Economic Order Quantity (EOQ) Calculator

Work out the economic order quantity from annual demand, order cost and holding cost, using the Wilson formula.

Work out your order quantity

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Frequently Asked Questions

The Wilson EOQ formula: the order size that balances ordering cost against holding cost.

Use your own, for a period you can actually measure. A calculator like this is only as good as the inputs, and the most common error is using a number that covers a different period or a different set of costs.

No. Everything is worked out in your browser and nothing is sent anywhere or saved.

We do not publish one, deliberately. Benchmarks for these measures vary enormously by sector, stage and how each company defines the inputs, so a number quoted without those definitions tends to mislead more than it helps.

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