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Free Tool · Updated June 30, 2026

Reorder Point Calculator

Find the stock level that should trigger a new order. Average daily usage times lead time, plus safety stock. Free, no email.

  • Usage times lead time, plus safetyThe reorder point covers demand during the lead time, plus your safety stock buffer.
  • A threshold, not a guessEnter usage, lead time, and safety stock to get the exact level that should trigger an order.
  • No email, everRun as many scenarios as you want. Nothing leaves your browser.
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Calculator · Reorder Point

Calculate your reorder point

Average daily usage times lead time, plus safety stock, tells you the stock level that should trigger a new order.

Reorder point140 units20 units/day over 7 days lead time
Lead-time demand140 units
Safety stock0 units
Reorder point140 units

When on-hand stock reaches this level, place the next order. Keep usage and lead time in the same time unit (days).

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01

How This Calculator Works

The reorder point (ROP) is calculated as average daily usage times lead time, plus safety stock. The first part covers expected demand while the order is in transit; safety stock covers spikes and delays. When on-hand stock reaches this level, it is time to order. Keep usage and lead time in the same time unit.

02

How This Maps to Odoo Inventory

Odoo Inventory automates reordering through reordering rules: you set a minimum and maximum, and Odoo generates purchase or manufacturing orders when stock drops below the threshold. Vendor lead times and safety quantities plug right in. Octura configures those rules, routes, and lead times so replenishment runs without manual watching.

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Automated Replenishment in Odoo

This calculator handles the arithmetic. The real win is reordering rules that order at the right moment, without stockouts or overstock. That is what we do.

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Backed by real migrations

Numbers like yours, validated on real migrations

Three engagements where the projection turned into operational reality on Odoo. Read the full case studies on the migration service page.

  • ManufacturingV12 → V17

    Industrial Manufacturer, Texas

    12custom modules ported, zero data lost

  • DistributionV14 → V18

    Wholesale Distributor, Quebec

    30%faster page loads after the upgrade

  • Professional ServicesCE → Enterprise

    Consulting Firm, Brussels

    0hproduction downtime during cutover

Official Odoo Partner · 50+ Migrations Delivered · V8 through V19 Verify our partner status on odoo.com →

See the full case studies on migration →

Frequently Asked Questions

  • 01How do I calculate the reorder point?

    Multiply average daily usage by lead time, then add safety stock. For example, 20 units/day over 7 days plus 0 safety gives a reorder point of 140 units.

  • 02Should I include safety stock?

    If demand or lead time varies, yes. Safety stock absorbs the variation. If everything is very stable you can leave it at zero, but that is rare in practice.

  • 03How is this different from safety stock?

    Safety stock is a buffer against uncertainty. The reorder point is the trigger level that includes lead-time demand plus that buffer.

  • 04How does Odoo handle the reorder point?

    Through reordering rules: Odoo triggers a purchase or manufacturing order when stock drops below the minimum you set, accounting for vendor lead times.