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| 1281000000 British Thermal Unit ISO | to common energy units |
|---|---|
| 1281000000 BTUiso | = 1351526736000 joules (J) |
| 1281000000 BTUiso | = 1351526736 kilojoules (kJ) |
| 1281000000 BTUiso | = 323022642447.42 calories (cal) |
| 1281000000 BTUiso | = 323022642.44742 kilocalories (kcal) |
| 1281000000 BTUiso | = 8.435548664944E+30 electron volt (eV) |
| 1281000000 BTUiso | = 375424093.33333 watt hour (Wh) |
| 1281000000 BTUiso | = 3.1000139824724E+29 atomic unit of energy (au) |
| 1281000000 BTUiso | = 323.02264244742 tons of TNT (tTNT) |
| 1281000000 BTUiso | = 996834964209.85 foot pound force (ft lbf) |
| 1281000000 BTUiso | = 1.351526736E+19 ergs (ergs) |