Replenishment planning
Calculate the inventory threshold that should trigger a replenishment decision.
Calculations run locally in your browser.
It calculates a reorder threshold from a daily demand rate, a supplier lead-time period, and a safety-stock buffer.
Average daily sales × supplier lead time + safety stock
Use a sales rate and lead time that match the same stock pool and decision boundary. Define lead time through the point inventory becomes sellable.
Inbound inventory is shown separately and does not change this calculator’s reorder-point formula. Whether confirmed inbound should influence a business’s reorder decision depends on confirmed arrival information and that business’s replenishment policy.
Review demand changes, open-order status, reservations, supplier reliability, and your inventory policy before treating the threshold as an order instruction.
Estimate on-hand stockout timing, plan quantity, or read the planning basics.
FAQ
No. The reorder point is based on demand during supplier lead time plus safety stock. Inbound timing is shown separately.
The threshold can be calculated without it. Enter on-hand stock when you want to compare your current position with that threshold.