Megajoules to Watt-hours
1 MJ ≈ 277.8 Wh. Edit either value to convert instantly.
Conversion formula
Wh = MJ × (1,000,000) × (1 / 3,600)1 MJ ≈ 277.778 Wh
megajoule (MJ)
Megajoule is a unit of energy: 1 MJ = 1,000,000 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
| MJ | Wh |
|---|---|
| ≈ 277.778 | |
| ≈ 555.556 | |
| ≈ 1,388.89 | |
| ≈ 2,777.78 | |
| ≈ 4,166.67 | |
| ≈ 5,555.56 | |
| ≈ 6,944.44 | |
| ≈ 8,333.33 | |
| ≈ 11,111.1 | |
| = 12,500 |
| MJ | Wh |
|---|---|
| ≈ 13,888.9 | |
| ≈ 16,666.7 | |
| ≈ 19,444.4 | |
| ≈ 22,222.2 | |
| = 25,000 | |
| ≈ 27,777.8 | |
| ≈ 41,666.7 | |
| ≈ 44,444.4 | |
| ≈ 47,222.2 | |
| = 50,000 |
Frequently asked questions
How many watt-hours are in 1 megajoule?
1 MJ ≈ 277.8 Wh. Wh = MJ × (1,000,000) × (1 / 3,600)
How do I convert MJ to Wh?
Wh = MJ × (1,000,000) × (1 / 3,600)
Is 1 megajoule bigger than 1 watt-hour?
1 MJ ≈ 277.8 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