Inventory finance
Sell-Through Rate
By the Supply Chain Manager team · Updated October 16, 2026
Sell-through rate is the percentage of stock received over a period that was actually sold in that period.
It is widely used in retail and for seasonal or new products: did what we bought actually sell? Low sell-through on a new line is an early sign it was over-bought.
Sell-through is most useful when tracked over time for the same product or season. A new line that sells through 30% in its first month and 60% in its second is behaving very differently from one that sold 40% in month one and then stalled. The trend tells you whether to reorder before the data looks conclusive.
How to calculate sell-through rate
Sell-Through % = Units sold ÷ (Opening units + Units received) × 100
Sell-through rate example
Illustrative numbers: 200 units on hand at the start of the season, 800 received, 650 sold. Sell-through = 650 ÷ 1,000 = 65%, leaving 350 units to clear or carry over.
Why sell-through rate matters for distributors
For distributors trialling new lines or buying for a season, sell-through shows quickly whether to reorder, hold or stop.
Common sell-through rate mistakes
- Measuring over too short a period for slow-selling lines.
- Ignoring returns, which inflate apparent sales.
Examples on this page use made-up round numbers to show the calculation. They are not benchmarks or results from real businesses.