# What's the value of 57.281 joules in Btu?

May 14, 2018

$x$ = 0.05429191131 BTUs [British Thermal Units]

#### Explanation:

Joules to British Thermal Units
1 joule = 0.0009478171 BTUs

Express this in a fraction and make it a proportion in order to solve for $x$, the number of BTUs equivalent to 57.281 joules.

$\frac{1}{0.0009478171}$ = $\frac{57.281}{x}$

Cross multiply.

$x$ = 0.05429191131 BTUs