Free Tools for Clothing Brands
Calculators, size charts, and planning tools built for apparel founders and production teams. No sign-up required — just use them.
Hat & Cap Size Chart
Convert hat sizes across US, UK, EU, and cm measurements. Covers fitted, snapback, and flexfit sizing.
Glove Size Chart
Find the right glove size by hand measurement. Covers men's, women's, and children's sizing across US, EU, and UK standards.
Size Run Planner
Enter your total units and target market — get an instant size distribution recommendation with inventory risk alerts.
Size Table Builder
Build a custom size table for any garment type. Generate a clean, embeddable size guide for your product pages.
Fabric Calculator
Calculate exactly how much fabric to order for your production run — including wastage, shrinkage, and cutting loss most brands miss.
Unit Cost Tool
Break down the true cost per garment — fabric, trim, CMT, shipping, and duties — to understand your real landed cost.
Selling Price Simulator
Set your retail and wholesale price with confidence. Input your cost and target margin to see what you should be charging.
MOQ Estimator
Is a higher MOQ worth it for the better unit price? Compare scenarios and find your break-even point before committing to a factory order.
ROI Calculator
Calculate the return on investment for a production run. Know your break-even units, projected profit, and margin before you go to production.
Need more than a calculator?
Topology works directly with clothing brands on sampling, production, and supply chain setup — from first concept to full production runs.
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