How Many BTU in a Kilojoule?
Quick Answer
There are approximately 0.948 BTU in a kilojoule.
1 kJ ≈ 0.948 BTU
Understanding the Conversion
One kilojoule equals approximately 0.94782 British Thermal Units (BTU). The BTU is a traditional unit of heat used in the US for HVAC systems, water heaters, and energy ratings. One BTU is the energy needed to raise one pound of water by one degree Fahrenheit.
Formula
1 kJ ≈ 0.948 BTU
Common Examples
| Description | Value |
|---|---|
| A window AC unit (5,000 BTU) | About 5,275 kJ |
| A central AC (36,000 BTU / 3 tons) | About 37,978 kJ |
| A furnace (80,000 BTU) | About 84,396 kJ |
Quick Reference Table
Use this table for quick conversions between kilojoule and BTU:
| kilojoule | BTU |
|---|---|
| 1 | 0.948 |
| 2 | 1.896 |
| 5 | 4.74 |
| 10 | 9.48 |
| 25 | 23.7 |
| 50 | 47.4 |
| 100 | 94.8 |
Frequently Asked Questions
How Many BTU in a Kilojoule?
There are approximately 0.948 BTU in a kilojoule. One kilojoule equals approximately 0.94782 British Thermal Units (BTU). The BTU is a traditional unit of heat used in the US for HVAC systems, water heaters, and energy ratings. One BTU is the energy needed to raise one pound of water by one degree Fahrenheit.
What is the formula to convert kilojoule to BTU?
The formula is: 1 kJ ≈ 0.948 BTU. To convert, multiply the number of kilojoules by 0.948 to get the equivalent in BTU.
How do I convert BTU to kilojoule?
To convert BTU to kilojoule, divide the number of BTU by 0.948. For example, 4.74 BTU equals 5 kilojoules.