treinta
numeralCEFR A1High frequency
What does “treinta” mean in English?
thirty
Example sentences
Mi padre tiene treinta y cinco años.
My father is thirty-five.
Hay treinta días en abril.
There are thirty days in April.
Treinta personas vinieron a la boda.
Thirty people came to the wedding.
How to use it
Treinta means 'thirty'. Invariable. From 31 onwards numbers are formed with y: treinta y uno, treinta y dos, etc., written as three words.
Common mistake
From 31 onwards the y stays separate: 'treinta y dos', not 'treintaidós'. Single-word compounds are reserved for 16–29 only.