US: 8-10 to United Kingdom Size 24-26
Cross-market women’s sleepwear conversion mapping 8-10 specifications into 24-26 for nightgowns, pajama sets, and sleep shirts.

Analyzing Women’s Sleepwear Equivalence Across Markets
US: 8-10: Corresponds to a relaxed bust range of 90–94 (35.4–37 ), elastic waist range of 72–76 (28.3–29.9 ), and comfort drape classification Relaxed / Comfort Drape.
United Kingdom Size 24-26: Corresponds to a relaxed bust range of 113–117 (44.5–46.1 ), elastic waist range of 95–100 (37.4–39.4 ), and comfort drape classification Loose Lounge Fit.