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Days Inventory Outstanding Calculator
Compute days inventory outstanding (DIO) from average inventory and cost of goods sold.
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Days inventory outstanding
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Compute days inventory outstanding (DIO) from average inventory and cost of goods sold.
Days Inventory Outstanding Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: DIO = inventory / COGS x days.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Days Quick Guide
Typical values for reference.
| Inventory | COGS | Days | DIO |
|---|---|---|---|
| 120000 | 900000 | 365 | 48.7 days |
| 50000 | 400000 | 365 | 45.6 days |
| 300000 | 1200000 | 365 | 91.3 days |
| 20000 | 600000 | 365 | 12.2 days |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Days Inventory Outstanding Calculator FAQ
Answers to common questions about this calculator.
The average days it takes to sell inventory.
Usually, as stock ties up cash.
It depends on the industry.
No.