How do you ask "how much is"
"How much is..."
3 Answers
You could also incorporate the verb saber (meaning "to know"; e.g. information) into the question.
So, you could ask "¿Sabes cuánto es?" "Do you know how much this is?"
¿Cuánto es? = How much is it?
cuanto cuesta esto? o también puedes decir : cuanto cuesta