Calories (15°C,CIPM, 1950)
The International Committee for Weights and Measures have defined one cal15 is the ammount of heat energy needed to raise the temperature of 1g of water from 14.5°C to 15.5°C
Calories (15°C,CIPM, 1950) to Btu (mean)
Format
Accuracy
Note: Fractional results are rounded to the nearest 1/64. For a more accurate answer please select 'decimal' from the options above the result.
Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.
Note: For a pure decimal result please select 'decimal' from the options above the result.
Calories (15°C,CIPM, 1950) to Btu (mean) formula
Btu (mean) =
cal15 * 0.0039640
Calories (15°C,CIPM, 1950) to Btu (mean) formula
Btu (mean) =
cal15 * 0.0039640
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
Calories (15 °C, CIPM, 1950) to Btu (mean) table
| -20.000cal15 | -0.079281Btu (mean) |
| -19.000cal15 | -0.075317Btu (mean) |
| -18.000cal15 | -0.071353Btu (mean) |
| -17.000cal15 | -0.067389Btu (mean) |
| -16.000cal15 | -0.063424Btu (mean) |
| -15.000cal15 | -0.059460Btu (mean) |
| -14.000cal15 | -0.055496Btu (mean) |
| -13.000cal15 | -0.051532Btu (mean) |
| -12.000cal15 | -0.047568Btu (mean) |
| -11.000cal15 | -0.043604Btu (mean) |
| -10.000cal15 | -0.039640Btu (mean) |
| -9.0000cal15 | -0.035676Btu (mean) |
| -8.0000cal15 | -0.031712Btu (mean) |
| -7.0000cal15 | -0.027748Btu (mean) |
| -6.0000cal15 | -0.023784Btu (mean) |
| -5.0000cal15 | -0.019820Btu (mean) |
| -4.0000cal15 | -0.015856Btu (mean) |
| -3.0000cal15 | -0.011892Btu (mean) |
| -2.0000cal15 | -0.0079281Btu (mean) |
| -1.0000cal15 | -0.0039640Btu (mean) |
| Calories (15°C,CIPM, 1950) | Btu (mean) |
|---|---|
| 0.0000cal15 | 0.0000Btu (mean) |
| 1.0000cal15 | 0.0039640Btu (mean) |
| 2.0000cal15 | 0.0079281Btu (mean) |
| 3.0000cal15 | 0.011892Btu (mean) |
| 4.0000cal15 | 0.015856Btu (mean) |
| 5.0000cal15 | 0.019820Btu (mean) |
| 6.0000cal15 | 0.023784Btu (mean) |
| 7.0000cal15 | 0.027748Btu (mean) |
| 8.0000cal15 | 0.031712Btu (mean) |
| 9.0000cal15 | 0.035676Btu (mean) |
| 10.000cal15 | 0.039640Btu (mean) |
| 11.000cal15 | 0.043604Btu (mean) |
| 12.000cal15 | 0.047568Btu (mean) |
| 13.000cal15 | 0.051532Btu (mean) |
| 14.000cal15 | 0.055496Btu (mean) |
| 15.000cal15 | 0.059460Btu (mean) |
| 16.000cal15 | 0.063424Btu (mean) |
| 17.000cal15 | 0.067389Btu (mean) |
| 18.000cal15 | 0.071353Btu (mean) |
| 19.000cal15 | 0.075317Btu (mean) |
| Calories (15°C,CIPM, 1950) | Btu (mean) |
|---|---|
| 20.000cal15 | 0.079281Btu (mean) |
| 21.000cal15 | 0.083245Btu (mean) |
| 22.000cal15 | 0.087209Btu (mean) |
| 23.000cal15 | 0.091173Btu (mean) |
| 24.000cal15 | 0.095137Btu (mean) |
| 25.000cal15 | 0.099101Btu (mean) |
| 26.000cal15 | 0.10306Btu (mean) |
| 27.000cal15 | 0.10703Btu (mean) |
| 28.000cal15 | 0.11099Btu (mean) |
| 29.000cal15 | 0.11496Btu (mean) |
| 30.000cal15 | 0.11892Btu (mean) |
| 31.000cal15 | 0.12288Btu (mean) |
| 32.000cal15 | 0.12685Btu (mean) |
| 33.000cal15 | 0.13081Btu (mean) |
| 34.000cal15 | 0.13478Btu (mean) |
| 35.000cal15 | 0.13874Btu (mean) |
| 36.000cal15 | 0.14271Btu (mean) |
| 37.000cal15 | 0.14667Btu (mean) |
| 38.000cal15 | 0.15063Btu (mean) |
| 39.000cal15 | 0.15460Btu (mean) |
| Calories (15°C,CIPM, 1950) | Btu (mean) |
|---|---|
| 40.000cal15 | 0.15856Btu (mean) |
| 41.000cal15 | 0.16253Btu (mean) |
| 42.000cal15 | 0.16649Btu (mean) |
| 43.000cal15 | 0.17045Btu (mean) |
| 44.000cal15 | 0.17442Btu (mean) |
| 45.000cal15 | 0.17838Btu (mean) |
| 46.000cal15 | 0.18235Btu (mean) |
| 47.000cal15 | 0.18631Btu (mean) |
| 48.000cal15 | 0.19027Btu (mean) |
| 49.000cal15 | 0.19424Btu (mean) |
| 50.000cal15 | 0.19820Btu (mean) |
| 51.000cal15 | 0.20217Btu (mean) |
| 52.000cal15 | 0.20613Btu (mean) |
| 53.000cal15 | 0.21009Btu (mean) |
| 54.000cal15 | 0.21406Btu (mean) |
| 55.000cal15 | 0.21802Btu (mean) |
| 56.000cal15 | 0.22199Btu (mean) |
| 57.000cal15 | 0.22595Btu (mean) |
| 58.000cal15 | 0.22991Btu (mean) |
| 59.000cal15 | 0.23388Btu (mean) |
| 60.000cal15 | 0.23784Btu (mean) |
| 61.000cal15 | 0.24181Btu (mean) |
| 62.000cal15 | 0.24577Btu (mean) |
| 63.000cal15 | 0.24973Btu (mean) |
| 64.000cal15 | 0.25370Btu (mean) |
| 65.000cal15 | 0.25766Btu (mean) |
| 66.000cal15 | 0.26163Btu (mean) |
| 67.000cal15 | 0.26559Btu (mean) |
| 68.000cal15 | 0.26955Btu (mean) |
| 69.000cal15 | 0.27352Btu (mean) |
| 70.000cal15 | 0.27748Btu (mean) |
| 71.000cal15 | 0.28145Btu (mean) |
| 72.000cal15 | 0.28541Btu (mean) |
| 73.000cal15 | 0.28937Btu (mean) |
| 74.000cal15 | 0.29334Btu (mean) |
| 75.000cal15 | 0.29730Btu (mean) |
| 76.000cal15 | 0.30127Btu (mean) |
| 77.000cal15 | 0.30523Btu (mean) |
| 78.000cal15 | 0.30919Btu (mean) |
| 79.000cal15 | 0.31316Btu (mean) |