Garment & Textile Calculators

Practical calculators and converters for garment planning, fabric measurements and sewing math.

Estimate linear fabric required for garments with waste.

Estimate sewing thread from seam length and stitch factor.

Combine fabric, trims, labor, overhead and margin.

Estimate output from operators, hours, SMV and efficiency.

Compare approximate US, UK, EU and international sizes.

Convert fabric width, length and rectangular area.

Calculate a uniform pattern scale factor and percentage.

Convert SPI to average stitch length and back.