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

Analyzing Women’s Sleepwear Equivalence Across Markets
US: 24: Corresponds to a relaxed bust range of 121–125 (47.6–49.2 ), elastic waist range of 103–108 (40.6–42.5 ), and comfort drape classification Loose Lounge Fit.
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.