Thread Consumption Calculator
Calculate thread consumption with this free online tool
Thread Consumption Calculator
Estimate how much thread you need for your sewing project based on seam length, stitch type, and fabric layers.
How to Use
- Select your project type — this adjusts for typical waste and extra seams.
- Enter the total seam length in centimeters (measure all seams you will sew).
- Enter how many separate seams (e.g., 4 side seams = 4).
- Choose your stitch type — overlock uses more thread than straight stitch.
- Select the number of fabric layers being sewn through.
- Click Calculate to see total thread needed, spool count, and bobbin count.
Thread multipliers: Straight = 2.5×, Zigzag = 3×, Overlock = 3.5×, Triple = 4.5× seam length.
Tip: Always buy one extra spool — running out mid-project is frustrating!
🔒 Privacy Note: All calculations run entirely in your browser. No project details or measurements are transmitted or stored.
Kikokotoo cha matumizi ya nyuzi mtandaoni bila malipo ambacho hufanya kazi papo hapo kwenye kivinjari chako. Hakuna usajili, hakuna kikomo - ingiza tu maadili yako na upate matokeo.
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