What is sell-through rate?

Sell-through rate is the percentage of inventory sold during a specific period. It's calculated by dividing the number of units sold by the number of units available (beginning inventory plus any new stock) and multiplying by 100.

How do I calculate sell-through rate?

Use the formula: (Units Sold / Units Available) × 100. For example, if you had 100 units available and sold 40, your sell-through rate is 40%. The calculator also shows units remaining (units available minus units sold).

What is a good sell-through rate?

A good sell-through rate varies by industry, but generally 80% or higher is considered excellent, while below 40% may indicate overstocking or slow sales. Use the calculator to track your performance over time.

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Sell-Through Rate Calculator.

Calculate sold inventory as a percentage of available inventory.

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02 / 答案

Units sold

Units available

Sell-through rate

75%

Units remaining

Cite this calculator

Canonical URL: https://mathify.one/zh/finance/sell-through-rate

Cite as: Mathify. (n.d.). Sell-Through Rate Calculator. https://mathify.one/zh/finance/sell-through-rate

Use Cases

Retail Inventory Management

Monitor how quickly your stock sells to make informed purchasing decisions and avoid overstocking or stockouts.

Example: A boutique owner calculates sell-through rate monthly to decide which products to reorder.

E-commerce Performance Tracking

Evaluate the success of product listings and marketing campaigns by measuring sell-through rate.

Example: An Amazon seller uses the calculator to compare sell-through rates across different SKUs.

Frequently Asked Questions

What is sell-through rate?: Sell-through rate is the percentage of inventory sold during a specific period. It's calculated by dividing the number of units sold by the number of units available (beginning inventory plus any new stock) and multiplying by 100.
How do I calculate sell-through rate?: Use the formula: (Units Sold / Units Available) × 100. For example, if you had 100 units available and sold 40, your sell-through rate is 40%. The calculator also shows units remaining (units available minus units sold).
What is a good sell-through rate?: A good sell-through rate varies by industry, but generally 80% or higher is considered excellent, while below 40% may indicate overstocking or slow sales. Use the calculator to track your performance over time.

Tips & Common Mistakes

Tips

Ensure you input the total units available, including beginning inventory and any new stock received during the period.
Use consistent time periods (e.g., monthly, quarterly) for accurate comparisons.
Track sell-through rate regularly to identify trends and adjust pricing or promotions.
Combine sell-through rate with other metrics like inventory turnover for a fuller picture.

Common Mistakes to Avoid

Forgetting to include new inventory received during the period in the 'units available' field.
Using the number of units sold instead of units available in the denominator, which inflates the rate.
Comparing sell-through rates across different time periods without adjusting for seasonality.

Last updated: August 13, 2026