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| 400000 British Thermal Unit Thermochemical | to common energy units |
|---|---|
| 400000 BTUth | = 421740105.776 joules (J) |
| 400000 BTUth | = 421740.105776 kilojoules (kJ) |
| 400000 BTUth | = 100798304.43977 calories (cal) |
| 400000 BTUth | = 100798.30443977 kilocalories (kcal) |
| 400000 BTUth | = 2.6322891671098E+27 electron volt (eV) |
| 400000 BTUth | = 117150.02938222 watt hour (Wh) |
| 400000 BTUth | = 9.6735061915562E+25 atomic unit of energy (au) |
| 400000 BTUth | = 0.10079830443977 tons of TNT (tTNT) |
| 400000 BTUth | = 311059538.85257 foot pound force (ft lbf) |
| 400000 BTUth | = 4.21740105776E+15 ergs (ergs) |