Have questions about IRS Form 1040-ES calculations, suggestions for new features, or feedback on state tax rules? We welcome input from independent contractors, freelancers, CPAs, and developers.
IRS Payment Questions: We do not process tax payments directly. To submit quarterly payments, visit the official IRS Direct Pay portal.
Partnerships & Tools: Interested in embedding our calculator or integrating freelance tax workflows? Reach out to partners@freelancertaxcalc.site.
Bug & Error Reports: Notice a discrepancy in state rates or standard deductions? Please include your state and filing status in your note so our team can immediately audit the table.