Quality Tool
Cpk / Process Capability
Compute Cpk / Ppk from your measurement sample and read capability at a glance.
Live · free basic tier
Free tier
Free: single Cpk from up to 25 values + spec limits.
Cpk calculator
Paste your measurement values (comma or space separated), set the spec limits.
Serves these standards
Unlock unlimited & batch
Advanced features — batch runs, saved studies, export — come with a LabKitPro membership.