# Efficiency Calculator

Efficiency can be explained as the amount of work done by an object to the total energy spent. In other words, efficiency is the ratio of energy output by energy input.

Formula to calculate efficiency:

Here is an simple example problem to calculate efficiency:

A cyclist puts in 400 joules of work and the bicycle churns out 350 joules of work. Calculate the efficiency
Solution:
Given:
Work input = 400 joules
Work output = 350 joules

Formula to calculate efficiency = work output / work input * 100

=  350 / 400 * 100

= 87.5%

Hence, the efficiency is found to be 87.5%

 Work Input: [Joules] Work Output: [Joules] Efficiency: [%]

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