Convert 420 Joules to BTUs
How much energy is 420 joules? How many BTUs are in 420 joules? 420 J to BTU conversion.
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420 Joules ≈
0.39808313 BTUs
result rounded
Decimal places
Result in Plain English
420 joules is equal to about 0.398 BTUs.
To a Percentage
420 joules ≈ 39.8% of a BTU.
In Scientific Notation
420 joules
= 4.2 x 102 joules
≈ 3.98083 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.