (15.6°C) |
| 70.000Btu (mean) | 70.079Btu (15.6°C) |
| 71.000Btu (mean) | 71.080Btu (15.6°C) |
| 72.000Btu (mean) | 72.081Btu (15.6°C) |
| 73.000Btu (mean) | 73.082Btu (15.6°C) |
| 74.000Btu (mean) | 74.083Btu (15.6°C) |
| 75.000Btu (mean) | 75.085Btu (15.6°C) |
| 76.000Btu (mean) | 76.086Btu (15.6°C) |
| 77.000Btu (mean) | 77.087Btu (15.6°C) |
| 78.000Btu (mean) | 78.088Btu (15.6°C) |
| 79.000Btu (mean) | 79.089Btu (15.6°C) |