Answer
Sep 10, 2025 - 12:14 AM
For a 12-year-old, diaper size depends on their weight and body measurements rather than age. Most children this age who need diapers may require youth or adult small sizes, which typically fit waist sizes from about 20 to 34 inches (51 to 86 cm). It’s best to check the specific brand’s sizing chart to ensure the best fit.
