How to say 1.5 years old
I　want to say " this girl is 1.5 years old"
Should I　say this girl is one year and half or this girl is one and half years old? Thanx

Question

Answer

Charles is right that we often give the age in months  for children under 2 years old. You can also say she's one and a half, or she's a year and a half (old).

Answer

18 months old.  Usually, one uses months up through 23, then switches to years.  One might say a child is two and one half years old.

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