Convert Gigajoule to British Thermal Unit
Enter the number of gigajoules that you want to convert to btu.
How to Convert Gigajoules to BTU
The gigajoule and british thermal unit are both units of energy. 1 gigajoule equals 947817.12031 btu. This means to convert gigajoules to btu, you multiply by 947817.12031.
Formula
Step-by-Step Example
Convert 5 GJ to btu:
We need to convert gigajoules to btu
Since 1 GJ = 947817.12031 BTU, multiply by 947817.12031
5 × 947817.12031 = 4739085.6016
5 GJ = 4739085.6016 BTU
Gigajoule to British Thermal Unit Conversion Table
Quick reference table for common gigajoule to british thermal unit conversions. Click any value for detailed calculation.
| Gigajoules (GJ) | BTU (BTU) |
|---|---|
| 0.1 GJ | 94781.712031 BTU |
| 0.5 GJ | 473908.56016 BTU |
| 1 GJ | 947817.12031 BTU |
| 2 GJ | 1895634.2406 BTU |
| 5 GJ | 4739085.6016 BTU |
| 10 GJ | 9478171.2031 BTU |
| 25 GJ | 23695428.008 BTU |
| 50 GJ | 47390856.016 BTU |
| 100 GJ | 94781712.031 BTU |
About These Units
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.
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.
Frequently Asked Questions
How do I convert gigajoules to btu?
To convert gigajoules to btu, multiply the value by 947817.12031. For example, 10 GJ = 9478171.2031 BTU.
How many btu are in 1 gigajoule?
1 gigajoule equals 947817.12031 btu.
What is the formula for gigajoules to btu?
The formula is: BTU = GJ × 947817.12031.