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| 513000000 British Thermal Unit IT | to common energy units |
|---|---|
| 513000000 BTUit | = 541243652394.06 joules (J) |
| 513000000 BTUit | = 541243652.39406 kilojoules (kJ) |
| 513000000 BTUit | = 129360337570.28 calories (cal) |
| 513000000 BTUit | = 129360337.57028 kilocalories (kcal) |
| 513000000 BTUit | = 3.3781700707415E+30 electron volt (eV) |
| 513000000 BTUit | = 150345458.99835 watt hour (Wh) |
| 513000000 BTUit | = 1.2414574167521E+29 atomic unit of energy (au) |
| 513000000 BTUit | = 129.36033757028 tons of TNT (tTNT) |
| 513000000 BTUit | = 399200831542.44 foot pound force (ft lbf) |
| 513000000 BTUit | = 5.4124365239406E+18 ergs (ergs) |