British Thermal Units to Megajoules

Type a value — result updates instantly.

btu
mj
1 btu = — mj

Quick reference

British Thermal Units (btu)Megajoules (mj)

Formula

Megajoules = british thermal units × 0.00105506

Multiply the british thermal units value by 0.00105506 to get megajoules. To reverse — divide megajoules by 0.00105506 to get british thermal units.

About this conversion

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 →

The megajoule (MJ) equals 1,000,000 joules, used in energy production and large-scale engineering. Learn more →

Source: NIST International Reference