Reorder Point Calculator
Estimate the stock level that can trigger replenishment using demand, lead time and a chosen safety allowance.
Open guideFree calculators, checklists and plain-English guides covering the full material lifecycle—from requirement and procurement through receiving, storage, issue, return, stocktaking, adjustment, repair and disposal.
Physical on hand, recorded book stock and usable available stock can all be different. Good control explains why.
Expected or uninspected returns should be visible for planning without being counted as guaranteed serviceable stock.
Investigation determines whether the cause was timing, location, unit, damage, transaction error, shrinkage or something else.
Estimate the stock level that can trigger replenishment using demand, lead time and a chosen safety allowance.
Open guideCompare a simple maximum-usage method with a variability-based planning estimate.
Open guideCombine verified on-hand stock, credible receipts, serviceable returns, allocations, demand and restricted stock.
Open guideEstimate how returned quantities may divide into serviceable, repairable, damaged and other outcomes.
Open guideCompare book stock with a verified physical count and screen the value and percentage variance.
Open guideEstimate quantity, value and rate of unexplained inventory loss after known causes are separated.
Open guideThe site is broader than retail inventory and narrower than a vendor software directory.
Reorder points, safety stock, minimum and maximum levels, service risk and critical-spares planning.
Open guideReceipts, issues, allocations, transfers, status codes, units of measure and stock availability.
Open guidePhysical counts, recounts, variances, shrinkage, cycle counting, reason codes and approved adjustments.
Open guideRequirements, supplier lead times, purchase orders, partial deliveries, receiving inspection and discrepancies.
Open guideLocations, bins, staging, quarantine, damage, expiry, multi-location stock and physical availability.
Open guideReturns to inventory, serviceability, repair loops, customer returns, parts recovery, surplus and disposal.
Open guideHigh-level planning for bulk liquids, vehicle and aviation parts, SDS records, regulated materials and traceability.
Open guideMaster data, audit trails, system cutovers, spreadsheets, barcodes, data quality and negative inventory.
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