Converters
Joules to BTU Converter
Convert joules to btu instantly. 1 joule = 0.000947813 btu.
0.000947813
1 J = 0.000947813 BTU
Common conversions
From 1 joules- Kilojoules (kJ)0.001
- Calories (cal)0.239006
- Kilocalories (kcal)0.000239006
- Watt-hours (Wh)0.000277778
- Kilowatt-hours (kWh)2.7778e-7
- BTU (BTU)0.000947813
- Electronvolts (eV)6.2415e+18
How it works
BTU = Joules × 0.0009478133945
Multiply the number of joules by 0.0009478133945 to get btu. To go back, multiply by 1055.06. Examples: 1 J = 0.000947813 BTU · 5 J = 0.00473907 BTU · 10 J = 0.00947813 BTU · 100 J = 0.0947813 BTU.
Frequently asked
How many btu are in a joule?
1 joule = 0.000947813 btu.
What is the formula to convert joules to btu?
BTU = Joules × 0.0009478133945
Is this conversion exact?
The conversion factor between joules and btu is defined by international standards and is exact to at least 10 significant figures here.
Can I convert in the opposite direction?
Yes — use our BTU to Joules converter, or multiply your value by 1055.06.
Related calculators
Length Converter
Convert between every length unit — instant, accurate, and free.
Meters to Feet Converter
Convert meters to feet instantly. 1 meter = 3.28084 feet.
Feet to Meters Converter
Convert feet to meters instantly. 1 foot = 0.3048 meters.
Meters to Yards Converter
Convert meters to yards instantly. 1 meter = 1.09361 yards.