Reorder Point Calculator
From daily sales and lead time — when to order, how much to order. No data is saved, just the calculation.
Enter your numbers
Average units sold per day.
Days from placing the order to receiving the goods.
Extra days of stock for emergencies.
Units you have on hand right now.
Result
Reorder Point
0
units — order at this point
Order Quantity
0
units to order
Status
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| Part | Value |
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How to use
- Avg daily sales — enter last 1-2 months of sales per day.
- Lead time = days from ordering with the supplier to receiving the goods.
- Safety stock = buffer for delays or sudden sales increases (usually 2-5 days).
- Press Calculate — you will get the reorder point, order qty and whether to order now.
Formula: Reorder Point = (Daily Sales × Lead Time) + (Daily Sales × Safety Days). Suggested Order = Reorder Point − Current Stock. This is an estimate, not a guarantee.
Frequently Asked Questions (FAQ)
How is the reorder point calculated?
Average daily sales times supplier lead time, plus a safety buffer of daily sales times your safety-stock days.
What inputs does the reorder point calculator need?
Average daily sales in units, lead time in days, safety stock in days, and your current stock on hand.
What does the ORDER NOW warning mean?
Your current stock is at or below the reorder point — order the suggested quantity now to avoid running out.
What is the suggested order quantity?
The reorder point minus your current stock, rounded up — zero if you already hold enough.