Convert 81 Joules to BTUs
How much energy is 81 joules? How many BTUs are in 81 joules? 81 J to BTU conversion.
From
To
swap units ↺
81 Joules ≈
0.076773176 BTUs
result rounded
Decimal places
Result in Plain English
81 joules is equal to about 0.0768 BTUs.
To a Percentage
81 joules ≈ 7.68% of a BTU.
In Scientific Notation
81 joules
= 8.1 x 101 joules
≈ 7.67732 x 10-2 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.