Spanish · Pronunciation Guide
KWAHN-toh, two beats — the ua glides into one sound and the accent flags a question.
Two syllables, CUÁN-to, and the accent marks the interrogative rather than moving the beat, since a vowel-final word is already front-stressed by default. Unlike "quién", this word agrees fully — "cuánta", "cuántos", "cuántas" — and all four forms keep both the accent and the stress placement.
Listen: cuánto
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¿Cuánto cuesta esto?
How much does this cost?
Listen: ¿Cuánto cuesta esto?
Free browser voice. Hear it read by a real native speaker inside the LingoDrop app.
"¿Cuánto cuesta esto?" is the shopping sentence, and it pairs two words beginning with the same hard k plus glide: CUÁN-to and CUES-ta. "Cuesta" shows the stem change from "costar", with the o splitting into ue under stress. Say "cuesta esto" and the final a merges with the following e.
Stretch the ua into two syllables and you get "koo-AHN-to" where a single glide belongs. It is a single glide. The t then wants flapping into a d, American-style, producing "KWAHN-doh" — which would collide with "cuándo" and change the question entirely. Agreement is the other trap: "cuántos años tienes" needs the plural, and "cuánto años" is a common but audible slip.