Converting from British Thermal Unit, International (BTU) to British Thermal Unit, ISO (BTU) | Energy

What is British Thermal Unit, International (BTU)

British Thermal Unit, International (BTU) is a unit of energy traditionally used in the United States and other countries. It is defined as the amount of energy needed to raise the temperature of one pound of water by one degree Fahrenheit.

What is British Thermal Unit, ISO (BTU)

British Thermal Unit, ISO (BTU) is a unit of energy used in the ISO (International Organization for Standardization) system. It is also defined as the amount of energy required to raise the temperature of one pound of water by one degree Fahrenheit.

Conversion Formulas

To convert British Thermal Unit, International (BTU) to British Thermal Unit, ISO (BTU), you can use the following formulas:

• 1(BTU)=1.000527(BTU)

• 1(BTU)=0.9994732(BTU)

Examples

• 5 BTU is equivalent to 5.002636 BTU in British Thermal Unit, International (BTU) and 4.997366 BTU in British Thermal Unit, ISO (BTU).
• 8 BTU converts to 8.004217 BTU in British Thermal Unit, International (BTU) and 7.995785 BTU in British Thermal Unit, ISO (BTU).
• If you have 17 BTU, it corresponds to 17.00896 BTU in British Thermal Unit, International (BTU) and 16.99104 BTU in British Thermal Unit, ISO (BTU).

Use this page to perform conversions between British Thermal Unit, International (BTU) and British Thermal Unit, ISO (BTU).