Quality Defect Rate (QDR)

Percentage of products/deliverables with defects, rework needs, or quality issues

OperationsProductEngineeringManufacturingSaaS / SoftwareHealthcarePercentageWeekly

FORMULA

QDR = (Defective Units / Total Units) × 100

What is Quality Defect Rate?

Quality control metric. Lower is better. Tracks manufacturing defects, software bugs, service errors. Six Sigma target <0.0001 (3.4 defects per million). Drives cost reduction and customer satisfaction.

Chart

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Required Data Columns

defective_unitstotal_unitsdefect_percentage