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Operations

Fill rate

Fill rate measures what share of demand can be fulfilled immediately from available inventory.

Also known as

Order fill rate

Direct answer

What is Fill rate?

Fill rate measures what share of demand can be fulfilled immediately from available inventory. It connects inventory planning with customer experience and revenue. The economic target varies by margin, replenishment time, and strategic importance.

Formula

Fill rate = units fulfilled immediately ÷ units demanded

Practical example

Of 10,000 requested units, 9,700 ship immediately. The unit fill rate is 97 percent.

What teams should remember

Fill rate measures what share of demand can be fulfilled immediately from available inventory.

It connects inventory planning with customer experience and revenue. The economic target varies by margin, replenishment time, and strategic importance.