Should I measure sell-through by units or revenue?

Units first, then revenue. Unit sell-through tells you if customers want the product. Revenue sell-through tells you if the pricing is right. If units are high but revenue sell-through is low, you are discounting too hard. If units are low regardless, it is a demand issue.

How often should I calculate this?

Weekly at the brand level and monthly at the SKU level. If you sell fast-moving goods, compute daily sell-through on your top 20 SKUs so you catch stockouts before they happen. Slow-moving categories can be measured monthly without losing signal.

What counts as units received?

Units received is what arrived at your warehouse during the period, not what you ordered. Use the PO receipt date. If you are calculating lifetime sell-through for a collection, use the total units ever received for those SKUs.

Does sell-through include returns?

Standard sell-through uses gross units sold. Net sell-through subtracts returns, which is what you want for financial planning. For buying decisions, gross is fine because returns come back as resellable stock anyway.

Analytics · Free Tool

Sell-Through Rate Calculator

Measure what percent of stock you actually moved in a period. A healthy sell-through rate means your buying is tight and your marketing is working. A low one means cash is stuck on shelves.

Sell-Through Rate = Units Sold ÷ Units Received × 100

Units sold

Units received

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How to use this Sell-Through Rate Calculator

Sell-through rate tells you how quickly inventory converts into cash. Every unit sitting in a warehouse is money you cannot spend on ads, new product, or payroll. Measure it at the SKU level, not just at the brand level, because one line selling at 90 percent can hide five SKUs stuck at 20 percent.

The right measurement window depends on how you buy. If you replenish weekly, calculate weekly sell-through. If you place seasonal orders, measure over the full season. Most DTC apparel brands target 60 to 70 percent sell-through in the first four weeks of a drop, then push through markdowns to clear the rest before the next season lands. If you are in evergreen categories, set a 30-day rolling target and reorder anything above 70 percent.

Low sell-through is almost never a pricing problem alone. More often it is a demand signal: the product is fine but nobody has seen a compelling ad for it. Before you discount, try three new creative angles. If ads still underperform, then markdown.

Frequently Asked Questions

Most DTC brands aim for 60 to 70 percent sell-through in the first month, rising toward 80 to 90 percent by the end of the season. Fashion runs tighter because styles age fast. Evergreen categories like supplements or home goods should clear 80 percent within a 60-day window.

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