Yarn Yardage Gauge
Calculator
Yarn per cm² of swatch (cm)
4.5
Results
- Yarn per cm² of swatch (cm)
- 4.5
- Finished piece area (cm²)
- 3,500
- Yarn needed (cm)
- 17,325
- Yarn needed (m)
- 173.25
Craft results
| Yarn per cm² of swatch (cm) | 4.5 |
| Finished piece area (cm²) | 3,500 |
| Yarn needed (cm) | 17,325 |
| Yarn needed (m) | 173.25 |
formula-map diagram
- Yarn per cm² of swatch (cm)
- 4.5
- Finished piece area (cm²)
- 3,500
- Yarn needed (cm)
- 17,325
- Yarn needed (m)
- 173.25
Formula breakdown
Formula
L = (swatch yarn ÷ swatch area) × finished area × (1 + ease)= 4.5
Note
Simplified model: these are standard craft estimates based on rectangular layouts, quoted gauge and nominal densities. Real fabric nap, directional prints, shrinkage, pattern matching, yarn lots and supplier SAP values vary, so always make a swatch or test piece and buy a little extra.