Free tax calculators for the self-employed.
Instant estimates for freelancers, 1099 contractors, and small businesses, no sign-up, nothing stored. Each one runs the same IRS-aligned engine Taxottic uses to keep your forecast live all year.
Self-Employment Tax Calculator
See your full 2026 tax on 1099 income, self-employment tax, federal and state income tax, QBI deduction, and your next quarterly payment.
Open the calculator →Quarterly Estimated Tax Calculator
Work out what to send the IRS each quarter, all four payments and due dates, so you set the money aside and dodge the underpayment penalty.
Open the calculator →1099 Tax Calculator
For independent contractors, gig workers, and freelancers, estimate your tax on 1099-NEC and 1099-K income, including what your write-offs save you.
Open the calculator →Mileage Deduction Calculator
Turn business miles into a deduction at the 2026 IRS rate (70¢/mile) and see roughly what it saves you, for anyone who drives for work.
Open the calculator →How Much to Set Aside for Taxes
The exact percentage of every payment to move into savings so quarterly taxes are covered and April is calm, not a rule of thumb.
Open the calculator →Effective Tax Rate Calculator
What you actually pay across all your income, effective rate, marginal bracket, and after-tax take-home. Works for W-2 or self-employment income.
Open the calculator →Guides to go with them
The calculators tell you how much. These plain-English guides tell you why, and what you can legally do to owe less.