Free tools

Free tools for people who work for themselves.

No sign-up, no email wall. Built on the same engine that powers RevvFi — the all-in-one money app for the self-employed.

Live

Self-Employment Tax Calculator

Estimate your SE tax (Social Security + Medicare), the half-SE-tax deduction, and a rough total federal tax — for 2025 or 2026.

Open the calculator →
Coming soon

Mileage Deduction Calculator

Turn your business miles into a dollar deduction at the current IRS standard rate.

Coming soon

Quarterly Tax Estimator

Figure out what to set aside — and what to pay — for your quarterly estimated taxes.

Coming soon

"Am I overpaying?" Estimator

See the write-offs people in your line of work typically miss — and roughly what they're worth.

Tired of doing this math by hand?

RevvFi tracks your income, expenses, and write-offs automatically — all year, not just at tax time. The average self-employed person leaves $6,200 on the table.

Get RevvFi at launch