Vendor OTIF Calculator
Professional Methodology
OTIF % = Orders delivered On Time and In Full ÷ Total Due Orders × 100. Define due date, quantity tolerance and partial-delivery rules before calculation.
Professional Control Notes
- Use consistent units and clearly defined time periods.
- Record the source and date of every input.
- Validate assumptions before using the result for inventory or purchasing decisions.
- Review results against service level, criticality, lead time and operational constraints.