Efficiency Calculator

Formula and Units

Efficiency compares useful output to total input.

Formula: efficiency = useful output / input x 100. Both values are converted to joules first.

Understanding Efficiency

1. What This Calculator Measures

Efficiency compares useful output to total input.

2. How the Calculation Works

Both input and output are converted to the same energy unit before the calculator finds the percentage of input that became useful output.

3. Formula or Rule Used

efficiency = useful output / input x 100.

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