Size Conversion Tables for Fishgoo Spreadsheet Users

Eliminate sizing confusion across US, UK, EU, and CM measurements with built-in conversion references for fashion resale.

Updated May 20268 min read

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)UKEUCM (Japan)
67.55.538.524
78.563925
89.574126
910.5842.527
1011.594428
1112.5104529
1213.51146.530
1314.5124831

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Apparel Size Conversion Reference

US SizeUK SizeEU SizeChest (inches)Waist (inches)
XS344434-3628-30
S364636-3830-32
M384838-4032-34
L4050-5240-4234-36
XL425442-4436-38
XXL445644-4638-40

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:

=VLOOKUP(SupplierSize, SizeChart!A:D, 3, FALSE)

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?
Yes. Nike and Adidas differ by approximately 0.5 sizes in some ranges. Supreme hoodies fit boxier than Essentials. Add a "Fit Notes" column to capture brand-specific sizing quirks.
Should I list all size formats in my marketplace listings?
Absolutely. List the primary size in the title and include a size chart in photos or description showing US, UK, and EU equivalents. This single practice reduces returns by 60%.

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.

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