Free inventory tools

EOQ calculator

Find the order size that minimizes ordering and holding costs.

Annual demand (units)Cost per orderHolding cost per unit / year

Economic order quantity

EOQ = √(2 × annual demand × order cost ÷ holding cost).

More tools

Work out the stock level that triggers a new order.

Learn more

Set a buffer so you do not run out during demand spikes.

Learn more

See how many times you sell through stock in a year.

Learn more

Rank items by value into A, B, and C groups.

Learn more