THE LEARNING LIBRARY

Understand the numbers. Make with confidence.

Seven original English guides explain our ten calculators through worked examples, assumptions and practical checks.

CRAFTNUMA EDITORIAL · ENGLISH

From pattern to tape measure ↗

A practical guide to converting inches, centimetres and yards without confusing length, fabric quantity and garment fit.

CRAFTNUMA EDITORIAL · ENGLISH

A worked fabric layout with seam allowances, usable width, waste and lengthwise shrinkage kept separate.

CRAFTNUMA EDITORIAL · ENGLISH

Calculate stitch and row counts from a measured sample, then check rounding, pattern repeats and the limits of a rectangular estimate.

CRAFTNUMA EDITORIAL · ENGLISH

Convert yarn-label units and calculate whole balls from a known length without confusing weight, gauge or substitutions.

CRAFTNUMA EDITORIAL · ENGLISH

Compare matching body and finished-garment circumferences, including negative ease, without treating the result as a universal sizing chart.

CRAFTNUMA EDITORIAL · ENGLISH

Work through square counts, cutting allowances, quilt perimeter and binding join losses using transparent rectangular geometry.

CRAFTNUMA EDITORIAL · ENGLISH

Use square-unit conversions correctly and understand why equal areas can still produce different cutting layouts.