Circle Skirt Measurement Calculator: Determine Radius & Fabric for DIY Skirts

Calculate Your Circle Skirt Measurements

cm
cm

Design your perfect circle skirt with our easy-to-use Circle Skirt Measurement Calculator. Whether you're making a full, half, or quarter circle skirt, accurately determine your waist radius, hem radius, and fabric requirements. No more guesswork – achieve professional-looking results for your next sewing project with precise measurements.

Formula:

Waist Radius (R1):

  • Full Circle Skirt: R1 = Waist Circumference / (2π)
  • Half Circle Skirt: R1 = Waist Circumference / π
  • Quarter Circle Skirt: R1 = (2 × Waist Circumference) / π
Hem Radius (R2): R2 = R1 + Skirt Length
Minimum Fabric Length Required: 2 × R2
Minimum Fabric Width Required: 2 × R2
Where:
  • Waist Circumference = Your actual waist measurement
  • Skirt Length = Desired length from your waistline to the hem
  • π (Pi) ≈ 3.14159

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