Reorder Point Calculator

Calculate the inventory level at which a new purchase order should be triggered.

InputsChange a value to recalculate instantly

Average daily demand

Lead time

days

Safety stock

ResultUpdates as you type

Reorder point215 units

How it worksTransparent math

Calculation details are shown above.

Result breakdownSee the important numbers together

1Reorder point215 units

λ DooMathWork with this calculation

Local · deterministic · optional

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Quick mathNatural-language-style shortcuts for deterministic arithmetic.

Calculator guide

How to use the Reorder Point Calculator

Calculate the inventory level at which a new purchase order should be triggered.

01Set inputsChoose values, units and assumptions.

02Apply the modelReorder point = Average daily demand × Lead time + Safety stock.

03Read the resultCheck the output against the assumptions before using it.

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Multiply daily demand by supplier lead time and add the desired safety-stock buffer.

functions

Reorder point = Average daily demand × Lead time + Safety stock.

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