ENERGY CONVERSION
BTU (IT) to Kilojoule.
Convert btu (it) (BTU) to kilojoule (kJ), with the math explained.
1 BTU = 1.055055853 kJ
THE MATH, MADE SIMPLE
How to convert btu (it) to kilojoule
Multiply your btu (it) value by 1.05505585262 to get the equivalent in kilojoule. Both units are normalized through the joule.
kJ = BTU × 1.05505585310 BTU = 10.5505585262 kJ
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
BTU to kJ conversion table
| BTU (IT) (BTU) | Kilojoule (kJ) |
|---|---|
| 1 BTU | 1.05505585262 kJ |
| 2 BTU | 2.11011170524 kJ |
| 5 BTU | 5.2752792631 kJ |
| 10 BTU | 10.5505585262 kJ |
| 20 BTU | 21.1011170524 kJ |
| 50 BTU | 52.752792631 kJ |
| 100 BTU | 105.505585262 kJ |
| 500 BTU | 527.52792631 kJ |
| 1,000 BTU | 1,055.05585262 kJ |
About the btu (it)
The btu (it) (BTU) is a unit of energy. One btu (it) equals 1,055.05585262 joule (base unit) in this calculator.
All btu (it) conversionsAbout the kilojoule
The kilojoule (kJ) is a unit of energy. One kilojoule equals 1,000 joule (base unit) in this calculator.
All kilojoule conversionsCommon questions
What is 1 BTU in kJ?
One btu (it) equals 1.05505585262 kJ. Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
BROWSE BY UNIT