Tengo tres años. I have three years literally.
Spanish footballer David Villa Sanchez is 36 years old (birthdate: December 3, 1981).
The expression to say how old you are or a material object is in Spanish is "tener ____ años".If you literally want to translate "years old" into Spanish, this would be "años de vejez", but this is nonsense to any Spanish speaker.
"Yo tengo dieciocho años" means "I am eighteen years old" in Spanish.
Mozart was 3 years old the entire time that he was 3 years old.
i am 41 years old
He/she/it is 4 years old = Tiene cuatro años. I am 4 years old = Tengo cuatro años.
If a human is 3 years old, then a dog is 21 years old.
If a cat is 3 years-old. They are 29 years-old in human years.
Mis amigos tienen doce años. This is literally "My friends have 12 years", but is normally translated as "My friends are 12 years old."
cien años
años de edad
Until you are 16 years old.