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British Thermal Units to Joules

Convert British thermal units (BTU) to joules (J). Type in either box; the other updates as you go.

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1 BTU = 1,055.0559 J

1 British thermal unit equals1,055.055853 J
1 joule equals0.0009478171203 BTU
FormulaJ = BTU × 1,055.055853

How to convert British thermal units to joules

To convert British thermal units to joules, multiply the number of British thermal units by 1,055.055853.

J = BTU × 1,055.055853

Example

Convert 5 British thermal units to joules:

5 BTU × 1,055.055853 = 5,275.28 J

British Thermal Unit to joule conversion chart

British Thermal Units (BTU)Joules (J)
1 BTU1,055.056 J
2 BTU2,110.112 J
3 BTU3,165.168 J
4 BTU4,220.223 J
5 BTU5,275.279 J
6 BTU6,330.335 J
7 BTU7,385.391 J
8 BTU8,440.447 J
9 BTU9,495.503 J
10 BTU10,550.56 J
12 BTU12,660.67 J
15 BTU15,825.84 J
20 BTU21,101.12 J
25 BTU26,376.4 J
30 BTU31,651.68 J
40 BTU42,202.23 J
50 BTU52,752.79 J
60 BTU63,303.35 J
70 BTU73,853.91 J
75 BTU79,129.19 J
80 BTU84,404.47 J
90 BTU94,955.03 J
100 BTU105,505.6 J
150 BTU158,258.4 J
200 BTU211,011.2 J
250 BTU263,764 J
500 BTU527,527.9 J
1,000 BTU1,055,056 J

Going the other way? See the joules to British thermal units chart.

About the units

British Thermal Unit (BTU)

A British thermal unit (International Table) is about 1,055 joules, the heat that warms one pound of water by one degree Fahrenheit.

Joule (J)

The joule is the SI unit of energy: the work done by a force of one newton over one meter.

Frequently asked questions

How many joules are in a British thermal unit?

There are 1,055.055853 joules in a British thermal unit.

How many British thermal units are in a joule?

There are 0.0009478171203 British thermal units in a joule.

How do you convert British thermal units to joules?

To convert British thermal units to joules, multiply the number of British thermal units by 1,055.055853.

What is 5 British thermal units in joules?

5 British thermal units equals 5,275.28 joules.

Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.