EOQ, safety stock, reorder point, and ABC analysis calculators. Browse our free inventory tools below — all calculators are instant, accurate, and require no sign-up.
Consignment Inventory Cost Calculator — Calculate the true cost of consignment inventory including unit cost when sold, handling expenses, and carrying savings vs traditional purchasing.
Cycle Count Frequency Calculator — Determine cycle count frequency by ABC class. A items counted 12x/year, B items 4x, C items 1x. Plan daily counting workload.
Economic Order Quantity (EOQ) Calculator — Calculate the optimal order quantity that minimizes total inventory cost using the EOQ formula. Balance ordering and carrying costs efficiently.
FIFO vs LIFO Cost Comparison Calculator — Compare COGS and ending inventory value under FIFO vs LIFO accounting methods. Analyze tax and profit impact of inventory costing choices.
EOQ Calculator (Economic Order Quantity) — Calculate the Economic Order Quantity using the EOQ formula to minimize total inventory costs. Balance ordering and carrying costs efficiently.
JIT Buffer Stock Calculator — Calculate just-in-time buffer stock using delivery variability, demand rate, and safety factor to maintain smooth JIT operations.
Inventory Turnover Ratio Calculator — Calculate how many times inventory is sold and replaced over a period. Measure inventory efficiency with COGS and average inventory values.
Kanban Quantity Calculator — Calculate the number of kanban cards or containers needed to manage production and inventory flow using daily demand and lead time.
Just-in-Time (JIT) Savings Calculator — Calculate savings from just-in-time inventory management including inventory reduction, lower carrying costs, and quality improvement value.
Min-Max Inventory Calculator — Calculate minimum and maximum inventory levels using reorder point and EOQ. Set optimal min-max boundaries for automated replenishment systems.
Min-Max Inventory Levels Calculator — Calculate minimum and maximum inventory levels using reorder point and EOQ. Set inventory boundaries to automate replenishment.
Pull System Sizing Calculator — Size a lean pull system supermarket by calculating maximum demand during replenishment plus buffer stock for reliable material flow.
Obsolescence Rate Calculator — Calculate inventory obsolescence rate by dividing written-off value by average inventory. Track and reduce obsolescence losses.
Reorder Point Calculator — Calculate the reorder point for inventory replenishment using average daily demand, lead time, and safety stock to prevent stockouts.