Gauge Calculator
Translate the stitches and rows in a measured swatch into gauge and projected project dimensions.
Calculate your crochet gaugeHookElla maker resources
Free Crochet Tools
Turn your own swatch and pattern details into useful planning numbers with Yarnivo’s free crochet calculators and project helpers.
Explore all tools on YarnivoChoose the right helper
Start with the question you need to solve.
Each calculator uses the measurements and pattern information you enter. Keep the original pattern instructions beside you, check its stitch multiple or shaping rules, and treat every result as planning support rather than a replacement for a swatch.
Blanket Starting-Chain Calculator
Plan a blanket width while respecting the pattern’s stitch multiple, extra stitches, and foundation-chain offset.
Calculate your blanket starting chainStitch-Repeat Calculator
Check whether a target stitch count fits a repeat and find nearby compatible stitch counts.
Check a stitch repeatIncrease/Decrease Calculator
Plan evenly distributed stitch-count changes across flat crochet rows.
Plan increases or decreasesSwatch Yarn Estimator
Estimate yarn mass, skeins, and length from the area and weight of your own measured swatch.
Estimate yarn from a swatchUnit Converter
Convert supported crochet measurements between centimeters and inches, meters and yards, or grams and ounces.
Convert crochet measurementsRow Counter
Track row progress, repeat intervals, and milestones while you crochet.
Open the crochet row counterMy Projects
Keep project notes, calculation snapshots, and row progress together in this browser on this device.
Organize your crochet projectsShared ownership: HookElla and Yarnivo are both operated by Hapad Ltd. Links on this page open Yarnivo, where its own privacy and site terms apply.