BTU (IT) to Joule Converter

Energy Converter

27 units available

Decimals:

From

To

1,055.055853

1 BTU (IT) = 1,055.055853 J

Formula:

J = BTU (IT) × 1,055.05585262

With your value: 1 BTU (IT) = 1,055.05585262 J

How big is that?

Everyday references on a logarithmic scale, all expressed in btu (it) so you can sanity-check the result.

Heartbeat (1/1.1e+3 your value)0.000948 BTU (IT)

Your value1.00 BTU (IT)

AA battery charge (9.5× your value)9.48 BTU (IT)

Slice of bread (2.7e+2× your value)265 BTU (IT)

Daily food intake (8.0e+3× your value)7.96e+3 BTU (IT)

Litre of petrol (3.2e+4× your value)3.24e+4 BTU (IT)

Other BTU (IT) to Joule conversions

2 BTU (IT) to J 3 BTU (IT) to J 4 BTU (IT) to J 5 BTU (IT) to J 6 BTU (IT) to J 7 BTU (IT) to J 8 BTU (IT) to J

BTU (IT) to Joule Conversion Table

BTU (IT) (BTU (IT))	Joule (J)
0.5	527.527926
1	1,055.055853
2	2,110.111705
5	5,275.279263
10	10,550.558526
15	15,825.837789
20	21,101.117052
25	26,376.396316
50	52,752.792631
100	105,505.585262
250	263,763.963155
500	527,527.92631
1000	1,055,055.85262

Joule to BTU (IT) Conversion Table

Joule (J)	BTU (IT) (BTU (IT))
0.5	0.000474
1	0.000948
2	0.001896
5	0.004739
10	0.009478
15	0.014217
20	0.018956
25	0.023695
50	0.047391
100	0.094782
250	0.236954
500	0.473909
1000	0.947817

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

BTU (IT) (BTU (IT))

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Joule (J)

Energy

Exact conversion

Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert BTU (IT) to Joule

To convert from BTU (IT) (BTU (IT)) to Joule (J), multiply the value by 1,055.05585262.

Formula: J = BTU (IT) × 1,055.05585262

Reverse: BTU (IT) = J × 0.0009478171

Step-by-Step Example

Start with your value in BTU (IT). For example: 5 BTU (IT)
Multiply by the conversion factor: 5 x 1,055.05585262
The result is: 5,275.279263 J

About BTU (IT)

The btu (it) (BTU (IT)) is a unit of energy and work. One btu (it) equals 1055.055853 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: energy calculations, engineering and science, education.

About Joule

The joule is the SI unit of energy. One joule equals the work done when a force of one newton moves an object one meter.

Common uses: physics, electrical engineering, chemistry.

Frequently Asked Questions

How many Joule are in 1 BTU (IT)?

There are exactly 1,055.05585262 Joule in 1 BTU (IT). This means the conversion factor from BTU (IT) to Joule is 1,055.05585262.

What is the formula to convert BTU (IT) to Joule?

The formula to convert BTU (IT) to Joule is: J = BTU (IT) × 1,055.05585262. For example, to convert 10 BTU (IT) to Joule, you would multiply 10 by 1,055.05585262.

What is a BTU (IT)?