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.
ការគណនាការប្រើប្រាស់ខ្សែស្រឡាយលើអ៊ីនធឺណិតឥតគិតថ្លៃដែលដំណើរការភ្លាមៗនៅក្នុងកម្មវិធីរុករករបស់អ្នក។ គ្មានការចុះឈ្មោះ គ្មានដែនកំណត់ - គ្រាន់តែបញ្ចូលតម្លៃរបស់អ្នក និងទទួលបានលទ្ធផល។
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