Free Apparel Calculators & Tools
Free online calculators and converters for pattern makers and clothing brands: fabric weight (GSM to oz/yd²), fabric shrinkage, marker efficiency, garment SAM, size charts, and retail pricing. Enter your details and get your result right away. All tools are free to use during our beta.
Unit Converter
Execute precise conversions between imperial and metric units for pattern drafting and developing technical specification packages.
Launch ToolFabric Shrinkage
Calculate X/Y axis dimensional stability variations to accurately adjust digital patterns prior to grading and marker generation.
Launch ToolFabric Weight
Convert and calculate textile yield (GSM to oz/yd²) to ensure accurate material sourcing and preliminary cost estimation.
Launch ToolSize Chart Generator
Standardize Points of Measurement (POM) and generate accurate grade rules for specification development across size runs.
Launch ToolPattern Card Maker
Build a multi-page pattern card with piece, cut, and yield tables, sketches, and fabric swatches, then export it as a PDF.
Launch ToolMarker Efficiency
Compute the precise percentage of fabric utilization within a cut file to optimize yield and lower per-unit material costs.
Launch ToolRetail Pricing
Calculate comprehensive margins and markups by incorporating your BOM, direct labor, and overhead to define MSRP targets.
Launch ToolGarment SAM
Quantify the Standard Allowed Minutes (SAM) required for garment assembly to facilitate line balancing and direct labor costing.
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