Inventory calculator
Reorder point calculator
All demand figures are in the same units per day.
Inputs
Enter valid numbers. Calculations run entirely in your browser.
Results
Reorder point (units)
—
Example
Demand 20/day, lead 5, safety 40 → ROP = 140.
Explanation
ROP covers expected consumption during lead time plus safety buffer.
FAQ
Lot size?
ROP triggers timing; EOQ or MOQ sets order quantity.