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Economic Order Quantity (EOQ) Calculator

EOQ = √(2DS/H) — optimal order quantity minimising costs.

Calculates the economic order quantity (EOQ) to minimise total inventory costs from annual demand, ordering cost, and holding cost per unit.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

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 the economic order quantity (EOQ) to minimise total inventory costs from annual demand, ordering cost, and holding cost per unit.