¿Cómo estás? (How are you?)

How do you respond to Como estas?

When someone asks you ¿Cómo estás? If you feel alright, you say estoy bien; you could also say, estoy muy bien, to give more emphasis, which means “very good” or “very well.” You can also add one extra word, gracias, meaning “thanks”, and estoy bien, gracias; it means “I'm fine, thank you.” 2.

What's Esta bien?

esta bien - translated from Spanish to English

It's okay. It's okay.