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| 810000000 British Thermal Unit ISO | to common energy units |
|---|---|
| 810000000 BTUiso | = 854595360000 joules (J) |
| 810000000 BTUiso | = 854595360 kilojoules (kJ) |
| 810000000 BTUiso | = 204253193116.63 calories (cal) |
| 810000000 BTUiso | = 204253193.11663 kilocalories (kcal) |
| 810000000 BTUiso | = 5.3339534883721E+30 electron volt (eV) |
| 810000000 BTUiso | = 237387600 watt hour (Wh) |
| 810000000 BTUiso | = 1.9601961950059E+29 atomic unit of energy (au) |
| 810000000 BTUiso | = 204.25319311663 tons of TNT (tTNT) |
| 810000000 BTUiso | = 630317190483.98 foot pound force (ft lbf) |
| 810000000 BTUiso | = 8.5459536E+18 ergs (ergs) |