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Convert GJ to BTU instantly with an accurate, free calculator. Type any value to see the result update.
Uses the International Table definition: 1 BTU (IT) = 1,055.05585262 joules, not the thermochemical BTU. Source: NIST Guide for the Use of the International System of Units.
One gigajoules equals 947817 BTU. This value is calculated by the same conversion engine used above.
Use the formula GJ × 947817. For example, 1 GJ equals 947817 BTU.
1 GJ is 947817 BTU.
Yes. The converter is free to use, requires no account, and updates the result as you type.
