Get your taxes done using TurboTax

Yes you can make a second quarter payment by July 15 for taxes you think will be owed based on your 2nd quarter income. 

 

You can use the TurboTax TaxCaster to help you decide how much estimated tax to pay: https://turbotax.intuit.com/tax-tools/

 

Don't forget your state taxes if you have a state income tax.