Inventory Reorder Point Calculator
Estimate when to reorder an item from average daily demand, supplier lead time and safety stock you choose. See demand during the waiting period separately.
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- No sign-up
- Runs in your browser
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Result
Enter the required values to see your result. Use the example to try the complete calculation.
All inputs must be nonnegative. The result is a simple planning threshold, not an optimal order quantity. It does not predict demand, stockouts or supplier delays.
How this calculation works
Inventory Reorder Point Calculator
Estimate when to reorder an item from average daily demand, supplier lead time and safety stock you choose. See demand during the waiting period separately.
Units and limits
All inputs must be nonnegative. The result is a simple planning threshold, not an optimal order quantity. It does not predict demand, stockouts or supplier delays.
Formulas
- Calculation
- reorder point = ceil(daily demand × lead time + safety stock)
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Discover VISU LinkHow to use it
- Choose the operation when available and enter your own values in the labelled fields.
- Check the units and the limits explained below before interpreting the answer.
- Read the result and its details. Copy it or download a result card; no account is required.
Examples
Worked example
12 units per day, five days of lead time and 20 safety units give a reorder point of 80.
Another case
2.5 units per day over three days with no buffer rounds up to 8 units.
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Questions
What does this tool calculate?
Estimate when to reorder an item from average daily demand, supplier lead time and safety stock you choose. See demand during the waiting period separately.
Which inputs and units should I use?
All inputs must be nonnegative. The result is a simple planning threshold, not an optimal order quantity. It does not predict demand, stockouts or supplier delays.
Can I check a worked example?
12 units per day, five days of lead time and 20 safety units give a reorder point of 80.
Are my input values uploaded or stored?
No. The calculation runs in this browser. Typed values are not sent to analytics, placed in the page URL or saved by the calculator. Copying or downloading is an action you choose.
Do I need an account or a paid plan?
No. The calculation, example, result copy and result card are available without registration. VISU services are an optional next step.