Sizing errors are among the most expensive mistakes in fashion resale. A mismatched size leads to returns, negative reviews, and lost profit. Integrating a size conversion system directly into your fishgoo spreadsheet prevents these costly errors and builds customer trust through accurate listings.
Why Size Conversions Belong in Your Spreadsheet
International suppliers use different sizing standards. A Korean hoodie marked Large fits like a US Medium. European sneaker size 42 equals US 9 but varies slightly by brand. The fishgoo spreadsheet guide system recommends adding a "Size Standard" column alongside your primary size field so you always know which measurement system your supplier used.
- Supplier Consistency: Asian suppliers often run 1-2 sizes smaller than US standards.
- Marketplace Requirements: eBay and GOAT require US sizing. European platforms often need EU or UK.
- Customer Clarity: Listing a sneaker as "EU 43 / US 9.5" prevents 90% of size-related returns.
- Cross-Border Buying: When sourcing from overseas, convert before purchasing to ensure you order inventory your customers actually wear.
Sneaker Size Conversion Table
| US (Mens) | US (Womens) | UK | EU | CM (Japan) |
|---|---|---|---|---|
| 6 | 7.5 | 5.5 | 38.5 | 24 |
| 7 | 8.5 | 6 | 39 | 25 |
| 8 | 9.5 | 7 | 41 | 26 |
| 9 | 10.5 | 8 | 42.5 | 27 |
| 10 | 11.5 | 9 | 44 | 28 |
| 11 | 12.5 | 10 | 45 | 29 |
| 12 | 13.5 | 11 | 46.5 | 30 |
| 13 | 14.5 | 12 | 48 | 31 |
Find Sneakers in Every Size
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Shop SneakersApparel Size Conversion Reference
| US Size | UK Size | EU Size | Chest (inches) | Waist (inches) |
|---|---|---|---|---|
| XS | 34 | 44 | 34-36 | 28-30 |
| S | 36 | 46 | 36-38 | 30-32 |
| M | 38 | 48 | 38-40 | 32-34 |
| L | 40 | 50-52 | 40-42 | 34-36 |
| XL | 42 | 54 | 42-44 | 36-38 |
| XXL | 44 | 56 | 44-46 | 38-40 |
Building Conversion Formulas
Add a "Converted Size" column in your learn fishgoo spreadsheet that automatically converts supplier sizes to your target market standard. For sneakers, create a lookup table in a separate sheet tab named "SizeChart" and use VLOOKUP:
This formula looks up the supplier size in your conversion chart and returns the US equivalent from column 3. Set the match type to FALSE for exact matches only.
Frequently Asked Questions
Do brands vary within the same size standard?
Should I list all size formats in my marketplace listings?
Conclusion
Size accuracy is non-negotiable in fashion resale. A best fishgoo spreadsheet with embedded conversion tables eliminates guesswork, prevents returns, and builds buyer confidence. Your customers will thank you with repeat purchases and five-star reviews.