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| 1 British Thermal Unit IT | to common energy units |
|---|---|
| 1 BTUit | = 1055.05585262 joules (J) |
| 1 BTUit | = 1.05505585262 kilojoules (kJ) |
| 1 BTUit | = 252.1644007218 calories (cal) |
| 1 BTUit | = 0.2521644007218 kilocalories (kcal) |
| 1 BTUit | = 6.5851268435507E+21 electron volt (eV) |
| 1 BTUit | = 0.29307107017222 watt hour (Wh) |
| 1 BTUit | = 2.4199949644291E+20 atomic unit of energy (au) |
| 1 BTUit | = 2.521644007218E-7 tons of TNT (tTNT) |
| 1 BTUit | = 778.16926226596 foot pound force (ft lbf) |
| 1 BTUit | = 10550558526.2 ergs (ergs) |
| British Thermal Unit IT | to Large Calories (table conversion) |
|---|---|
| 1 BTUit | = 0.2521644007218 Cal |
| 2 BTUit | = 0.50432880144359 Cal |
| 3 BTUit | = 0.75649320216539 Cal |
| 4 BTUit | = 1.0086576028872 Cal |
| 5 BTUit | = 1.260822003609 Cal |
| 6 BTUit | = 1.5129864043308 Cal |
| 7 BTUit | = 1.7651508050526 Cal |
| 8 BTUit | = 2.0173152057744 Cal |
| 9 BTUit | = 2.2694796064962 Cal |
| 10 BTUit | = 2.521644007218 Cal |
| 20 BTUit | = 5.0432880144359 Cal |
| 30 BTUit | = 7.5649320216539 Cal |
| 40 BTUit | = 10.086576028872 Cal |
| 50 BTUit | = 12.60822003609 Cal |
| 60 BTUit | = 15.129864043308 Cal |
| 70 BTUit | = 17.651508050526 Cal |
| 80 BTUit | = 20.173152057744 Cal |
| 90 BTUit | = 22.694796064962 Cal |
| 100 BTUit | = 25.21644007218 Cal |
| 200 BTUit | = 50.432880144359 Cal |
| 300 BTUit | = 75.649320216539 Cal |
| 400 BTUit | = 100.86576028872 Cal |
| 500 BTUit | = 126.0822003609 Cal |
| 600 BTUit | = 151.29864043308 Cal |
| 700 BTUit | = 176.51508050526 Cal |
| 800 BTUit | = 201.73152057744 Cal |
| 900 BTUit | = 226.94796064962 Cal |
| 1000 BTUit | = 252.1644007218 Cal |
| 2000 BTUit | = 504.32880144359 Cal |
| 4000 BTUit | = 1008.6576028872 Cal |
| 5000 BTUit | = 1260.822003609 Cal |
| 7500 BTUit | = 1891.2330054135 Cal |
| 10000 BTUit | = 2521.644007218 Cal |
| 25000 BTUit | = 6304.1100180449 Cal |
| 50000 BTUit | = 12608.22003609 Cal |
| 100000 BTUit | = 25216.44007218 Cal |
| 1000000 BTUit | = 252164.4007218 Cal |
| 1000000000 BTUit | = 252164400.7218 Cal |