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EOQ Calculator

Find the order quantity that minimises ordering plus holding cost.

Your numbers

units/year
per order
per unit/yr

Economic order quantity

Order roughly this many units each time.

Orders per year

Updates as you type · nothing leaves your browser

The formula

EOQ = √(2 × D × S ÷ H)

D = annual demand, S = cost per order, H = annual holding cost per unit.

What it means

Economic Order Quantity — full definition

Read in the glossary

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This calculator works on one set of numbers. AWRA OpsHub keeps eoq calculator results current across every item, supplier and location — automatically.