Convert Kilowatt-Hours to Terajoules
Convert Kilowatt-Hours (kWh) to Terajoules (TJ) instantly and accurately.
Conversion Formula
TJ = kWh × 3.600000000e-6
About Kilowatt-Hours
A kilowatt-hour (kWh) is the energy consumed by 1 kW for one hour - exactly 3,600,000 J = 3.6 MJ. All domestic electricity meters bill in kWh. Appliance benchmarks: fridge 180-250 kWh/year; washing machine 0.5-2.0 kWh/cycle; air conditioner 1-3 kWh/h. EVs consume 13-25 kWh/100 km; the Lucid Air achieves ~15.9 kWh/100 km (WLTP). Producing 1 tonne of primary aluminium requires ~13,000-15,000 kWh. Global electricity generation is ~29,165 TWh ≈ 2.9 × 10¹³ kWh/year. 1 kWh = 3.6 MJ = 3,412.1 BTU = 859.85 kcal.
About Terajoules
A terajoule (TJ) is 10¹² J - the scale of nuclear yields in the kiloton range and large industrial accidents. One kiloton of TNT = 4.184 TJ; the Hiroshima bomb (15 kt) released ~62.8 TJ. The Halifax Explosion (1917) released ~3 TJ. A 500 MW coal plant consumes ~51.4 TJ/h of thermal input. Daily primary energy of Denmark is ~250-300 TJ; the UK ~3,800 TJ/day. A 1 GW nuclear reactor at 90% capacity factor generates ~77.7 TJ/day. 1 TJ = 10¹² J = 277,778 kWh = 277.78 MWh = 23.88 ktoe.
Quick Reference Table
| Kilowatt-Hours (kWh) | Terajoules (TJ) |
|---|---|
| 1 kWh | 3.6 × 10-6 TJ |
| 2 kWh | 7.2 × 10-6 TJ |
| 5 kWh | 1.8 × 10-5 TJ |
| 10 kWh | 3.6 × 10-5 TJ |
| 25 kWh | 9 × 10-5 TJ |
| 50 kWh | 0.00018 TJ |
| 100 kWh | 0.00036 TJ |