Convert British Thermal Unit to Gigajoule
Input the number of btu you want to convert to gigajoules.
How to Convert BTU to Gigajoules
The british thermal unit and gigajoule are both units of energy. 1 gigajoule equals 947817.12031 btu. This means to convert btu to gigajoules, you divide by 947817.12031.
Formula
Step-by-Step Example
Convert 5 BTU to gigajoules:
We need to convert btu to gigajoules
Since 1 GJ = 947817.12031 BTU, divide by 947817.12031
5 ÷ 947817.12031 = 5.2752792631e-6
5 BTU = 5.2752792631e-6 GJ
British Thermal Unit to Gigajoule Conversion Table
Quick reference table for common british thermal unit to gigajoule conversions. Click any value for detailed calculation.
| BTU (BTU) | Gigajoules (GJ) |
|---|---|
| 0.1 BTU | 1.0550558526e-7 GJ |
| 0.5 BTU | 5.2752792631e-7 GJ |
| 1 BTU | 1.0550558526e-6 GJ |
| 2 BTU | 2.1101117052e-6 GJ |
| 5 BTU | 5.2752792631e-6 GJ |
| 10 BTU | 1.0550558526e-5 GJ |
| 25 BTU | 2.6376396315e-5 GJ |
| 50 BTU | 5.2752792631e-5 GJ |
| 100 BTU | 0.0001055056 GJ |
About These Units
British Thermal Unit (BTU)
A British Thermal Unit (BTU) is the energy needed to raise 1 pound of water by 1°F, equal to approximately 1,055 joules. BTUs measure heating/cooling capacity (AC units: 5,000-25,000 BTU), fuel energy content, and HVAC systems. One BTU equals 252 calories.
Gigajoule (GJ)
A gigajoule (GJ) equals 1 billion joules or approximately 277.8 kilowatt-hours. Gigajoules measure natural gas billing, industrial energy use, and building energy consumption. One GJ equals about 26.8 cubic meters of natural gas.
Frequently Asked Questions
How do I convert btu to gigajoules?
To convert btu to gigajoules, divide the value by 947817.12031. For example, 10 BTU = 1.0550558526e-5 GJ.
How many gigajoules are in 1 british thermal unit?
1 british thermal unit equals 1.0550558526e-6 gigajoules.
What is the formula for btu to gigajoules?
The formula is: GJ = BTU ÷ 947817.12031.