How many joules are in a kilowatt-hour?
There are 3,600,000 joules in 1 kilowatt-hour (kWh).
Detailed answer
Power × time: 1 kW = 1,000 J/s. Over 3,600 seconds (one hour), energy = 1,000 × 3,600 = 3,600,000 J = 1 kWh.
Relationship context
Electricity meters and utility bills use kWh; physics and SI work often convert to joules.
Quick conversion table
| Kilowatt Hour (kwh) | Joule (j) |
|---|---|
| 0.1 | 360,000 |
| 1 | 3,600,000 |
| 2 | 7,200,000 |
| 3 | 10,800,000 |
| 4 | 14,400,000 |
| 5 | 18,000,000 |
| 6 | 21,600,000 |
| 7 | 25,200,000 |
| 8 | 28,800,000 |
| 9 | 32,400,000 |
| Kilowatt Hour (kwh) | Joule (j) |
|---|---|
| 10 | 36,000,000 |
| 20 | 72,000,000 |
| 30 | 108,000,000 |
| 40 | 144,000,000 |
| 50 | 180,000,000 |
| 60 | 216,000,000 |
| 70 | 252,000,000 |
| 80 | 288,000,000 |
| 90 | 324,000,000 |
| 100 | 360,000,000 |
More Kilowatt Hours converters
Dedicated pages from Kilowatt Hour to every other hub energy unit (kilocalorie, kilowatt-hour, calorie, joule, kilojoule, watt-hour, BTU, electronvolt).
- kilowatt-hour to toe (Kilowatt Hour to Ton of Oil Equivalent)
- kilowatt-hour to gigajoule (Kilowatt Hour to Gigajoule)
- kilowatt-hour to mmbtu (Kilowatt Hour to Million BTU (MMBtu, IT))
- kilowatt-hour to therm (Kilowatt Hour to Therm)
- kilowatt-hour to kilowatt-hour-thermal (Kilowatt Hour to Kilowatt-hour (thermal))
- kilowatt-hour to megajoule (Kilowatt Hour to Megajoule)
- kilowatt-hour to kilocalorie (Kilowatt Hour to Kilocalorie)
- kilowatt-hour to watt-hour (Kilowatt Hour to Watt Hour)
- kilowatt-hour to kilojoule (Kilowatt Hour to Kilojoule)
- kilowatt-hour to btu (Kilowatt Hour to British Thermal Unit)
- kilowatt-hour to calorie (Kilowatt Hour to Calorie)
- kilowatt-hour to foot-pound (Kilowatt Hour to Feet-Pound)
- kilowatt-hour to joule (Kilowatt Hour to Joule)
- kilowatt-hour to gigaelectronvolt (Kilowatt Hour to Gigaelectronvolt)
- kilowatt-hour to megaelectronvolt (Kilowatt Hour to Megaelectronvolt)
- kilowatt-hour to electronvolt (Kilowatt Hour to Electronvolt)