Process Capability Index
Cp, Cpk, Pp, Ppk, sigma level, DPMO, yield.
Within-subgroup variation via MR-bar/d2 (d2=1.128, n=2).
Ref: AIAG SPC Manual, 2nd Ed. · Montgomery, 8th Ed. · ISO 22514-2
Within-subgroup variation via MR-bar/d2 (d2=1.128, n=2).
Ref: AIAG SPC Manual, 2nd Ed. · Montgomery, 8th Ed. · ISO 22514-2
I Specification Limits
II Measurement Data
Accepts comma, space, tab, or newline delimiters. Paste from Excel, CSV, or any column of numbers.
III Distribution
IV Capability Indices
| Parameter | Value | Unit | Status |
|---|
V Summary Statistics
| Statistic | Value | Unit |
|---|
VI Conditions at Analysis
Next step
This is one of the bench instruments, standing alone
The calculator above takes numbers you type, one set at a time. On the bench, the same solver runs against a dataset you keep — versioned, with the conditions held beside the result, so the number can still be explained to someone who asks six months from now.