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Unit Converter

British Thermal Unit (BTU) to Joule

1 BTU = 1,055.05585 J
Swap: Joule to British Thermal Unit (BTU)⇄

1 British Thermal Unit (BTU) (BTU) is equal to 1,055.05585 Joule (J).To convert from british thermal unit (btu) into joule, calculate using the recognized factor equation: 1 × 1,055.05585 = 1,055.0558 J. Enter any value into the calculator below for automatic multi-unit calculations across the entire system.

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How to Convert British Thermal Unit (BTU) to Joule

Exact Formula

To convert from British Thermal Unit (BTU) (BTU) to Joule (J), apply the standard mathematical equation:

Value in J = Value in BTU × (1,055.05585)
Example: 1 × 1,055.05585 = 1,055.0558 J

1 British Thermal Unit (BTU) (BTU) is equal to exactly 1,055.05585 Joule (J).

Reverse conversion: 1 J = 0.000948 BTU.

British Thermal Unit (BTU) to Joule Conversion Table

Quick lookup for standard increments from 1 to 100 BTU

Reference Table
British Thermal Unit (BTU) (BTU)Joule (J)Quick Copy
1 BTU1,055.0558 J
2 BTU2,110.1117 J
3 BTU3,165.1676 J
5 BTU5,275.2792 J
10 BTU10,550.5585 J
15 BTU15,825.8377 J
20 BTU21,101.117 J
25 BTU26,376.3962 J
50 BTU52,752.7925 J
75 BTU79,129.1888 J
100 BTU105,505.585 J

Related Energy & Work Conversions

Quick jumps from British Thermal Unit (BTU) to other popular energy & work units

Cluster Links
British Thermal Unit (BTU) to Kilojoule1 BTU = 1.0551 kJBritish Thermal Unit (BTU) to Calorie (Thermochemical)1 BTU = 252.1644 calBritish Thermal Unit (BTU) to Kilocalorie (Food Calorie)1 BTU = 0.2522 kcalBritish Thermal Unit (BTU) to Kilowatt-hour1 BTU = 0.0003 kWh

Frequently Asked Questions

Common queries regarding British Thermal Unit (BTU) to Joule calculation formulas

How many joule are in 1 british thermal unit (btu)?

There are exactly 1,055.05585 joule (J) in 1 british thermal unit (btu) (BTU).

What is the formula to convert from British Thermal Unit (BTU) to Joule?

To convert British Thermal Unit (BTU) to Joule: Value in J = Value in BTU × (1,055.05585). 1 British Thermal Unit (BTU) (BTU) is equal to exactly 1,055.05585 Joule (J).

How do you convert Joule back into British Thermal Unit (BTU)?

To convert in reverse from Joule to British Thermal Unit (BTU), 1 J equals approximately 0.000948 BTU.