Enter the control mean, the control limit and the standard deviation into the calculator to determine the control limit LCL and UCL.

## Control Limit Formula

The following formula can be used to calculate the upper and lower control limits.

LCL = x – (l*x*s)

UCL = x – (-l*x*s)

- Where LCL is the lower limit
- UCL is the upper limit
- x is the mean
- s is the standard deviation
- l is the control limit

## FAQ

**What is a control limit?**

A control limit is the upper and lower bounds of a set of elements.

**What are control charts?**

Control charts are charts that monitor the quality of the elements in a data set.

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