Pattern Sizing Calculator
Determine your sewing pattern size based on your body measurements. Includes guidance for different pattern brands.
Your Measurements
Measure above the bust, under arms
Recommended Pattern Size
12/M
Based on bust measurement
Size by Measurement
Bust Size12/M (-0.5")
Waist Size10/M (+0.5")
Hip Size12/M (-0.5")
Bust Adjustment
Cup Size EstimateB
Cup Difference2.0"
Grading Recommendation
Your measurements span multiple sizes. Consider grading between sizes for a better fit - cut the pattern at different sizes for bust, waist, and hips, blending the lines between.
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.