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| 1 British Thermal Unit Thermochemical | to common energy units |
|---|---|
| 1 BTUth | = 1054.35026444 joules (J) |
| 1 BTUth | = 1.05435026444 kilojoules (kJ) |
| 1 BTUth | = 251.99576109943 calories (cal) |
| 1 BTUth | = 0.25199576109943 kilocalories (kcal) |
| 1 BTUth | = 6.5807229177745E+21 electron volt (eV) |
| 1 BTUth | = 0.29287507345556 watt hour (Wh) |
| 1 BTUth | = 2.4183765478891E+20 atomic unit of energy (au) |
| 1 BTUth | = 2.5199576109943E-7 tons of TNT (tTNT) |
| 1 BTUth | = 777.64884713142 foot pound force (ft lbf) |
| 1 BTUth | = 10543502644.4 ergs (ergs) |
| British Thermal Unit Thermochemical | to Calories (table conversion) |
|---|---|
| 1 BTUth | = 251.99576109943 cal |
| 2 BTUth | = 503.99152219885 cal |
| 3 BTUth | = 755.98728329828 cal |
| 4 BTUth | = 1007.9830443977 cal |
| 5 BTUth | = 1259.9788054971 cal |
| 6 BTUth | = 1511.9745665966 cal |
| 7 BTUth | = 1763.970327696 cal |
| 8 BTUth | = 2015.9660887954 cal |
| 9 BTUth | = 2267.9618498948 cal |
| 10 BTUth | = 2519.9576109943 cal |
| 20 BTUth | = 5039.9152219885 cal |
| 30 BTUth | = 7559.8728329828 cal |
| 40 BTUth | = 10079.830443977 cal |
| 50 BTUth | = 12599.788054971 cal |
| 60 BTUth | = 15119.745665966 cal |
| 70 BTUth | = 17639.70327696 cal |
| 80 BTUth | = 20159.660887954 cal |
| 90 BTUth | = 22679.618498948 cal |
| 100 BTUth | = 25199.576109943 cal |
| 200 BTUth | = 50399.152219885 cal |
| 300 BTUth | = 75598.728329828 cal |
| 400 BTUth | = 100798.30443977 cal |
| 500 BTUth | = 125997.88054971 cal |
| 600 BTUth | = 151197.45665966 cal |
| 700 BTUth | = 176397.0327696 cal |
| 800 BTUth | = 201596.60887954 cal |
| 900 BTUth | = 226796.18498948 cal |
| 1000 BTUth | = 251995.76109943 cal |
| 2000 BTUth | = 503991.52219885 cal |
| 4000 BTUth | = 1007983.0443977 cal |
| 5000 BTUth | = 1259978.8054971 cal |
| 7500 BTUth | = 1889968.2082457 cal |
| 10000 BTUth | = 2519957.6109943 cal |
| 25000 BTUth | = 6299894.0274857 cal |
| 50000 BTUth | = 12599788.054971 cal |
| 100000 BTUth | = 25199576.109943 cal |
| 1000000 BTUth | = 251995761.09943 cal |
| 1000000000 BTUth | = 251995761099.43 cal |