ENERGY CONVERSION

Joule to BTU (IT).

Convert joule (J) to btu (it) (BTU), with the math explained.

Energy converter
J
0.0009478171203BTU
THE RESULT

1 J = 0.0009478171203 BTU

Calculated in your browserFormula & conversion table

THE MATH, MADE SIMPLE

How to convert joule to btu (it)

Multiply your joule value by 0.000947817120313 to get the equivalent in btu (it). Both units are normalized through the joule.

CONVERSION FORMULABTU = J × 0.0009478171203
WORKED EXAMPLE

10 J = 0.00947817120313 BTU

Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.

QUICK REFERENCE

J to BTU conversion table

Reverse
Joule (J)BTU (IT) (BTU)
1 J0.000947817120313 BTU
2 J0.00189563424063 BTU
5 J0.00473908560157 BTU
10 J0.00947817120313 BTU
20 J0.0189563424063 BTU
50 J0.0473908560157 BTU
100 J0.0947817120313 BTU
500 J0.473908560157 BTU
1,000 J0.947817120313 BTU
J

About the joule

The joule (J) is a unit of energy. One joule equals 1 joule (base unit) in this calculator.

All joule conversions
BTU

About the btu (it)

The btu (it) (BTU) is a unit of energy. One btu (it) equals 1,055.05585262 joule (base unit) in this calculator.

All btu (it) conversions

Common questions

What is 1 J in BTU?

One joule equals 0.000947817120313 BTU. Use the formula above for other values.

Why might another calculator show a different last digit?

Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.

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