The Unit Converters

BTU to Joule

1 BTU = 1055.06 Joule


Conversion Formula

To convert BTU to Joule, multiply the value by 1055.06.

BTU × 1055.06 = Joule

Quick Reference

BTU J
1 1055.06
5 5275.3
10 10550.6
25 26376.5
50 52753
100 105506
500 527530
1000 1055060

What is BTU?

The British thermal unit (symbol: BTU) is a traditional unit of heat in the imperial system.

It is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.

Common Uses

BTUs are commonly used in the United States and the United Kingdom to measure the heating and cooling capacity of air conditioners, furnaces, and other HVAC systems.

What is Joule?

The joule (symbol: J) is the base unit of energy in the International System of Units (SI).

It is equal to the energy transferred to (or work done on) an object when a force of one newton acts on that object in the direction of the force’s motion through a distance of one meter.

Common Uses

The joule is used in all fields of science and engineering to measure work, energy, and heat. It is a key unit in physics for calculating kinetic energy, potential energy, and thermal energy.

How many joule are in a btu?

There are 1055.06 joule in 1 btu.


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