Wholesale Prom Dress Sizing Guide: How to Order the Right Size Mix for US Boutiques | PromWholesale Blog

Learn how to build the perfect size mix when ordering wholesale prom dresses from China — including US vs Chinese sizing charts, plus-size considerations, and inventory planning tips for boutique owners.

Wholesale Prom Dress Sizing Guide: How to Order the Right Size Mix for US Boutiques One of the most common — and costly — mistakes boutique owners make when ordering wholesale prom dresses from China is getting the size mix wrong. Order too many small sizes and you leave plus size customers underserved. Over index on large sizes and you sit on unsold inventory. This guide gives you a data driven framework for building a size mix that matches your customer base and minimises end of season markdowns. Understanding the US vs Chinese Sizing Gap Chinese formalwear factories use their own sizing system, which differs significantly from US standard sizing. Before placing any bulk order, always request the factory's actual measurement chart — not just the size label. The table below shows a typical conversion between Chinese factory sizes and US dress sizes for prom and evening gowns: Chinese Factory Size US Dress Size Bust (inches) Waist (inches) Hips (inches) XS / Size 2 US 0–2 31.5–32.5 24–25 33.5–34.5 S / Size 4 US 4 33–34 25.5–26.5 35–36 M / Size 6 US 6 34.5–35.5 27–28 36.5–37.5 L / Size 8 US 8 36–37 28.5–29.5 38–39 XL / Size 10 US 10 37.5–38.5 30–31 39.5–40.5 2XL / Size 12 US 12 39–40 31.5–32.5 41–42 3XL / Size 14 US 14 40.5–41.5 33–34 42.5–43.5 4XL / Size 16 US 16 42–43 34.5–35.5 44–45 5XL / Size 18 US 18 43.5–44.5 36–37 45.5–46.5 6XL / Size 20 US 20W 45–46 37.5–38.5 47–48 Critical note : These are general guidelines. Every factory has its own grading system. Always request the specific measurement chart for each style you order, as fit can vary between a structured ballgown and a stretchy sequin sheath. The Standard Size Mix for US Prom Boutiques Based on typical US prom dress sales data, a well balanced size mix for a 30 piece order of a single style looks like this: S

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