TooziFree tools · 2026 federal rates
The numbers every self-employed person should know.
No signup, no email. Each calculator uses the 2026 brackets and explains the rule behind the number in plain English.
Quarterly tax estimatorEstimate your 2026 federal quarterly payments from your expected profit, W-2 wages and withholding. Self-employment tax and income tax, explained line by line.Self-employment tax calculatorWork out 2026 self-employment tax (Social Security + Medicare) on your net profit, including the wage-base limit if you also have a W-2 job and the deductible half.1099 vs W-2 calculatorCompare what you keep as a 1099 contractor versus a W-2 employee at the same gross pay, with 2026 self-employment tax, income tax and the employer-side costs you now cover.Mileage deduction calculatorTurn business miles into a 2026 deduction at the IRS standard mileage rate, with the mid-year rate change handled, plus what the deduction is worth at your tax rate.Tax set-aside calculatorFind the percentage of each payment to put away for federal taxes based on your expected profit, filing status and whether you also have W-2 income. 2026 rates.Late filing & payment penalty calculatorEstimate the failure-to-file penalty, failure-to-pay penalty and interest on an unpaid federal balance, by how many months late you are. Current IRS interest rate.Booth renter take-home calculatorEnter your weekly booth or suite rent, service income, tips and supplies. See what a booth renter actually takes home after self-employment tax and income tax, by week, month and year.California SaaS tax checkerAnswer five questions and find out whether California's new sales tax on software and SaaS applies to what you sell, who collects it, and what to do before January 1, 2027.
Or skip the math entirely.
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