Convert 400 Joules to BTUs
How much energy is 400 joules? How many BTUs are in 400 joules? 400 J to BTU conversion.
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400 Joules ≈
0.37912680 BTUs
result rounded
Decimal places
Result in Plain English
400 joules is equal to about 0.379 BTUs.
To a Percentage
400 joules ≈ 37.9% of a BTU.
In Scientific Notation
400 joules
= 4 x 102 joules
≈ 3.79127 x 10-1 BTUs
Joules
A joule is the standard unit of energy. On the surface of the Earth, it takes about 9.8 joules to lift a 1 kilogram object by 1 meter.
BTUs
A British thermal unit is the amount of energy required to heat a pound of water by 1 degree Fahrenheit. This can vary slightly depending on the temperature of the water, therefore different estimates for the BTU exist. The International Standards Organization defines a BTU as 1055.056 joules.