Interactive Tool

AQL Inspection Calculator

Calculate required sample sizes and acceptance numbers based on ANSI/ASQ Z1.4 (ISO 2859-1) — the international standard for apparel quality inspection.

Lot Size (total pcs in shipment)

General Inspection Level Level II is the industry default. Use Level III for new suppliers or after failures.

Set AQL Levels by Defect Class

Critical Defects Safety hazards, label errors

Major Defects Defects affecting function/appearance

Minor Defects Workmanship, aesthetic issues

Enter lot size and AQL requirements to calculate your inspection sample size.

Quick Reference — Common AQL Settings by Brand Tier

Brand Tier	Critical	Major	Minor	Inspection Level
Mass Market / Fast Fashion	0.65	2.5	4.0	Level II
Mid-Market Brands	0.4	1.5	4.0	Level II
Premium / Contemporary	0.1	1.0	2.5	Level II–III
Luxury / Heritage	0	0.65	1.5	Level III
Children's / Safety-Critical	0	0.65	2.5	Level II–III