Watts to Joules
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Joules to BTUs Converter

Convert energy from joules to BTUs.

  • Joules (J)
  • Kilojoules (kJ)
  • Megajoules (MJ)

How Joules to BTU works

The British Thermal Unit (BTU) is commonly used to measure the energy output of heating and air conditioning systems.

One BTU is the amount of energy required to heat one pound of water by one degree Fahrenheit, which is roughly equal to 1,055 joules.

Formula
1BTU = J ÷ 1055.06

1 BTU ≈ 1,055.06 J.

Joules to BTU conversion table

Reference Table3 rows
Joules to BTUs.
JoulesBTUs
1,055 J
1 BTU
10,550 J
10 BTU
1,055,000 J
1,000 BTU

FAQ: Joules to BTU

How do you convert joules to BTUs?

Divide the energy in joules by 1,055.06.