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Home›Tailoring›Clothing Size Converter

Clothing Size Converter

Compare body measurements with ready-to-wear size references and tailoring checkpoints.

CalculatorHow It WorksFAQRelated Tools

What You Can Calculate

  • Suggested top size
  • Suggested bottom size
  • Waist reference size
  • Ease added on top

Frequently Asked Questions

Enter chest, waist and hips in centimeters, choose a size system, then compare the suggested top and bottom size with the garment you plan to make.

Yes. It is common for chest, waist and hips to point to different size ranges, especially when adjusting patterns for better fit.

How this calculator works

Formula explanation

How it works: The calculator compares chest, waist and hips with a simple size chart, then suggests top and bottom ranges separately to support pattern adjustments.

Worked example

Example: Chest 92 cm, waist 74 cm and hips 98 cm usually point to an S or EU 38 style reference, with different top and bottom notes if proportions vary.

More about this calculation

Why top and bottom sizes can differ

In tailoring, it is common for chest, waist and hips to point to different size ranges. That is why a clothing size converter is more useful when it treats upper-body and lower-body references separately instead of forcing a single label for everything.

This matters most when preparing a pattern or deciding how much alteration work will be needed. A size tool can suggest a starting range, but fit usually improves when the pattern is adjusted around the measurements that matter most for the garment.

Use size conversion as a starting point, not a final fit decision

Ready-to-wear size systems are useful reference points, but they are not identical across brands, countries or garment styles. A tailoring-focused size converter helps narrow the starting range while keeping the measurement logic visible.

For a shirt, chest and shoulders may matter more than hips. For pants or a fitted skirt, waist and hips often control the final choice. That is why the same person can legitimately need two different size references depending on the garment being made.

Explore more tools in this category

See all calculators in Tailoring.

Continue with related calculators

If you need a nearby calculation or want to compare a related result, these pages are the next best places to continue.

  • Body Measurements Tool
  • Fabric Calculator
  • Seam Allowance Calculator

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