Calculators that explain themselves
Working tools for yarn, crochet, fabric and sewing measurements. Every result includes its assumptions.
Yarn Requirement Calculator
Use known measurements to calculate a practical yarn requirement result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Blanket planningCrochet Blanket Size Calculator
Use known measurements to calculate a practical crochet blanket size result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Gauge checkCrochet Gauge Calculator
Use known measurements to calculate a practical crochet gauge result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Motif planningGranny Square Quantity Calculator
Use known measurements to calculate a practical granny square quantity result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Count planningCrochet Stitch Count Calculator
Use known measurements to calculate a practical crochet stitch count result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Count planningCrochet Row Count Calculator
Use known measurements to calculate a practical crochet row count result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Hook referenceCrochet Hook Size Converter
Use known measurements to calculate a practical crochet hook size converter result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Yarn referenceYarn Weight Reference Converter
Use known measurements to calculate a practical yarn weight reference converter result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Length conversionYarn Length Converter
Use known measurements to calculate a practical yarn length converter result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Yarn planningSkein Quantity Calculator
Use known measurements to calculate a practical skein quantity result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Pattern planningCrochet Pattern Resize Calculator
Use known measurements to calculate a practical crochet pattern resize result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Fabric planningFabric Yardage Calculator
Use known measurements to calculate a practical fabric yardage result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Window planningCurtain Fabric Calculator
Use known measurements to calculate a practical curtain fabric result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Cushion planningCushion Fabric Calculator
Use known measurements to calculate a practical cushion fabric result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Cutting helpSeam Allowance Calculator
Use known measurements to calculate a practical seam allowance result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Pre-wash planningFabric Shrinkage Calculator
Use known measurements to calculate a practical fabric shrinkage result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Width conversionFabric Width Converter
Use known measurements to calculate a practical fabric width converter result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Exact conversionInches to Centimeters Converter
Use known measurements to calculate a practical inches to centimeters converter result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Exact conversionCentimeters to Inches Converter
Use known measurements to calculate a practical centimeters to inches converter result. The tool keeps units consistent and shows where real material behaviour may change the answer.
Open calculator →Garment planningButton Spacing Calculator
Use known measurements to calculate a practical button spacing result. The tool keeps units consistent and shows where real material behaviour may change the answer.
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