How to Say "letter" in Spanish
The most common Spanish word for “letter” is “carta” — use 'carta' when referring to a written message that you send to someone, typically through postal service..
carta
/KAR-tah//ˈkaɾta/

Examples
Escribo una carta para mi abuela.
I'm writing a letter to my grandmother.
¿Has recibido alguna carta hoy?
Have you received any mail today?
Envió la solicitud por carta certificada para estar seguro.
He sent the application by registered letter to be sure.
Always Feminine
No matter what kind of 'carta' you're talking about, it's always a feminine word. So, you'll always say 'la carta' or 'una carta'.
'Carta' vs. 'Letra'
Mistake: “Quiero escribir una letra a mi amigo.”
Correction: Quiero escribir una carta a mi amigo. 'Letra' means a letter of the alphabet (like A, B, C), while 'carta' is the message you mail.
letra
LEH-trah/ˈle.tɾa/

Examples
La primera letra del abecedario es la 'A'.
The first letter of the alphabet is 'A'.
¿Cuántas letras tiene la palabra 'paraguas'?
How many letters does the word 'umbrella' have?
Escribí mi nombre en letras mayúsculas.
I wrote my name in capital letters.
It's Feminine
Remember that 'letra' is a feminine noun, so you must use 'la letra' or 'una letra'.
Carta vs. Letra Confusion
Related Translations
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