British thermal units (IT) to Watt-hours
1 BTU ≈ 0.2931 Wh. Edit either value to convert instantly.
Conversion formula
Wh = BTU × (1,055.05585262) × (1 / 3,600)1 BTU ≈ 0.293071 Wh
British thermal unit (IT) (BTU)
British thermal unit (IT) is a unit of energy: 1 BTU = 1,055.05585262 J. Uses the International Table definition (IT), not the thermochemical BTU.
Source: NBSIR 81-2401, Appendix A3.2: International Table British thermal unit
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
| BTU | Wh |
|---|---|
| ≈ 0.293071 | |
| ≈ 0.586142 | |
| ≈ 1.46536 | |
| ≈ 2.93071 | |
| ≈ 4.39607 | |
| ≈ 5.86142 | |
| ≈ 7.32678 | |
| ≈ 8.79213 | |
| ≈ 11.7228 | |
| ≈ 13.1882 |
| BTU | Wh |
|---|---|
| ≈ 14.6536 | |
| ≈ 17.5843 | |
| ≈ 20.515 | |
| ≈ 23.4457 | |
| ≈ 26.3764 | |
| ≈ 29.3071 | |
| ≈ 43.9607 | |
| ≈ 46.8914 | |
| ≈ 49.8221 | |
| ≈ 52.7528 |
Frequently asked questions
How many watt-hours are in 1 British thermal unit (IT)?
1 BTU ≈ 0.2931 Wh. Wh = BTU × (1,055.05585262) × (1 / 3,600)
How do I convert BTU to Wh?
Wh = BTU × (1,055.05585262) × (1 / 3,600)
Is 1 British thermal unit (IT) bigger than 1 watt-hour?
1 BTU ≈ 0.2931 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