Control Chart Calculator
Calculate Upper Control Limit (UCL), Lower Control Limit (LCL), and center line for X-bar, R, and S control charts using process statistics and sample size.
Inputs
Results
Upper Control Limit (UCL)
52.68
Center Line (CL)
50
Lower Control Limit (LCL)
47.32
How to Use This Calculator
- Enter Process Mean (X̄), Process Std Dev (σ), and Sample Size (n).
- Set Chart Type, X-bar Chart, and R Chart (Range).
- Adjust S Chart (Std Dev) as needed.
- Review Upper Control Limit (UCL), Center Line (CL), and Lower Control Limit (LCL).
- Use Chart Type and +2σ Zone Boundary to inform your decision.
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