Dress Size Converter

About the Dress Size Converter

Converts women's dress sizes across US, UK, EU and Australian standards. Sizing varies by brand and cut, so use it as a guide.

How to use

Enter a size and its region, then click Convert.

Worked example

US 6 ≈ UK 10 ≈ EU 38 ≈ AU 10.

How to use this calculator

1. Choose the starting size system, such as US, UK, EU, or AU.
2. Enter or select the dress size you want to convert.
3. Pick the target size system you want to see.
4. Read the converted size and check any notes if the tool shows them.

The formula explained

• \(S_{source}\) = the dress size in the starting system
• \(S_{target}\) = the converted dress size in the target system
• \(f\) = the size conversion mapping or lookup between US, UK, EU, and AU

Step by step method

1. Identify the size you already know and the country system it belongs to.
2. Select the system you want to convert into.
3. Use the tool to map the source size to the target size.
4. Compare the result with the tool's size guidance before making a purchase.

Worked example

Suppose you have a US dress size 8 and want to see the equivalent in UK, EU, and AU sizing.

1. Start with US size 8.
2. Use the converter to map it to the other systems: UK 12, EU 40, and AU 12.
3. Check that the result is consistent across the tool's size chart if it provides one.

Tips and common mistakes

• Dress sizes can vary by brand, so treat the converter as a starting point, not an absolute guarantee.
• Make sure you are converting the correct category, since womenswear sizing is not the same as men's or children's sizing.
• If you are between sizes, use the larger size when comfort or fabric stretch matters.
• Always double-check the tool's notes if the size system uses different conventions for specific regions.

Frequently asked questions