Find a calculator ↗Supplier Performance Calculators
Measure supplier delivery timeliness and incoming-unit rejection rates using clearly defined reporting groups.
2 free calculatorsNo signupChoose a supplier performance tool
Supplier On-Time Delivery Rate Calculator
Calculate the share of supplier deliveries received on time. Compare on-time receipts with all deliveries due in a defined reporting period.
Use calculator →Incoming Inspection Rejection Rate Calculator
Calculate the share of inspected units rejected at incoming inspection. Report accepted units and rejected units per 1,000 inspected.
Use calculator →How to use these calculators
Keep due-date rules, inspection criteria, and reporting periods consistent. These tools summarize your records; they do not certify supplier quality or explain the causes of a missed target.
Start with comparable inputs
Replace the illustrative numbers with your own records or quotes. Use the same time period and cost basis when comparing scenarios. Each tool includes a formula, a worked example, and answers to common questions.
Turn the estimate into a useful decision
Compare a cautious case with your expected case. Check the result against operational constraints and confirm supplier costs before committing a budget. Contact us if a result needs review.
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