Reorder Point Calculator
Running out of stock in the middle of a campaign that's working is the most expensive kind of mistake — you paid for the demand and can't serve it. Enter your sales rate and lead time to know when to reorder.
Estimates only — edit any field to match your real numbers.
Your results
Reorder at this stock level
480
Days until you should reorder
10
Days of stock left
50
Safety stock
120
Suggested order quantity
840
Frequently asked questions
How big should the safety buffer be?+
It should reflect how unreliable your lead time is, not how nervous you feel. If shipments from your supplier vary by two weeks, your buffer needs to be about two weeks.
Is this tool really free? Do I need an account?+
Free, and no account. Everything runs in your browser — we never see your numbers unless you press save to create a shareable link.