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X-Facture Finance Engine

Inventory Days Calculator

Calculate days inventory outstanding from average inventory and annual cost of goods sold.

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Calculator inputs

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Your result

Calculated from the values above
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Inventory days304.17 daysPrimary calculated value
Annual turnoverSupporting metric
1.20
CalculationBased on your current inputs
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How it works

Method, formula and practical notes

Compare average inventory with the annual cost of goods sold to estimate how many days of COGS are held in inventory.

FormulaInventory days = Average inventory ÷ COGS × 365.
lightbulb Keep in mind
  • Average inventory is preferable to a single ending balance.
Calculator guide

Inventory Days Calculator

Calculate days inventory outstanding from average inventory and annual cost of goods sold.

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Formula

Inventory days = Average inventory ÷ COGS × 365.

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How it works

Compare average inventory with the annual cost of goods sold to estimate how many days of COGS are held in inventory.

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Assumptions & notes

  • Average inventory is preferable to a single ending balance.