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| 1 British Thermal Unit | to common energy units |
|---|---|
| 1 BTU | = 1055.056 joules (J) |
| 1 BTU | = 1.055056 kilojoules (kJ) |
| 1 BTU | = 252.16443594646 calories (cal) |
| 1 BTU | = 0.25216443594646 kilocalories (kcal) |
| 1 BTU | = 6.5851277634223E+21 electron volt (eV) |
| 1 BTU | = 0.29307111111111 watt hour (Wh) |
| 1 BTU | = 2.4199953024765E+20 atomic unit of energy (au) |
| 1 BTU | = 2.5216443594646E-7 tons of TNT (tTNT) |
| 1 BTU | = 778.16937096787 foot pound force (ft lbf) |
| 1 BTU | = 10550560000 ergs (ergs) |
| British Thermal Unit | to Calories IT (table conversion) |
|---|---|
| 1 BTU | = 251.99579631222 calIT |
| 2 BTU | = 503.99159262444 calIT |
| 3 BTU | = 755.98738893666 calIT |
| 4 BTU | = 1007.9831852489 calIT |
| 5 BTU | = 1259.9789815611 calIT |
| 6 BTU | = 1511.9747778733 calIT |
| 7 BTU | = 1763.9705741855 calIT |
| 8 BTU | = 2015.9663704978 calIT |
| 9 BTU | = 2267.96216681 calIT |
| 10 BTU | = 2519.9579631222 calIT |
| 20 BTU | = 5039.9159262444 calIT |
| 30 BTU | = 7559.8738893666 calIT |
| 40 BTU | = 10079.831852489 calIT |
| 50 BTU | = 12599.789815611 calIT |
| 60 BTU | = 15119.747778733 calIT |
| 70 BTU | = 17639.705741855 calIT |
| 80 BTU | = 20159.663704978 calIT |
| 90 BTU | = 22679.6216681 calIT |
| 100 BTU | = 25199.579631222 calIT |
| 200 BTU | = 50399.159262444 calIT |
| 300 BTU | = 75598.738893666 calIT |
| 400 BTU | = 100798.31852489 calIT |
| 500 BTU | = 125997.89815611 calIT |
| 600 BTU | = 151197.47778733 calIT |
| 700 BTU | = 176397.05741855 calIT |
| 800 BTU | = 201596.63704978 calIT |
| 900 BTU | = 226796.216681 calIT |
| 1000 BTU | = 251995.79631222 calIT |
| 2000 BTU | = 503991.59262444 calIT |
| 4000 BTU | = 1007983.1852489 calIT |
| 5000 BTU | = 1259978.9815611 calIT |
| 7500 BTU | = 1889968.4723416 calIT |
| 10000 BTU | = 2519957.9631222 calIT |
| 25000 BTU | = 6299894.9078055 calIT |
| 50000 BTU | = 12599789.815611 calIT |
| 100000 BTU | = 25199579.631222 calIT |
| 1000000 BTU | = 251995796.31222 calIT |
| 1000000000 BTU | = 251995796312.22 calIT |