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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 Attojoules (aJ) is equal to 1.0E-18 joules, while 1 Quads (quad) = 1.05505585262E+18 joules.| 621000000000 Attojoules | to common energy units |
|---|---|
| 621000000000 aJ | = 6.21E-7 joules (J) |
| 621000000000 aJ | = 6.21E-10 kilojoules (kJ) |
| 621000000000 aJ | = 1.4842256214149E-7 calories (cal) |
| 621000000000 aJ | = 1.4842256214149E-10 kilocalories (kcal) |
| 621000000000 aJ | = 3875968992248.1 electron volt (eV) |
| 621000000000 aJ | = 1.725E-10 watt hour (Wh) |
| 621000000000 aJ | = 142439556084.03 atomic unit of energy (au) |
| 621000000000 aJ | = 1.4842256214149E-16 tons of TNT (tTNT) |
| 621000000000 aJ | = 4.5802609470118E-7 foot pound force (ft lbf) |
| 621000000000 aJ | = 6.21 ergs (ergs) |