Calcylator

BTU to Joule Converter (BTU to J)

Convert BTU (BTU) to joule (J).Unit Converter · Energy

Quick answer

1 BTU is approximately equal to 1,055.056 joules (J). 1 joule (J) is approximately equal to 0.00094782 BTUs (BTU).

To convert BTU to J, multiply the value in BTUs by 1,055.05585262. For example, 10 BTU = 10,550.5585262 J, and 100 BTU = 1,05,505.585262 J.

From · BTU

BTU

To · joule

Value in joule1,055.05585262J
Loading chart…

Quick reference — BTU to joule

All Energy converters

How to convert BTUs to joules

How many joules are in a BTU? 1 BTU is about 1,055.056 joules. This free BTU to J converter and BTU to joule calculator gives the answer instantly for any value.

To convert BTU (BTU) to joule (J), multiply the value in BTUs by 1,055.05585262.

J = BTU × 1,055.05585262

  1. 1

    Take the value in BTUs

    For example, 25 BTU.

  2. 2

    Multiply by 1,055.05585262

    25 × 1,055.05585262.

  3. 3

    Read the answer in joules

    25 BTU = 26,376.3963155 J.

BTU to Joule conversion table

Common values from 1 to 1,000 BTUs converted to joules.

BTU (BTU) to Joule (J), part 1
BTU (BTU)Joule (J)
1 BTU1,055.05585262 J
2 BTU2,110.11170524 J
3 BTU3,165.16755786 J
4 BTU4,220.22341048 J
5 BTU5,275.2792631 J
6 BTU6,330.33511572 J
7 BTU7,385.39096834 J
8 BTU8,440.44682096 J
9 BTU9,495.50267358 J
10 BTU10,550.5585262 J
15 BTU15,825.8377893 J
20 BTU21,101.1170524 J
25 BTU26,376.3963155 J
BTU (BTU) to Joule (J), part 2
BTU (BTU)Joule (J)
30 BTU31,651.6755786 J
40 BTU42,202.2341048 J
50 BTU52,752.792631 J
60 BTU63,303.3511572 J
70 BTU73,853.9096834 J
75 BTU79,129.1889465 J
80 BTU84,404.4682096 J
90 BTU94,955.0267358 J
100 BTU1,05,505.585262 J
250 BTU2,63,763.963155 J
500 BTU5,27,527.92631 J
1,000 BTU10,55,055.85262 J

About BTUs and joules

BTU (BTU)

A British thermal unit (BTU) is about 1,055 joules. It is used to rate air conditioners and heaters.

Joule (J)

The joule (J) is the SI unit of energy: the work done by a force of one newton over one meter. One watt is one joule per second.

BTU to J: common questions

How many joules are in 1 BTU?
1 BTU is approximately equal to 1,055.056 joules (J). In short: 1 BTU ≈ 1,055.056 J.
How do I convert BTUs to joules?
To convert BTU to J, multiply the value in BTUs by 1,055.05585262. For example, 5 BTU = 5,275.2792631 J.
How do I convert joules to BTUs?
To convert J to BTU, divide the value in joules by 1,055.05585262. Or open the Joule to Btu converter, which does it for you.
What is 10 BTU in J, and what is 100 BTU?
10 BTU = 10,550.5585262 J, and 100 BTU = 1,05,505.585262 J. The table above lists more values from 1 to 1,000.
Is this BTU to J converter accurate?
Yes. It uses the exact conversion factor and shows results to as many as 8 decimal places, so you can rely on it for study, work and everyday measuring.

Joule to BTU converter →All Energy converters →

Integrate

Customize this calculator

Pick a look, copy the code, and this Btu to Joule calculator — with its inputs and results — runs on your own website.

Theme color

Match your brand's colors

Corner style

Sharp, soft or fully rounded

Widget width

Compact, standard or full width

Live preview

Full width

The same inputs, result and chart as the calculator above, styled with your choices.

yoursite.com

Btu to Joule

From · BTU

BTU

To · joule

Value in joule1,055.05585262J
Loading chart…

Quick reference — BTU to joule

Powered by Calcylator