Contact
Get in touch
Corrections, questions, and partnership inquiries are welcome.
Reporting a calculation error
Please include:
- The state and filing status.
- Your gross pay and pay frequency.
- The result you expected, and the source you used.
We verify corrections against the IRS and state tax agency publications before changing the data.
Partnerships
For payroll, tax software, or financial-tool partnerships, use the same email with "Partnership" in the subject line.