Is it possible to enter quarterly payments for self-employment taxes the online self-employed turbotax?

[KittyM]

Yes, you can enter your estimated tax payments in the interview as follows,

• In your Federal return, select the tab Deductions & Credits
• Scroll down to Estimates and Other Income Taxes Paid and Show more
• Start/revisit the appropriate Estimated Tax topic to update your answers

If you need to create estimated payments for 2019,

• In your Federal return, select the tab Other Tax Situations
• Scroll down to Other Tax Forms and Show more
• Start/revisit the topic Form W-4 and Estimated Taxes to update your answers