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| 1 British Thermal Unit | to common energy units |
|---|---|
| 1 BTU | = 1055.056 joules (J) |
| 1 BTU | = 1.055056 kilojoules (kJ) |
| 1 BTU | = 252.16443594646 calories (cal) |
| 1 BTU | = 0.25216443594646 kilocalories (kcal) |
| 1 BTU | = 6.5851277634223E+21 electron volt (eV) |
| 1 BTU | = 0.29307111111111 watt hour (Wh) |
| 1 BTU | = 2.4199953024765E+20 atomic unit of energy (au) |
| 1 BTU | = 2.5216443594646E-7 tons of TNT (tTNT) |
| 1 BTU | = 778.16937096787 foot pound force (ft lbf) |
| 1 BTU | = 10550560000 ergs (ergs) |
| British Thermal Unit | to Petajoules (table conversion) |
|---|---|
| 1 BTU | = 1.055056E-12 PJ |
| 2 BTU | = 2.110112E-12 PJ |
| 3 BTU | = 3.165168E-12 PJ |
| 4 BTU | = 4.220224E-12 PJ |
| 5 BTU | = 5.27528E-12 PJ |
| 6 BTU | = 6.330336E-12 PJ |
| 7 BTU | = 7.385392E-12 PJ |
| 8 BTU | = 8.440448E-12 PJ |
| 9 BTU | = 9.495504E-12 PJ |
| 10 BTU | = 1.055056E-11 PJ |
| 20 BTU | = 2.110112E-11 PJ |
| 30 BTU | = 3.165168E-11 PJ |
| 40 BTU | = 4.220224E-11 PJ |
| 50 BTU | = 5.27528E-11 PJ |
| 60 BTU | = 6.330336E-11 PJ |
| 70 BTU | = 7.385392E-11 PJ |
| 80 BTU | = 8.440448E-11 PJ |
| 90 BTU | = 9.495504E-11 PJ |
| 100 BTU | = 1.055056E-10 PJ |
| 200 BTU | = 2.110112E-10 PJ |
| 300 BTU | = 3.165168E-10 PJ |
| 400 BTU | = 4.220224E-10 PJ |
| 500 BTU | = 5.27528E-10 PJ |
| 600 BTU | = 6.330336E-10 PJ |
| 700 BTU | = 7.385392E-10 PJ |
| 800 BTU | = 8.440448E-10 PJ |
| 900 BTU | = 9.495504E-10 PJ |
| 1000 BTU | = 1.055056E-9 PJ |
| 2000 BTU | = 2.110112E-9 PJ |
| 4000 BTU | = 4.220224E-9 PJ |
| 5000 BTU | = 5.27528E-9 PJ |
| 7500 BTU | = 7.91292E-9 PJ |
| 10000 BTU | = 1.055056E-8 PJ |
| 25000 BTU | = 2.63764E-8 PJ |
| 50000 BTU | = 5.27528E-8 PJ |
| 100000 BTU | = 1.055056E-7 PJ |
| 1000000 BTU | = 1.055056E-6 PJ |
| 1000000000 BTU | = 0.001055056 PJ |