Btu (15.8°C, ISO)
One BTU is defined as the energy required at 1 atmosphere to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit. One Btu (15.8°C, ISO) equates to 1,054.5 J
Btu (15.8°C, ISO) to Btu (mean)
Format
Accuracy
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Btu (15.8°C, ISO) to Btu (mean) formula
Btu (mean) =
Btu (15.8°C, ISO) * 0.99870
Btu (15.8°C, ISO) to Btu (mean) formula
Btu (mean) =
Btu (15.8°C, ISO) * 0.99870
Btu (mean)
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
Btu (15.8°C, ISO) to Btu (mean) table
| -20.000Btu (15.8°C, ISO) | -19.974Btu (mean) |
| -19.000Btu (15.8°C, ISO) | -18.975Btu (mean) |
| -18.000Btu (15.8°C, ISO) | -17.977Btu (mean) |
| -17.000Btu (15.8°C, ISO) | -16.978Btu (mean) |
| -16.000Btu (15.8°C, ISO) | -15.979Btu (mean) |
| -15.000Btu (15.8°C, ISO) | -14.981Btu (mean) |
| -14.000Btu (15.8°C, ISO) | -13.982Btu (mean) |
| -13.000Btu (15.8°C, ISO) | -12.983Btu (mean) |
| -12.000Btu (15.8°C, ISO) | -11.984Btu (mean) |
| -11.000Btu (15.8°C, ISO) | -10.986Btu (mean) |
| -10.000Btu (15.8°C, ISO) | -9.9870Btu (mean) |
| -9.0000Btu (15.8°C, ISO) | -8.9883Btu (mean) |
| -8.0000Btu (15.8°C, ISO) | -7.9896Btu (mean) |
| -7.0000Btu (15.8°C, ISO) | -6.9909Btu (mean) |
| -6.0000Btu (15.8°C, ISO) | -5.9922Btu (mean) |
| -5.0000Btu (15.8°C, ISO) | -4.9935Btu (mean) |
| -4.0000Btu (15.8°C, ISO) | -3.9948Btu (mean) |
| -3.0000Btu (15.8°C, ISO) | -2.9961Btu (mean) |
| -2.0000Btu (15.8°C, ISO) | -1.9974Btu (mean) |
| -1.0000Btu (15.8°C, ISO) | -0.99870Btu (mean) |
| Btu (15.8°C, ISO) | Btu (mean) |
|---|---|
| 0.0000Btu (15.8°C, ISO) | 0.0000Btu (mean) |
| 1.0000Btu (15.8°C, ISO) | 0.99870Btu (mean) |
| 2.0000Btu (15.8°C, ISO) | 1.9974Btu (mean) |
| 3.0000Btu (15.8°C, ISO) | 2.9961Btu (mean) |
| 4.0000Btu (15.8°C, ISO) | 3.9948Btu (mean) |
| 5.0000Btu (15.8°C, ISO) | 4.9935Btu (mean) |
| 6.0000Btu (15.8°C, ISO) | 5.9922Btu (mean) |
| 7.0000Btu (15.8°C, ISO) | 6.9909Btu (mean) |
| 8.0000Btu (15.8°C, ISO) | 7.9896Btu (mean) |
| 9.0000Btu (15.8°C, ISO) | 8.9883Btu (mean) |
| 10.000Btu (15.8°C, ISO) | 9.9870Btu (mean) |
| 11.000Btu (15.8°C, ISO) | 10.986Btu (mean) |
| 12.000Btu (15.8°C, ISO) | 11.984Btu (mean) |
| 13.000Btu (15.8°C, ISO) | 12.983Btu (mean) |
| 14.000Btu (15.8°C, ISO) | 13.982Btu (mean) |
| 15.000Btu (15.8°C, ISO) | 14.981Btu (mean) |
| 16.000Btu (15.8°C, ISO) | 15.979Btu (mean) |
| 17.000Btu (15.8°C, ISO) | 16.978Btu (mean) |
| 18.000Btu (15.8°C, ISO) | 17.977Btu (mean) |
| 19.000Btu (15.8°C, ISO) | 18.975Btu (mean) |
| Btu (15.8°C, ISO) | Btu (mean) |
|---|---|
| 20.000Btu (15.8°C, ISO) | 19.974Btu (mean) |
| 21.000Btu (15.8°C, ISO) | 20.973Btu (mean) |
| 22.000Btu (15.8°C, ISO) | 21.971Btu (mean) |
