Enter the standard labor hours (hrs) and the actual amount of time worked (hrs) into the calculator to determine the Time Efficiency.

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## Time Efficiency Formula

The following formula is used to calculate the Time Efficiency.

Etime = SL / AT * 100

- Where Etime is the Time Efficiency (%)
- SL is the standard labor hours (hrs)
- AT is the actual amount of time worked (hrs)

To calculate a time efficiency divide the standard labor hours by the actual amount of time worked, then multiply by 100.

## How to Calculate Time Efficiency?

The following two example problems outline how to calculate the Time Efficiency.

**Example Problem #1:**

- First, determine the standard labor hours (hrs). In this example, the standard labor hours (hrs) is given as 25.
- Next, determine the actual amount of time worked (hrs). For this problem, the actual amount of time worked (hrs) is given as 76.
- Finally, calculate the Time Efficiency using the equation above:

Etime = SL / AT * 100

Inserting the values from above and solving the equation:

Etime = 25 / 75 * 100 = 33.33 (%)

**Example Problem #2: **

Using the same process as above, first define the variables required by the formula. In this case, these values are:

standard labor hours (hrs) = 23

actual amount of time worked (hrs) = 100

Entering these values yields:

Etime = 23 / 100 * 100 = 23 (%)