How to Say "to transform" in Spanish
The Spanish word for “to transform” is “convertir” — A2 level. This is a very common word in everyday Spanish.

Examples
Necesitas **convertir** los euros a dólares antes del viaje.
You need to **convert** the euros to dollars before the trip.
El mago prometió **convertir** el agua en vino.
The magician promised to **convert** the water into wine.
Vamos a **convertir** esta habitación vieja en una oficina.
We are going to **convert** this old room into an office.
Stem Change (e > ie)
In the present tense, the 'e' in the stem changes to 'ie' (e.g., convierto, conviertes) in all forms except for nosotros and vosotros.
Using 'en'
When you change something into something else, Spanish requires the preposition en (e.g., convertir X en Y).
Preterite Change
Mistake: “Él convertió (incorrect stem)”
Correction: Él convirtió. Remember that the third-person forms of the past tense also change the 'e' to an 'i' (convirtió, convirtieron).
Related Translations
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