What is the Inventory Restock Calculator?
The Inventory Restock Calculator is a free seller calculator that helps Amazon sellers calculate their Amazon listings for better unit economics. Calculate the perfect reorder quantity and date based on velocity, lead time and target days of cover.
How to use the Inventory Restock Calculator
- 1 Open the Inventory Restock Calculator tool above.
- 2 Provide the required inputs (text, file, or values depending on the tool).
- 3 Click the primary action button to run.
- 4 Review the result inline.
- 5 Copy or download the output and apply it in Seller Central.
Benefits
- Free to use — no signup required
- Instant results — no waiting on a server queue
- Works on desktop and mobile
- Privacy-respecting — file-based tools run entirely in your browser
Common use cases
- → Routine optimization of your Amazon listings
- → Auditing an existing listing or campaign
- → Onboarding a new SKU or client account
- → Quick spot-checks before pushing changes to Seller Central