Joules to British Thermal Units
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j
btu
Quick reference
| Joules (j) | British Thermal Units (btu) |
|---|
Formula
British Thermal Units = joules × 0.00094781339
Multiply the joules value by 0.0009478133944988911 to get british thermal units. To reverse — divide british thermal units by 0.0009478133944988911 to get joules.
About this conversion
The joule (J) is the SI unit of energy, equal to the work done by a force of one newton over one meter. 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