🏷️ Sell-Through Rate Calculator
Measure how quickly your inventory is selling with the sell-through rate — the percentage of received stock that has been sold.
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What is sell-through rate?
Sell-through rate (STR) is a retail metric showing what percentage of inventory received from a supplier has actually been sold to customers over a given period.
The formula
Sell-Through Rate = (Units Sold / Units Received) × 100. A high sell-through rate suggests strong demand and efficient inventory turnover, while a low rate can indicate overstocking or weak demand for that product.
This calculator is for general retail and inventory-planning education.
Last reviewed August 2026