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| 818400 British Thermal Unit ISO | to common energy units |
|---|---|
| 818400 BTUiso | = 863457830.4 joules (J) |
| 818400 BTUiso | = 863457.8304 kilojoules (kJ) |
| 818400 BTUiso | = 206371374.37859 calories (cal) |
| 818400 BTUiso | = 206371.37437859 kilocalories (kcal) |
| 818400 BTUiso | = 5.3892685615848E+27 electron volt (eV) |
| 818400 BTUiso | = 239849.39733333 watt hour (Wh) |
| 818400 BTUiso | = 1.9805241555467E+26 atomic unit of energy (au) |
| 818400 BTUiso | = 0.20637137437859 tons of TNT (tTNT) |
| 818400 BTUiso | = 636853813.20011 foot pound force (ft lbf) |
| 818400 BTUiso | = 8.634578304E+15 ergs (ergs) |