Online calculator to convert British Thermal Units to gigajoules (BTU to GJ) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Energy units.
Conversion Calculator
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Convert BTU to GJ
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Conversion Definitions
The following is a list of definitions relating to conversions between BTU and gigajoules.
What is a British Thermal Unit (BTU)?
A British Thermal Unit is a unit of energy in the Imperial System. The symbol for British Thermal Unit is BTU or Btu. There are 947,817.12 BTU in a gigajoule. A BTU is measured as the quantity of heat required to raise the temperature of 1 pound of water by 1°F.
What is a gigajoule (GJ)?
A gigajoule is a unit of energy in the International System of Units (SI). The symbol for gigajoule is GJ. There are 0.00000105505585262 gigajoules in a BTU.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from BTU to GJ is:
GJ = BTU x 0.00000105505585262
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from British Thermal Units to gigajoules (BTU to GJ).
BTU to Gigajoule Conversion Example
Task: Convert 375,000 BTUs to gigajoules (show work) Formula: BTU x 0.00000105505585262 = GJ Calculations: 375,000 BTU x 0.00000105505585262 = 0.39564594 GJ Result: 375,000 BTU is equal to 0.39564594 GJ
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from BTUs to gigajoules.
BTUs to Gigajoules Conversion Chart
British Thermal Units (BTU) | gigajoules (GJ) |
---|---|
1 BTU | 0.00000106 GJ |
2 BTU | 0.00000211 GJ |
3 BTU | 0.00000317 GJ |
4 BTU | 0.00000422 GJ |
5 BTU | 0.00000528 GJ |
6 BTU | 0.00000633 GJ |
7 BTU | 0.00000739 GJ |
8 BTU | 0.00000844 GJ |
9 BTU | 0.0000095 GJ |
10 BTU | 0.00001055 GJ |
20 BTU | 0.0000211 GJ |
30 BTU | 0.00003165 GJ |
40 BTU | 0.0000422 GJ |
50 BTU | 0.00005275 GJ |
75 BTU | 0.00007913 GJ |
100 BTU | 0.00010551 GJ |
250 BTU | 0.00026376 GJ |
500 BTU | 0.00052753 GJ |
750 BTU | 0.00079129 GJ |
1,000 BTU | 0.00105506 GJ |
2,500 BTU | 0.00263764 GJ |
5,000 BTU | 0.00527528 GJ |
7,500 BTU | 0.00791292 GJ |
10,000 BTU | 0.01055056 GJ |
25,000 BTU | 0.0263764 GJ |
50,000 BTU | 0.05275279 GJ |
75,000 BTU | 0.07912919 GJ |
100,000 BTU | 0.10550559 GJ |
250,000 BTU | 0.26376396 GJ |
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