Plan replenishment, compare inventory costs and assess fulfillment and process efficiency.
Which calculator should I use?
Use reorder point and safety stock for replenishment timing and buffers, and economic order quantity for the stated ordering and holding-cost model. Inventory turnover describes stock use. Fulfillment cost and cycle efficiency examine different sources of operational cost and delay.
Available calculators
Reorder Point Calculator
Estimate the inventory position that triggers a replenishment order.
Economic Order Quantity Calculator
Balance annual ordering and holding cost under the classic EOQ assumptions.
Safety Stock Calculator
Compare a peak-demand buffer with a normal-approximation service-level buffer.
Inventory Turnover Calculator
Estimate turnover and days in inventory over comparable accounting periods.
Order Fulfillment Cost Calculator
Allocate pick, pack, shipping, storage and expected return costs to each order.
Process Cycle Efficiency Calculator
Separate value-adding time from work and waiting time in a service or production process.