Days of supply calculator

Enter your current stock on hand and your average daily usage to find out exactly how many days of inventory you have left and when you will run out.

Stock on hand (units)

Average daily usage (units/day)

Start date

Safety stock (units)

Runs entirely in your browser. Nothing is uploaded or stored.

How it works

STEP 1

Type the current quantity of units available in your inventory right now.

STEP 2

Provide your average daily demand or consumption rate in the same units.

STEP 3

See the days of supply remaining and the projected stockout date instantly.