| 23.000Btu (15.8°C, ISO) | 22.970Btu (mean) |
| 24.000Btu (15.8°C, ISO) | 23.969Btu (mean) |
| 25.000Btu (15.8°C, ISO) | 24.968Btu (mean) |
| 26.000Btu (15.8°C, ISO) | 25.966Btu (mean) |
| 27.000Btu (15.8°C, ISO) | 26.965Btu (mean) |
| 28.000Btu (15.8°C, ISO) | 27.964Btu (mean) |
| 29.000Btu (15.8°C, ISO) | 28.962Btu (mean) |
| 30.000Btu (15.8°C, ISO) | 29.961Btu (mean) |
| 31.000Btu (15.8°C, ISO) | 30.960Btu (mean) |
| 32.000Btu (15.8°C, ISO) | 31.958Btu (mean) |
| 33.000Btu (15.8°C, ISO) | 32.957Btu (mean) |
| 34.000Btu (15.8°C, ISO) | 33.956Btu (mean) |
| 35.000Btu (15.8°C, ISO) | 34.955Btu (mean) |
| 36.000Btu (15.8°C, ISO) | 35.953Btu (mean) |
| 37.000Btu (15.8°C, ISO) | 36.952Btu (mean) |
| 38.000Btu (15.8°C, ISO) | 37.951Btu (mean) |
| 39.000Btu (15.8°C, ISO) | 38.949Btu (mean) |
| Btu (15.8°C, ISO) | Btu (mean) |
|---|---|
| 40.000Btu (15.8°C, ISO) | 39.948Btu (mean) |
| 41.000Btu (15.8°C, ISO) | 40.947Btu (mean) |
| 42.000Btu (15.8°C, ISO) | 41.946Btu (mean) |
| 43.000Btu (15.8°C, ISO) | 42.944Btu (mean) |
| 44.000Btu (15.8°C, ISO) | 43.943Btu (mean) |
| 45.000Btu (15.8°C, ISO) | 44.942Btu (mean) |
| 46.000Btu (15.8°C, ISO) | 45.940Btu (mean) |
| 47.000Btu (15.8°C, ISO) | 46.939Btu (mean) |
| 48.000Btu (15.8°C, ISO) | 47.938Btu (mean) |
| 49.000Btu (15.8°C, ISO) | 48.936Btu (mean) |
| 50.000Btu (15.8°C, ISO) | 49.935Btu (mean) |
| 51.000Btu (15.8°C, ISO) | 50.934Btu (mean) |
| 52.000Btu (15.8°C, ISO) | 51.933Btu (mean) |
| 53.000Btu (15.8°C, ISO) | 52.931Btu (mean) |
| 54.000Btu (15.8°C, ISO) | 53.930Btu (mean) |
| 55.000Btu (15.8°C, ISO) | 54.929Btu (mean) |
| 56.000Btu (15.8°C, ISO) | 55.927Btu (mean) |
| 57.000Btu (15.8°C, ISO) | 56.926Btu (mean) |
| 58.000Btu (15.8°C, ISO) | 57.925Btu (mean) |
| 59.000Btu (15.8°C, ISO) | 58.923Btu (mean) |
| 60.000Btu (15.8°C, ISO) | 59.922Btu (mean) |
| 61.000Btu (15.8°C, ISO) | 60.921Btu (mean) |
| 62.000Btu (15.8°C, ISO) | 61.920Btu (mean) |
| 63.000Btu (15.8°C, ISO) | 62.918Btu (mean) |
| 64.000Btu (15.8°C, ISO) | 63.917Btu (mean) |
| 65.000Btu (15.8°C, ISO) | 64.916Btu (mean) |
| 66.000Btu (15.8°C, ISO) | 65.914Btu (mean) |
| 67.000Btu (15.8°C, ISO) | 66.913Btu (mean) |
| 68.000Btu (15.8°C, ISO) | 67.912Btu (mean) |
| 69.000Btu (15.8°C, ISO) | 68.910Btu (mean) |
| 70.000Btu (15.8°C, ISO) | 69.909Btu (mean) |
| 71.000Btu (15.8°C, ISO) | 70.908Btu (mean) |
| 72.000Btu (15.8°C, ISO) | 71.907Btu (mean) |
| 73.000Btu (15.8°C, ISO) | 72.905Btu (mean) |
| 74.000Btu (15.8°C, ISO) | 73.904Btu (mean) |
| 75.000Btu (15.8°C, ISO) | 74.903Btu (mean) |
| 76.000Btu (15.8°C, ISO) | 75.901Btu (mean) |
| 77.000Btu (15.8°C, ISO) | 76.900Btu (mean) |
| 78.000Btu (15.8°C, ISO) | 77.899Btu (mean) |
| 79.000Btu (15.8°C, ISO) | 78.897Btu (mean) |