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| 1 Zeptowatt Hour | to common energy units |
|---|---|
| 1 zWh | = 3.6E-18 joules (J) |
| 1 zWh | = 3.6E-21 kilojoules (kJ) |
| 1 zWh | = 8.604206500956E-19 calories (cal) |
| 1 zWh | = 8.604206500956E-22 kilocalories (kcal) |
| 1 zWh | = 22.469385462308 electron volt (eV) |
| 1 zWh | = 1.0E-21 watt hour (Wh) |
| 1 zWh | = 0.82573655700885 atomic unit of energy (au) |
| 1 zWh | = 8.604206500956E-28 tons of TNT (tTNT) |
| 1 zWh | = 2.6552237373982E-18 foot pound force (ft lbf) |
| 1 zWh | = 3.6E-11 ergs (ergs) |
| Zeptowatt Hour | to Rydberg (table conversion) |
|---|---|
| 1 zWh | = 1.6514731140177 Ry |
| 2 zWh | = 3.3029462280354 Ry |
| 3 zWh | = 4.9544193420531 Ry |
| 4 zWh | = 6.6058924560708 Ry |
| 5 zWh | = 8.2573655700885 Ry |
| 6 zWh | = 9.9088386841062 Ry |
| 7 zWh | = 11.560311798124 Ry |
| 8 zWh | = 13.211784912142 Ry |
| 9 zWh | = 14.863258026159 Ry |
| 10 zWh | = 16.514731140177 Ry |
| 20 zWh | = 33.029462280354 Ry |
| 30 zWh | = 49.544193420531 Ry |
| 40 zWh | = 66.058924560708 Ry |
| 50 zWh | = 82.573655700885 Ry |
| 60 zWh | = 99.088386841062 Ry |
| 70 zWh | = 115.60311798124 Ry |
| 80 zWh | = 132.11784912142 Ry |
| 90 zWh | = 148.63258026159 Ry |
| 100 zWh | = 165.14731140177 Ry |
| 200 zWh | = 330.29462280354 Ry |
| 300 zWh | = 495.44193420531 Ry |
| 400 zWh | = 660.58924560708 Ry |
| 500 zWh | = 825.73655700885 Ry |
| 600 zWh | = 990.88386841062 Ry |
| 700 zWh | = 1156.0311798124 Ry |
| 800 zWh | = 1321.1784912142 Ry |
| 900 zWh | = 1486.3258026159 Ry |
| 1000 zWh | = 1651.4731140177 Ry |
| 2000 zWh | = 3302.9462280354 Ry |
| 4000 zWh | = 6605.8924560708 Ry |
| 5000 zWh | = 8257.3655700885 Ry |
| 7500 zWh | = 12386.048355133 Ry |
| 10000 zWh | = 16514.731140177 Ry |
| 25000 zWh | = 41286.827850443 Ry |
| 50000 zWh | = 82573.655700885 Ry |
| 100000 zWh | = 165147.31140177 Ry |
| 1000000 zWh | = 1651473.1140177 Ry |
| 1000000000 zWh | = 1651473114.0177 Ry |