Spanish phrase
¿Cuál es ~ de cambio?
Meaning
What's the exchange rate for ___?
When to use it
A polite direct question about the current conversion rate. Typical when buying or selling currency at banks or kiosks.
Example dialogue
¿Cuál es la tasa de cambio?
What's the exchange rate?
Ahora mismo es 1 euro por 1,10 dólares.
At the moment it's 1 euro to 1.10 dollars.