How do you say is this correct in Danish?

The most direct translation of "Is this correct?" in Danish is:

Er det korrekt?

Here's a breakdown of the words:

* Er - is (present tense of the verb "at være" - to be)

* det - this (pronoun)

* korrekt - correct

Here are some other ways to phrase it:

* Stemmer det? - Does this sound right? (more informal, implies agreement)

* Er det rigtigt? - Is this right? (more formal, implies factual accuracy)

* Er det korrekt skrevet? - Is this written correctly? (implies focusing on spelling or grammar)

The best option for you will depend on the specific context of your question.