Enter the total good count, the ideal cycle time, and the total planned produced time to determine the overall equipment effectiveness (OEE).

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## OEE Formula

The following formula is used to calculate the overall effectiveness of equipment.

OEE= IDCT * GC / PPT

- Where OEE is the overall equipment effectiveness
- IDCT is the ideal cycle time (min/hours)
- GC is the good count or number of produced pieces that satisfy set requirements.
- PPT is the planned production time (min/hours)

It’s important that both the ideal cycle time and planned production time are entered with the same units of time into the calculator or formula.

## OEE Definition

**What is OEE? **

OEE, short for overall equipment effectiveness, is a metric used in manufacturing to analyze the theoretical total output of a piece of equipment.

## Example Problem

How to calculate OEE?

**First, determine the ideal cycle time.**For this example, the idea cycle time is found to be 40 minutes.

**Next, determine the good count.**In this case, 10 pieces are required to meet the requirement.

**Next, determine the total planned production time.**For this problem, the total planned production time is 480 minutes.

**Finally, calculate the overall equipment effectiveness.**Using the formula above, the OEE is calculated to be:

OEE= IDCT * GC / PPT

OEE= 40 * 10 / 480

OEE= .8333