Kilojoules to Watt-hours
1 kJ ≈ 0.2778 Wh. Edit either value to convert instantly.
Conversion formula
Wh = kJ × (1,000) × (1 / 3,600)1 kJ ≈ 0.277778 Wh
kilojoule (kJ)
Kilojoule is a unit of energy: 1 kJ = 1,000 J.
Source: BIPM, The International System of Units (SI), 9th edition
watt-hour (Wh)
Watt-hour is a unit of energy: 1 Wh = 3,600 J.
Source: BIPM, The International System of Units (SI), 9th edition
Conversion table
| kJ | Wh |
|---|---|
| ≈ 0.277778 | |
| ≈ 0.555556 | |
| ≈ 1.38889 | |
| ≈ 2.77778 | |
| ≈ 4.16667 | |
| ≈ 5.55556 | |
| ≈ 6.94444 | |
| ≈ 8.33333 | |
| ≈ 11.1111 | |
| = 12.5 |
| kJ | Wh |
|---|---|
| ≈ 13.8889 | |
| ≈ 16.6667 | |
| ≈ 19.4444 | |
| ≈ 22.2222 | |
| = 25 | |
| ≈ 27.7778 | |
| ≈ 41.6667 | |
| ≈ 44.4444 | |
| ≈ 47.2222 | |
| = 50 |
Frequently asked questions
How many watt-hours are in 1 kilojoule?
1 kJ ≈ 0.2778 Wh. Wh = kJ × (1,000) × (1 / 3,600)
How do I convert kJ to Wh?
Wh = kJ × (1,000) × (1 / 3,600)
Is 1 kilojoule bigger than 1 watt-hour?
1 kJ ≈ 0.2778 Wh.
Related conversions
All quantities
LengthMass / weightVolumeTemperatureAreaSpeedTimePressurePowerData storageFuel economyAngleFrequencyForceTorqueDensityData transfer rateAccelerationElectric chargeElectric currentVoltageCapacitanceAbsorbed doseDynamic viscosityElectrical resistanceIlluminanceKinematic viscosityLuminanceMagnetic flux densityMass flow rateRadioactivityVolumetric flow rateElectrical conductanceEquivalent doseInductanceMagnetic fluxMolar concentrationSolution mass concentrationAmount of substanceAngular velocityCountLuminous fluxLuminous intensityMagnetic field strengthMagnetomotive forceAbsorbed dose rateRadiation exposureThermal conductivity