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Women’s Jeans Size Calculator
Finding the right jeans size can be tricky with different sizing systems around the world. Our women’s jeans size calculator helps you convert your measurements into accurate sizes for US, UK, EU, Australia, and Japan. Simply enter your waist and hip measurements to get instant size recommendations across all major international sizing standards.
Key Measurements for Women’s Jeans Size
Getting the right jeans size starts with accurate measurements. The two most important measurements you need are your waist and hip circumference. Your waist should be measured at the narrowest point, usually about an inch above your belly button. For hips, measure around the fullest part of your buttocks.
Women’s jeans sizing varies significantly between countries and brands. Most US brands use numeric sizes like 0, 2, 4, 6, while European brands typically use sizes like 34, 36, 38. Understanding these differences helps you shop confidently from international retailers.
Key measurements include:
- Waist: Measure around the narrowest part of your natural waistline
- Hips: Measure around the fullest part of your hips and buttocks
- Inseam: Measure from the crotch seam down to your ankle
- Rise: The distance from the crotch seam to the top of the waistband

Women’s Jeans Size Conversion Charts
Size conversions between different countries can be confusing. A US size 8 typically converts to a UK size 12, EU size 38, and AU size 12. However, these conversions aren’t always exact because different regions have different sizing standards and fit preferences.
When shopping internationally, always check the brand’s specific size chart. Some European brands run smaller than US brands, while Asian brands often run significantly smaller. It’s helpful to know your measurements in both inches and centimeters for accurate conversions.
US to UK, EU, AU, Japan Conversion Table
| US Size | UK Size | EU Size | AU Size | Japan Size | Waist (inches) |
|---|---|---|---|---|---|
| 0 | 4 | 30 | 4 | 3 | 23-24 |
| 2 | 6 | 32 | 6 | 5 | 24-25 |
| 4 | 8 | 34 | 8 | 7 | 25-26 |
| 6 | 10 | 36 | 10 | 9 | 27-28 |
| 8 | 12 | 38 | 12 | 11 | 28-29 |
| 10 | 14 | 40 | 14 | 13 | 29-30 |
| 12 | 16 | 42 | 16 | 15 | 31-32 |
| 14 | 18 | 44 | 18 | 17 | 32-33 |
| 16 | 20 | 46 | 20 | 19 | 34-35 |
| 18 | 22 | 48 | 22 | 21 | 36-37 |
Women’s Jeans Size Chart (in Inches)
| US Size | Waist (in) | Hips (in) | Letter Size |
|---|---|---|---|
| 0 | 23-24 | 33-34 | XXS |
| 2 | 24-25 | 34-35 | XS |
| 4 | 25-26 | 35-36 | XS/S |
| 6 | 27-28 | 37-38 | S |
| 8 | 28-29 | 38-39 | S/M |
| 10 | 29-30 | 39-40 | M |
| 12 | 31-32 | 41-42 | M/L |
| 14 | 32-33 | 42-43 | L |
| 16 | 34-35 | 44-45 | L/XL |
| 18 | 36-37 | 46-47 | XL |
Popular Brand Size Notes
Different brands have their own sizing quirks. Understanding these differences can save you from ordering the wrong size. Here’s what you should know about popular jeans brands:
- Levi’s: Tend to run true to size. Known for consistent sizing across styles.
- American Eagle: Sizes run slightly larger. Consider sizing down if between sizes.
- Madewell: True to size with a relaxed fit. Great for curvy body types.
- Topshop: UK brand that runs small. Size up one size from US sizing.
- Zara: European sizing runs smaller. Often size up one to two sizes.
- Gap: Generally true to size with consistent measurements across styles.
- Citizens of Humanity: Premium denim that runs true to size with stretch.
- ASOS: True to size but check individual product measurements as they carry multiple brands.

How to Measure Yourself Correctly
Accurate measurements are essential for finding jeans that fit perfectly. Use a flexible measuring tape and wear thin clothing or underwear for the most precise results. Here’s how to take each measurement correctly:
Waist Measurement: Find your natural waistline by bending to the side. The crease that forms is your natural waist. Wrap the measuring tape around this point, keeping it parallel to the floor. The tape should be snug but not tight. Don’t suck in your stomach.
Hip Measurement: Stand with your feet together. Measure around the fullest part of your hips and buttocks, usually about 7-9 inches below your waist. Keep the tape parallel to the floor and make sure it’s not twisted.
Inseam Measurement: Wear shoes with the heel height you plan to wear with your jeans. Measure from the crotch seam down the inside of your leg to where you want the jeans to end. This is typically at your ankle bone.
Rise Measurement: This is the distance from the crotch seam to the top of the waistband. Low-rise jeans sit below your natural waist, mid-rise at your natural waist, and high-rise above it. Choose based on your comfort and style preference.
Size Tips for Online Shopping
Shopping for jeans online requires a bit more strategy than shopping in stores. Always read customer reviews to understand how a particular style fits. Many reviewers mention if jeans run small, large, or true to size. This real-world feedback is invaluable.
Check the product description for fabric composition. Jeans with 2% or more elastane will have stretch and may fit differently than 100% cotton denim. Stretch jeans are more forgiving and comfortable but may stretch out with wear. Non-stretch denim maintains its shape better but offers less flexibility.
Here are essential tips for successful online jeans shopping:
- Always check the retailer’s specific size chart, not just standard conversions
- Compare your measurements to the flat garment measurements if provided
- Read at least 10-15 reviews to get a good sense of fit consistency
- Look for reviews from people with similar body types to yours
- Check the return policy before purchasing, especially for international orders
- Consider ordering two sizes if you’re unsure and return one
- Save jeans that fit you well and note their measurements for future reference
- Take note of the model’s measurements and what size they’re wearing
- Understand that different cuts (skinny, bootcut, boyfriend) may fit differently in the same size
FAQs about Women’s Jeans Size Calculator
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