Question

What is the equivalent of 1 joule in calories?

Answer 1

Determine the unit conversion to 1 joule in calories.

1. The international system of units defines the joule as a derived unit of energy, work, or heat. The $"\mathrm{J}"$is used to represent it.
2. A calorie is a unit of heat used to elevate a kilogram or gram of water by one degree Celsius.

Calculation of conversion of 1 joule to calories:

$$\begin{gathered} 1\mathrm{joule}=\frac{1}{4.18\mathrm{cal}} \\ \Rightarrow =0.2392 \\ \Rightarrow \approx 0.24\mathrm{calorie} \end{gathered}$$

Hence, $1$ joule is equivalent to $0.24$ calories.