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Sell-Through Rate Calculator for Fashion & Retail

See whether your current sales pace will clear enough inventory before the selling window closes.

Sell-through rate shows how much of the inventory you received has actually sold. On its own, that percentage only describes the past. The more useful question is whether the pace behind it is strong enough for the weeks you have left.

This planner connects current sell-through, weekly sales velocity, remaining stock and your target. It also estimates the stock and margin exposed if the current pace continues and the remaining units need a markdown.

How to use it: Enter one product, collection or buying period at a time. Keep received units, sold units and weeks within the same cohort. Every result updates immediately as you change a figure.

Your inventory

Change any figure. Results update instantly.

Units receivedThe total units available for this product, collection or buying period. Use one consistent cohort rather than mixing replenishment windows.
units
Units soldUnits sold from the same stock cohort. Exclude cancelled orders and use net units if returns have already been processed.
units
Weeks elapsedThe number of selling weeks already completed. This establishes the current weekly sales velocity.
weeks
Weeks remainingThe usable full-price or planned selling window left before a seasonal change, launch replacement or clearance decision.
weeks
Target sell-throughThe share of received units you want sold by the end of the period. A target below 100% can leave room for returns, late sales or intentional carryover.
%
Average selling priceThe average realized selling price before any future markdown. Use the actual blended price when the product already sells through multiple channels or promotions.
$
Unit product costThe landed product cost per unit. Keep the definition consistent with the cost used in your gross-margin reporting.
$
Expected markdownThe percentage price reduction you may use on stock that remains beyond the planned window. This is a scenario input, not a recommendation.
%
Your sell-through position

At the current pace, you are projected to finish 4 points above your target.

Projected84%Target80%
Inventory trajectory
84%Projected sell-through
Current paceTarget
StartNowWindow end80% target
Current sell-through42%
Current weekly velocity70 units
Velocity required63.3 units
Projected stock remaining160 units

Current vs Conservative

Decision brief
Projected sell-through84%72%
Units remaining160280
Markdown revenue exposed$14,400$23,520
Gross profit after markdown$7,680$11,760

This is a planning estimate based on the figures you enter. It does not forecast demand or account for every return, cancellation, channel difference or replenishment event.

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