Watt-hours to British Thermal Units
Type a value — result updates instantly.
wh
btu
Quick reference
| Watt-hours (wh) | British Thermal Units (btu) |
|---|
Formula
British Thermal Units = watt-hours × 3.4121282
Multiply the watt-hours value by 3.412128220196008 to get british thermal units. To reverse — divide british thermal units by 3.412128220196008 to get watt-hours.
About this conversion
The watt-hour (Wh) is an energy unit equal to one watt of power used for one hour, equal to 3,600 joules. Learn more →
The British Thermal Unit (BTU) is the energy needed to raise one pound of water by 1°F, equal to approximately 1,055 joules. Widely used in HVAC and heating systems. Learn more →
Source: NIST International Reference