How to Convert btu to Gigajoules
To convert btu to Gigajoules, divide the value by 947813.394499.
The Formula
Gigajoules = btu ÷ 947813.394499
Key Fact
1 Gigajoule = 947813.394499 btu
Tip: To convert Gigajoules back to btu, multiply by 947813.394499.