Recent tools
Formula
BTU = J × 0.000947817
Example
Example: convert 1000 joules to British thermal units.
1000 J = 0.94781699 BTU
Conversion table
| joules (J) | British thermal units (BTU) |
|---|---|
| 1 J | 0.00094782 BTU |
| 2 J | 0.00189563 BTU |
| 5 J | 0.00473908 BTU |
| 10 J | 0.00947817 BTU |
| 20 J | 0.01895634 BTU |
| 50 J | 0.04739085 BTU |
| 100 J | 0.0947817 BTU |
Explanation
These are both units.
How to convert joules to British thermal units
- Start with the value in joules (J).
- Multiply it by 0.000947817.
- The result is the measurement in British thermal units (BTU).
Example: 1000 J → 0.94781699 BTU
Frequently Asked Questions
How do you convert joules to calories?
Divide joules by 4.184 to get calories.
How many joules are in 1 kWh?
1 kilowatt-hour equals 3.6 million joules.
How do you convert calories to joules?
Multiply calories by 4.184 to get joules.
What energy units can I convert here?
This converter supports joules, kilojoules, watt-hours, kilowatt-hours, calories, kilocalories, BTU, electronvolts, and more.
What is a kilowatt-hour?
A kilowatt-hour is a unit of energy commonly used for electricity usage and billing.
How many calories are in 100 joules?
100 joules equal about 23.9 small calories.
Can I convert BTU and kWh here?
Yes. This converter supports both BTU and kilowatt-hours.
Is energy conversion useful for electricity and heating?
Yes. Energy conversion is useful for power usage, food energy, physics, and heating systems.
What’s the difference between a calorie and a Calorie?
A small calorie (cal) is used in physics. A food Calorie (Cal) is a kilocalorie: 1 Cal = 1 kcal = 4,184 J.
How many BTU are in 1 kWh?
1 kWh equals about 3,412.14 BTU (IT).