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One Joule is 1 Newton Metre, ie the work done or energy transfered to an object when a one Newton force acts on it over one metre. It can also be defined as the heat energy dissipated by a current of one ampere passing through a one Ohm resistor for one second
One BTU is the energy required to warm 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at one atmosphere. The Btu (3.9°C) uses the calorie value of water at the temperature of its maximum density
| Joules | Btu (3.9°C) |
|---|---|
| 0J | 0.00Btu (3.9°C) |
| 1J | 0.00Btu (3.9°C) |
| 2J | 0.00Btu (3.9°C) |
| 3J | 0.00Btu (3.9°C) |
| 4J | 0.00Btu (3.9°C) |
| 5J | 0.00Btu (3.9°C) |
| 6J | 0.01Btu (3.9°C) |
| 7J | 0.01Btu (3.9°C) |
| 8J | 0.01Btu (3.9°C) |
| 9J | 0.01Btu (3.9°C) |
| 10J | 0.01Btu (3.9°C) |
| 11J | 0.01Btu (3.9°C) |
| 12J | 0.01Btu (3.9°C) |
| 13J | 0.01Btu (3.9°C) |
| 14J | 0.01Btu (3.9°C) |
| 15J | 0.01Btu (3.9°C) |
| 16J | 0.02Btu (3.9°C) |
| 17J | 0.02Btu (3.9°C) |
| 18J | 0.02Btu (3.9°C) |
| 19J | 0.02Btu (3.9°C) |
| Joules | Btu (3.9°C) |
|---|---|
| 20J | 0.02Btu (3.9°C) |
| 21J | 0.02Btu (3.9°C) |
| 22J | 0.02Btu (3.9°C) |
| 23J | 0.02Btu (3.9°C) |
| 24J | 0.02Btu (3.9°C) |
| 25J | 0.02Btu (3.9°C) |
| 26J | 0.02Btu (3.9°C) |
| 27J | 0.03Btu (3.9°C) |
| 28J | 0.03Btu (3.9°C) |
| 29J | 0.03Btu (3.9°C) |
| 30J | 0.03Btu (3.9°C) |
| 31J | 0.03Btu (3.9°C) |
| 32J | 0.03Btu (3.9°C) |
| 33J | 0.03Btu (3.9°C) |
| 34J | 0.03Btu (3.9°C) |
| 35J | 0.03Btu (3.9°C) |
| 36J | 0.03Btu (3.9°C) |
| 37J | 0.03Btu (3.9°C) |
| 38J | 0.04Btu (3.9°C) |
| 39J | 0.04Btu (3.9°C) |
| Joules | Btu (3.9°C) |
|---|---|
| 40J | 0.04Btu (3.9°C) |
| 41J | 0.04Btu (3.9°C) |
| 42J | 0.04Btu (3.9°C) |
| 43J | 0.04Btu (3.9°C) |
| 44J | 0.04Btu (3.9°C) |
| 45J | 0.04Btu (3.9°C) |
| 46J | 0.04Btu (3.9°C) |
| 47J | 0.04Btu (3.9°C) |
| 48J | 0.05Btu (3.9°C) |
| 49J | 0.05Btu (3.9°C) |
| 50J | 0.05Btu (3.9°C) |
| 51J | 0.05Btu (3.9°C) |
| 52J | 0.05Btu (3.9°C) |
| 53J | 0.05Btu (3.9°C) |
| 54J | 0.05Btu (3.9°C) |
| 55J | 0.05Btu (3.9°C) |
| 56J | 0.05Btu (3.9°C) |
| 57J | 0.05Btu (3.9°C) |
| 58J | 0.05Btu (3.9°C) |
| 59J | 0.06Btu (3.9°C) |