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| 4 Hectojoules | to common energy units |
|---|---|
| 4 hJ | = 400 joules (J) |
| 4 hJ | = 0.4 kilojoules (kJ) |
| 4 hJ | = 95.602294455067 calories (cal) |
| 4 hJ | = 0.095602294455067 kilocalories (kcal) |
| 4 hJ | = 2.4965983847008E+21 electron volt (eV) |
| 4 hJ | = 0.11111111111111 watt hour (Wh) |
| 4 hJ | = 9.1748506334317E+19 atomic unit of energy (au) |
| 4 hJ | = 9.5602294455067E-8 tons of TNT (tTNT) |
| 4 hJ | = 295.02485971091 foot pound force (ft lbf) |
| 4 hJ | = 4000000000 ergs (ergs) |