A tool for the next question.

Fourteen focused calculators. Clear inputs, visible methods, no account.

14 tools available.

Plan your warp

Warp length calculator

Find how long to wind each end, including shrinkage, take-up, loom waste, and gaps.

Plan your warp

Warp yarn yardage calculator

Turn an end count and winding length into total warp yarn and a purchase reserve.

Plan your warp

Weft yarn calculator

Estimate weft from on-loom length, reed width, pick density, and extra yarn per pick.

Measure and adjust

Weaving shrinkage calculator

Measure sample loss or growth and calculate the starting size needed for a finished target.

Plan your warp

Warp ends and threading repeat calculator

Calculate body ends, round up to a complete threading repeat, and add floating ends.

At the loom

Reed substitution calculator

Find a repeating ends-per-dent sequence and see the sett it actually produces.

Measure and adjust

EPI to ends per centimeter converter

Convert weaving density without confusing ends per centimeter with ends per ten centimeters.

Buy your yarn

Yarn length to weight calculator

Use the length and weight printed on a yarn label to estimate the grams a project needs.

Buy your yarn

Yarn cone and skein quantity calculator

Round a yarn requirement up to whole packages and see what remains after your reserve.

Measure and adjust

Weaving yards to meters converter

Convert yarn yardage into meters, centimeters, and inches using exact unit definitions.

Buy your yarn

Handwoven project cost calculator

Combine entered material and labor costs, then explore a target gross margin.

Measure and adjust

Sample to finished fabric weight calculator

Scale a finished sample’s mass by area to estimate the mass of a larger piece of cloth.

At the loom

Straight-draw heddle count calculator

Count heddles per shaft for a straight draw beginning on shaft one.

Plan your warp

Warp color allocation calculator

Split a fixed end count across three color weights, preserving the exact total.