Supplier Defect Rate (SDR)

Percentage of supplier deliverables with defects

FORMULA

SDR = (Defective Deliverables / Total Deliverables) × 100

What is Supplier Defect Rate?

Quality metric for vendor management. Lower rates reduce rework and delays. Critical for manufacturing and supply-chain dependent industries. Drives vendor performance reviews.

Chart

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Required Data Columns

defective_itemstotal_deliverablesdefect_rate