Convert Joules (J) to British Thermal Units (BTU)
Enter a value below to convert Joules (J) to British Thermal Units (BTU).
Conversion:
1 Joules (J) = 0.0009478133945 British Thermal Units (BTU)
How to Convert Joules (J) to British Thermal Units (BTU)
1 j = 0.0009478133945 btu
1 btu = 1055.06 j
Example: convert 15 Joules (J) to British Thermal Units (BTU):
25 j = 0.023695334862 btu
Joules (J) to British Thermal Units (BTU) Conversion Table
| Joules (J) | British Thermal Units (BTU) |
|---|---|
| 0.01 j | 0.000009478133945 btu |
| 0.1 j | 0.00009478133945 btu |
| 1 j | 0.0009478133945 btu |
| 2 j | 0.001895626789 btu |
| 3 j | 0.0028434401835 btu |
| 5 j | 0.0047390669725 btu |
| 10 j | 0.009478133945 btu |
| 20 j | 0.01895626789 btu |
| 50 j | 0.047390669725 btu |
| 100 j | 0.09478133945 btu |
| 1000 j | 0.9478133945 btu |
Joules (J)
Definition
A joule (J) is the SI unit of energy, defined as the work done when a force of one newton moves an object one meter in the direction of the force. It equals 1 kg⋅m²/s².
History
The joule is named after English physicist James Prescott Joule, who demonstrated the relationship between mechanical work and heat in the 1840s. It was adopted as the SI unit of energy in 1889 by the International Electrical Congress.
Current use
Joules are used universally in physics, engineering, and chemistry to quantify energy, work, and heat. They are the standard unit on food labels in many countries and in scientific research worldwide.
British Thermal Units (BTU)
Definition
A British Thermal Unit (BTU) is an imperial unit of energy defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit. It equals approximately 1,055.06 joules.
History
The BTU originated in the British imperial measurement system in the 19th century. Despite the global shift toward metric units, it remains entrenched in US, UK, and Canadian HVAC and energy industries.
Current use
BTUs are the standard unit for rating heating and cooling equipment (furnaces, air conditioners), measuring natural gas energy content, and comparing fuel efficiencies in North America.