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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 Rydberg (Ry) is equal to 2.179872E-18 joules, while 1 Quads (quad) = 1.05505585262E+18 joules.| 9997205038 Rydberg | to common energy units |
|---|---|
| 9997205038 Ry | = 2.1792627340595E-8 joules (J) |
| 9997205038 Ry | = 2.1792627340595E-11 kilojoules (kJ) |
| 9997205038 Ry | = 5.2085629399128E-9 calories (cal) |
| 9997205038 Ry | = 5.2085629399128E-12 kilocalories (kcal) |
| 9997205038 Ry | = 136018595542.29 electron volt (eV) |
| 9997205038 Ry | = 6.0535075946098E-12 watt hour (Wh) |
| 9997205038 Ry | = 4998602519 atomic unit of energy (au) |
| 9997205038 Ry | = 5.2085629399128E-18 tons of TNT (tTNT) |
| 9997205038 Ry | = 1.6073417059728E-8 foot pound force (ft lbf) |
| 9997205038 Ry | = 0.21792627340595 ergs (ergs) |