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Economic Order Quantity (EOQ) from Demand and Costs Calculator

Optimal order size to minimise inventory costs.

Calculates EOQ = √(2DS/H), where D is annual demand, S is ordering cost per order, and H is annual holding cost per unit. Also shows total annual inventory cost.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

units/yr
$
$

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

EOQ = √(2·D·S / H)

In depth

Calculates EOQ = √(2DS/H), where D is annual demand, S is ordering cost per order, and H is annual holding cost per unit. Also shows total annual inventory cost.