Pattern Size Formula:
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Pattern size calculation determines the final dimensions of a sewing pattern by combining body measurements with ease allowance for comfort and style.
The calculator uses the pattern size formula:
Where:
Explanation: The formula combines your actual measurements with additional ease to create properly fitting garments.
Details: Proper pattern sizing ensures garments fit well, are comfortable to wear, and drape correctly on the body.
Tips: Take accurate body measurements while wearing undergarments. Ease allowance varies by garment type (e.g., 5cm for fitted, 10cm for loose).
Q1: How do I take accurate body measurements?
A: Use a flexible tape measure, stand naturally, and measure over undergarments at the fullest part of each area.
Q2: What's typical ease allowance?
A: Varies by garment: 2-5cm for fitted, 5-10cm for semi-fitted, 10-15cm for loose styles.
Q3: Should I use the same ease for all patterns?
A: No, adjust based on garment type, fabric stretch, and personal preference for fit.
Q4: How does this differ from commercial pattern sizes?
A: Commercial patterns include their own ease - this calculator helps customize or draft patterns.
Q5: What if my measurements fall between sizes?
A: Grade between sizes or adjust ease allowance to achieve perfect fit.