Convert btu to kilojoules quickly and accurately using this free online converter
Used in nutrition labels, physics, and electricity consumption.
💡 Calories (kcal) are used in food; joules in science; kWh in electricity.
kJ = BTU × 1.0551
Example: 1 BTU × 1.0551 = 1.0551 kJ
Use kcal for food; kWh for energy consumption; joules for science.
Common uses: nutrition, electricity bills, and scientific calculations.
How do I convert BTU to kJ?
Multiply the value in BTU by 1.0551. For example: 10 BTU = 10.5506 kJ.
When should I use Kilojoules instead of BTU?
Use kcal for food; kWh for energy consumption; joules for science.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| BTU (BTU) | Kilojoules (kJ) |
|---|---|
| 1 BTU | 1.0551 kJ |
| 10 BTU | 10.5506 kJ |
| 50 BTU | 52.753 kJ |
| 100 BTU | 105.506 kJ |
| 250 BTU | 263.765 kJ |
| 500 BTU | 527.53 kJ |
| 1000 BTU | 1055.06 kJ |
| 2000 BTU | 2110.12 kJ |