cuánto

1. how much, how many

quantity in direct and indirect questions

• ¿Cuánto cuesta?How much does it cost?
• No sé cuánto pesa.I don't know how much it weighs.

2. how much, how many; so much, so many

great quantity or intensity in exclamations

• ¡Cuánta gente hay aquí!There are so many people here!
• ¡Cuánto has cambiado!You have changed so much!