Inventory & operations calculators
Plan stock, purchasing, capacity and day-to-day operating costs. Each tool includes a worked example, formula and practical limitations.
16 calculators
Revenue per Employee
Compare revenue with average staffing and payroll costs.
Inventory & operationsInventory Turnover
Compare cost of goods sold with average inventory at cost.
Inventory & operationsDays Inventory Outstanding
Estimate how many days of cost of goods are held in inventory.
Inventory & operationsReorder Point
Set the inventory position that triggers a replenishment order.
Inventory & operationsSafety Stock
Estimate a demand-variability buffer for a fixed replenishment lead time.
Inventory & operationsEconomic Order Quantity
Balance ordering and holding costs under a stable-demand inventory model.
Inventory & operationsSell-Through Rate
Measure units sold from the stock available during a period.
Inventory & operationsStock Coverage
Estimate how long available stock lasts at a daily sales pace.
Inventory & operationsCapacity Utilization
Compare actual production with a defined practical capacity.
Inventory & operationsLabor Cost Percentage
Measure wages plus employer costs against revenue.
Inventory & operationsLabor Productivity
Measure physical output per labor hour and labor cost per unit.
Inventory & operationsOvertime Pay
Estimate gross pay from regular hours and a user-defined overtime multiplier.
Inventory & operationsFulfillment Cost per Order
Allocate packing, shipping, handling and storage costs across orders.
Inventory & operationsProduct Return Rate
Measure returned units and estimated handling cost for a sales cohort.
Inventory & operationsInventory Shrinkage
Compare book inventory with a physical count using consistent cost values.
Inventory & operationsOccupancy Rate
Calculate occupied capacity over available room-nights or seat-hours.