How do you say 'she is 11 month old today' in spanish?

Answer 1

In Spanish, you aren't years or months old, but rather, you have and complete age - however long it is, in years, months and days. In this instance, you would say, "She is completing 11 months today." And you say it, "Ella cumple once meses hoy."

Answer 2

tener ocho meses

ser ocho meses de edad