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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 Quads (quad) is equal to 1.05505585262E+18 joules, while 1 Millielectron Volt (meV) = 1.60218E-22 joules.| 21 Quads | to common energy units |
|---|---|
| 21 quad | = 2.215617290502E+19 joules (J) |
| 21 quad | = 2.215617290502E+16 kilojoules (kJ) |
| 21 quad | = 5.2954524151577E+18 calories (cal) |
| 21 quad | = 5.2954524151577E+15 kilocalories (kcal) |
| 21 quad | = 1.3828766371456E+38 electron volt (eV) |
| 21 quad | = 6.1544924736167E+15 watt hour (Wh) |
| 21 quad | = 5.0819894253011E+36 atomic unit of energy (au) |
| 21 quad | = 5295452415.1577 tons of TNT (tTNT) |
| 21 quad | = 1.6341554507585E+19 foot pound force (ft lbf) |
| 21 quad | = 2.215617290502E+26 ergs (ergs) |