Retail math · By role
Retail Math for Designers in Apparel
Target cost, line-count, and depth math every apparel design and product development team uses before the first sample is cut.
5 formulas for designer / product devs
Margin
Target Costing
Target Cost = Retail Price × (1 − Target IMU %)
Inventory
Total Line Count (Styles × Colors)
Total SKUs = Styles × Colors × Sizes
Margin
Cost-to-Ticket Ratio
Cost-to-Ticket = Cost ÷ Retail Price
Inventory
Style-Color Depth
Units per Style-Color = Total Buy Units ÷ (Styles × Colors)
InventoryAlso: Buyer
Size Curve Allocation
Units per Size = Total Buy × Size % from Curve
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Designers run this math in RetailNorthstar — live.
One connected system from plan to allocation. No more reconciling the spreadsheet, the BI dashboard, and the buy file against each other.
Connected merchandise planning — live in weeks, not quarters.