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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 British Thermal Unit Thermochemical (table conversion) |
|---|---|
| 1 BTU | = 1.0006693558904 BTUth |
| 2 BTU | = 2.0013387117807 BTUth |
| 3 BTU | = 3.0020080676711 BTUth |
| 4 BTU | = 4.0026774235614 BTUth |
| 5 BTU | = 5.0033467794518 BTUth |
| 6 BTU | = 6.0040161353421 BTUth |
| 7 BTU | = 7.0046854912325 BTUth |
| 8 BTU | = 8.0053548471228 BTUth |
| 9 BTU | = 9.0060242030132 BTUth |
| 10 BTU | = 10.006693558904 BTUth |
| 20 BTU | = 20.013387117807 BTUth |
| 30 BTU | = 30.020080676711 BTUth |
| 40 BTU | = 40.026774235614 BTUth |
| 50 BTU | = 50.033467794518 BTUth |
| 60 BTU | = 60.040161353421 BTUth |
| 70 BTU | = 70.046854912325 BTUth |
| 80 BTU | = 80.053548471228 BTUth |
| 90 BTU | = 90.060242030132 BTUth |
| 100 BTU | = 100.06693558904 BTUth |
| 200 BTU | = 200.13387117807 BTUth |
| 300 BTU | = 300.20080676711 BTUth |
| 400 BTU | = 400.26774235614 BTUth |
| 500 BTU | = 500.33467794518 BTUth |
| 600 BTU | = 600.40161353421 BTUth |
| 700 BTU | = 700.46854912325 BTUth |
| 800 BTU | = 800.53548471228 BTUth |
| 900 BTU | = 900.60242030132 BTUth |
| 1000 BTU | = 1000.6693558904 BTUth |
| 2000 BTU | = 2001.3387117807 BTUth |
| 4000 BTU | = 4002.6774235614 BTUth |
| 5000 BTU | = 5003.3467794518 BTUth |
| 7500 BTU | = 7505.0201691777 BTUth |
| 10000 BTU | = 10006.693558904 BTUth |
| 25000 BTU | = 25016.733897259 BTUth |
| 50000 BTU | = 50033.467794518 BTUth |
| 100000 BTU | = 100066.93558904 BTUth |
| 1000000 BTU | = 1000669.3558904 BTUth |
| 1000000000 BTU | = 1000669355.8904 BTUth |