I filed as single when I should have filed as head of household, and now I owe money. How do I amend my taxes?

I filed my 2020 taxes without realizing that I qualify as head of household, so I put single. How do I amend this?

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Level 15

Feb 28, 2021 10:03:50 AM

Turbo Tax would have automatically switched you to Head of Household as soon as you entered a qualifying dependent. Do you have a child?

Who is a qualifying person for Head of Household

Level 15

Feb 28, 2021 10:22:12 AM

and you cannot amend until the end of March anyway, when Form 1040-X is available here.