Purchasing & Inventory
Average Inventory Calculator
Calculate average inventory for hotel and restaurant operations.
Days on Hand Calculator
Use this tool to review days on hand with a consistent period, denominator, and operating rule.
- No login required
- Save in this browser
- Optional account sync
- Built for hotel operators
Formula
How this calculator works
This formula converts source operating values into days on hand for quick review.
Days on Hand = Average Inventory ÷ (COGS ÷ Days in Period)
Context
Why this metric matters
Inverse-style companion to inventory turnover. Track by category for more insight than one blended number.
Hotel insight
Industry context
- Inverse-style companion to inventory turnover. Track by category for more insight than one blended number.
- Small changes in denominator rules can move the result, so keep the same reporting basis when comparing periods.
Operational notes
Before you act on the number
- $45,000 ÷ ($100,000 ÷ 30) = 13.5 days
- Confirm whether internal-use, complimentary, adjustment, or excluded activity should be included before comparing periods.
- Use this result as an operating guide and review it with the supporting business context.