US
31
=
Japan
15
Also: UK 14EU 42INT LIT 48FR 44
Nearby Sizes
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Full Size Chart
| US | UK | EU | INT | IT | FR | JP |
|---|---|---|---|---|---|---|
| 24 | 4 | 30 | XXS | 36 | 32 | 3 |
| 25 | 6 | 32 | XS | 38 | 34 | 5 |
| 26 | 8 | 34 | S | 40 | 36 | 7 |
| 27 | 10 | 36 | S | 42 | 38 | 9 |
| 28 | 10 | 38 | M | 44 | 40 | 11 |
| 29 | 12 | 38 | M | 44 | 40 | 11 |
| 30 | 14 | 40 | L | 46 | 42 | 13 |
| 31 | 14 | 42 | L | 48 | 44 | 15 |
| 32 | 16 | 44 | XL | 50 | 46 | 17 |
| 33 | 18 | 46 | XL | 52 | 48 | 19 |
| 34 | 20 | 48 | XXL | 54 | 50 | 21 |
Convert US 31 to Other Systems
Looking for the JP equivalent of US 31? In standard women's pants sizing, it converts to JP 15. These conversions are based on industry-standard measurements. Individual brands may have minor sizing differences, so checking the brand's own sizing guide alongside this conversion can help ensure a perfect fit.
Frequently Asked Questions
What is US 31 in JP women's pants?
US size 31 in women's pants is equivalent to JP size 15. This conversion is based on standard international sizing charts and is widely accepted across brands and retailers.
What is US 31 in other sizing systems?
US size 31 in women's pants converts to: UK 14, EU 42, INT L. Use our converter above to see all available systems.
Is US 31 the same as JP 15?
Yes, US 31 is equivalent to JP 15 in standard women's pants sizing. However, fit can vary between brands, so trying on items or checking brand-specific size charts is always recommended.
How accurate are pants size conversions?
Our size conversions are based on international standards and verified against multiple authoritative sources. They represent the most widely accepted equivalents. However, individual brands may size slightly differently, so we recommend trying items on when possible or checking the brand's own size guide.