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Convert Joule To BTU

What Is Joule?

Joule is the standard unit of energy or work in the International System of Units (SI). The Joule is equal to the work done by a force of one newton when its point of application moves through a distance of one meter in the direction of the force. It is the equivalent to 10 7ergs and one watt-second.


Learn more about joule.

What Is The BTU?

joule to BTU

The BTU is the British Termal Unit. It is the amount of heat that is required to raise the temperature of 1 pound (0.4 kg) of water 1°F.


Discover more about BTU.

The Joule And BTU

As you can easily see by the definitions of both Joule and BTU that we just presented you, both Joules and BTU are energy units. It is important to notice that both Joules and BTU are used in a wide range of areas that include chemistry, physics, among many others. 

Use our cubic yards to cubic feet calculator.

When you are working in these areas or if you are a student, it is always important to keep a calculator that allows you to convert Joule to BTU easily always near you. And this is exactly what we are offering you. At the top of this page, you will find a free and easy-to-use calculator that allows you to convert Joule to BTU. 

Learn to convert gallons to cubic feet.

How To Use Our Convert Joule To BTU Calculator

convert joule to btu

One of the best things about our free calculator is that it is very simple to use. Even if this is the first time you are hearing or reading about Joule and BTU, we can assure you that you won’t have any difficulties in using it. 


This is how you can convert gallons to cubic meters.

All you need to do is to first fill in the blank space with the number of units that you want to convert. Assuming that you are looking to convert Joule to BTU, you can leave the rest as it is and simply look at the result. 

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However, when we designed this calculator, we wanted to ensure that we were able to provide you with one that allowed you to make multiple calculations that included energy units. So, with our calculator, you can easily convert:

converting-Joule-to-BTU-by-hand
  • Joule to BTU (mean)
  • Joule to BTU (thermochemical)
  • Joule to calorie (SI) 
  • Joule to calorie (mean)
  • Joule to calorie (thermo)
  • Joule to electron volt
  • Joule to Erg
  • Joule to Foot pound force
  • Joule to foot-poundal
  • Joule to horsepower-hour
  • Joule to kilocalorie (SI)
  • Joule to kilocalorie (mean)
  • Joule to kilowatt-hour
  • Joule to ton of TNT
  • Joule to volt coulomb
  • Joule to watt-hour
  • Joule to watt-second

Besides, you can also make the contrary conversion. 

Discover how to convert kilowatts to horsepower (mechanical).

How To Convert Joule To BTU

1 J = 0.00094781712 BTUIT

1 BTUIT = 1055.05585262 J

The energy conversion of joules to BTU is given by the formula:

E(BTU) = E(J) / 1055.05585262 = 0.00094781712 ⋅ E(J)

For example: when E=500J,

E(BTU) = 500J / 1055.05585262 = 0.473909 BTU

How to convert  light years to kilometers.

Joule To BTU Conversion Table

Joule (J)BTU
10.000948
20.001896
30.002843
40.003791
50.004739
60.005687
70.006635
80.007583
90.008530
100.009478
200.018956
300.028435
400.037913
500.047391
600.056869
700.066347
800.075825
900.085304
1000.094782
1000 0.947817
20001.895634
30002.843451
40003.791268
50004.739086
6000 5.686903
70006.634720
80007.582537
90008.530354
100009.478171