Energy & work
Mechanical, electrical, thermal and particle energy.
Try a decimal, 1e-9, 1/3, or 5 1/2.
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Convert gigajoule (GJ) to International Table British thermal unit (BtuIT). Enter a value for an instant result, or use the examples and reverse conversion below.
Mechanical, electrical, thermal and particle energy.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Enter a gigajoule value to calculate International Table British thermal unit with full internal precision before display rounding.
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
| Unit | Symbol | Converted value |
|---|---|---|
| ergfrom GJ | erg | 1e16 |
| microjoulefrom GJ | µJ | 1e15 |
| millijoulefrom GJ | mJ | 1000000000000 |
| joulefrom GJ | J | 1000000000 |
| kilojoulefrom GJ | kJ | 1000000 |
| megajoulefrom GJ | MJ | 1000 |
| gigajoulefrom GJ | GJ | 1 |
| watt-hourfrom GJ | Wh | 277778 |
| kilowatt-hourfrom GJ | kWh | 277.778 |
| megawatt-hourfrom GJ | MWh | 0.277778 |
| thermochemical caloriefrom GJ | calₜₕ | 239006000 |
| thermochemical kilocaloriefrom GJ | kcalₜₕ | 239006 |
| International Table caloriefrom GJ | calIT | 238846000 |
| International Table British thermal unitfrom GJ | BtuIT | 947817 |
| U.S. thermfrom GJ | therm US | 9.48043 |
| foot pound-forcefrom GJ | ft·lbf | 737562000 |
| electronvoltfrom GJ | eV | 6.24151e27 |
| kiloelectronvoltfrom GJ | keV | 6.24151e24 |
| megaelectronvoltfrom GJ | MeV | 6.24151e21 |
| gigaelectronvoltfrom GJ | GeV | 6.24151e18 |
| ton of TNTfrom GJ | t TNT | 0.239006 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
Gigajoule (GJ) and International Table British thermal unit (BtuIT) are units of energy & work. Use this page to convert in either direction.
| Gigajoule (GJ) | International Table British Thermal Unit (BtuIT) |
|---|---|
| 1 GJ | 947817 BtuIT |
| 5 GJ | 4739090 BtuIT |
| 10 GJ | 9478170 BtuIT |
| 100 GJ | 94781700 BtuIT |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.
BtuIT to GJ (International Table British thermal unit to gigajoule)