How many joule in 1 British thermal unit?
The answer is 1055.0559.
We assume you are converting between joule and British thermal unit.
You can view more details on each measurement unit:
joule or British thermal unit
The SI derived unit for energy is the joule.
1 joule is equal to 0.00094781707774915 British thermal unit.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between joules and Btus.
Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from British thermal unit to joule, or enter any two units below:
joule to gigaelectron volt
joule to kiloton
joule to calorie
joule to tonne of oil equivalent
joule to Q unit
joule to centijoule
joule to zettajoule
joule to yottawatthour
joule to yoctojoule
joule to petajoule
The joule (symbol J, also called newton meter, watt second, or coulomb volt) is the SI unit of energy and work. The unit is pronounced to rhyme with "tool", and is named in honor of the physicist James Prescott Joule (1818-1889).
The British thermal unit (BTU or Btu) is a non-metric unit of energy, used in the United States and, to a lesser extent, the UK (where it isgenerally only used for heating systems). The SI unit is the joule (J), which is used by most other countries.
ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!