How do you calculate taxes owed on earnings of 15000?

By completing your income tax return at this time.

We would suggest that you contact a local volunteer site in your area and ask someone at the site if they can assistance you with your income tax return and take all of your information to a volunteer site in your area for some free face to face assistance with this matter.

You can copy and paste the below web site in your address bar and enter the required information on the page that comes up and you may be able to find some site information available for your area.

https://wpp.aarp.org/vmis/sites/internet_taxaide_locator.jsp

Tax-Aide Site Locator

Using the AARP Tax-Aide Web Site Locator is easy. Just input your personal information as requested below (street, city, and state OR Street and the zip code) and our system will provide you with listings of AARP Tax-Aide sites in your area. Thank you for using our service.

To locate the nearest AARP Tax-Aide site, call 1-888-227-7669

It may be possible that your state web site could have some local volunteer site information available also.