Resource library
Calculators
Free browser-based supplier and sourcing planning calculators with visible assumptions.
On-Time Delivery Calculator
Calculate the percentage of supplier deliveries that arrived on or before the agreed date.
Open →Average Lead Time Calculator
Calculate average supplier lead time from a comma-separated series of observations.
Open →Lead-Time Variability Calculator
Estimate standard deviation from a comma-separated set of supplier lead-time observations.
Open →Supplier Concentration Calculator
Calculate a simple HHI-style concentration indicator from supplier share percentages.
Open →Weighted Supplier Scorecard
Combine quality, delivery, cost and service ratings into a simple weighted planning score.
Open →Alternative Source Coverage
Calculate the share of critical supplied items that have a viable alternative source.
Open →Lead-Time Buffer Planner
Add a chosen planning buffer to an observed supplier lead time.
Open →Incoming Defect Rate
Calculate incoming defects as a percentage of inspected or received units.
Open →