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A quad is a unit of energy equal to 10^15 (a short-scale quadrillion) BTU, or 1.055 x 10^18 joules (1.055 exajoules or EJ) in SI units. The unit is used by the U.S. Department o ..more definition+
In relation to the base unit of [energy] => (joules), 1 British Thermal Unit 63°F 17.2°C (BTU63°F) is equal to 1054.68 joules, while 1 Quads (quad) = 1.05505585262E+18 joules.| 439500 British Thermal Unit 63°F 17.2°C | to common energy units |
|---|---|
| 439500 BTU63°F | = 463531860 joules (J) |
| 439500 BTU63°F | = 463531.86 kilojoules (kJ) |
| 439500 BTU63°F | = 110786773.42256 calories (cal) |
| 439500 BTU63°F | = 110786.77342256 kilocalories (kcal) |
| 439500 BTU63°F | = 2.8931322323334E+27 electron volt (eV) |
| 439500 BTU63°F | = 128758.85 watt hour (Wh) |
| 439500 BTU63°F | = 1.0632088948342E+26 atomic unit of energy (au) |
| 439500 BTU63°F | = 0.11078677342256 tons of TNT (tTNT) |
| 439500 BTU63°F | = 341883554.92009 foot pound force (ft lbf) |
| 439500 BTU63°F | = 4.6353186E+15 ergs (ergs) |