Days of Supply Calculator

Estimate how many days your current stock of one product may last at your normal daily sales or usage rate. This calculator evaluates one product at a time.

Results

Enter units currently on hand and average units sold or used per day, then choose Calculate days of supply.

Want to know when to reorder this product?

Reorder Point Calculator

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Copy the iframe code below to embed this calculator on another site. Calculations run locally in the visitor's browser. No account or tracking is required.

Source: owner-advisor.com

Open embed preview

<div class="owner-advisor-calculator-embed">
  <iframe
    src="https://owner-advisor.com/embed/calculators/days-of-supply-calculator"
    title="Days of Supply Calculator from owner-advisor.com"
    width="100%"
    height="860"
    loading="lazy"
    style="width:100%;max-width:100%;border:1px solid #EADFCE;border-radius:12px"
  ></iframe>
  <p>
    Calculator provided by
    <a href="https://owner-advisor.com/free-business-tools/days-of-supply-calculator">
      owner-advisor.com
    </a>
  </p>
</div>