Hours Lost Purchasing - Calculator

Estimate time lost to chasing invoices, reconciling data, confirming budgets, etc.

People making/approving purchases Anyone who submits POs, uses a card, or approves buys. Monthly purchases/approvals per person POs, invoices, or card charges that need admin touches. Additional administrative minutes per purchase Chasing invoices, reconciling, confirming budgets, duplicates, etc. (Optional) Estimated Hourly Rate Average Use fully loaded (wages + taxes + benefits + overhead).

Estimated days lost / week

—

— per year

Estimated admin cost / year

Add hourly rate

— per month

Formula & assumptions

Base: Monthly hours = (People × Purchases × Minutes) / 60

Weekly hours ≈ Monthly hours / 4.33

Days lost / week ≈ Weekly hours / 8 (assumes 8-hour workday)

Admin cost / year = Monthly hours × Hourly Rate × 12