Tufting Yarn Calculator

Mode

Beginner Advanced

Upload image (PNG/JPG)

Tip: Use a PNG with transparent background for irregular shapes (e.g. a fox rug).

Unit system

Rug width (cm) i Rug height (cm) i

Keep image proportions

When enabled, changing width or height will keep the same aspect ratio as the original image.

Pile type i Pile height (mm) i Density i

Lines per cm i Stitches per cm (along the line)

Yarn name / type i Number of strands held together i

Yarn weight (g per meter, single strand) i or Yarn length (m per kg, single strand) i

Yarn price (per kg) or Skein weight (g) Skein price

Fill either price per kg, or skein weight + skein price. The app computes the cost automatically.

Wastage factor (%) i

Yarn helper

Fill any one of these rows and click “Apply to fields”.

Label length (m) Label weight (g)

m per 100 g

Tex (g per 1000 m)

Color tolerance i 40 Minimum color area (%) i Transparency threshold (0–255) i

Match pixels to the palette below

Add the yarn colors you have in stock. When enabled, the app assigns every pixel to the nearest palette color instead of clustering automatically.

Palette name

No colors yet. Click “Add color” to build your palette.

Load predefined palette

Saved palettes

Palettes are stored locally on this device. You can also import/export JSON files to share them.

Remember my last settings on this device

Load preset

Overlay mode Dim level (%) Analysis resolution

No image loaded yet.

Run the analysis to see the remapped colors.

Rename selected

No analysis yet. Upload an image and click “Analyze image”.

Hover or tap on labels to learn more about each parameter. Later we’ll add detailed explanations and small “how to measure” wizards.