Taxes, rates, and retirement — without the spreadsheet.
Tax, pricing, and retirement calculators for US freelancers. Numbers stay on your device — no account needed.
Popular calculators
Self-employment tax calculator
SE tax + federal income tax on 1099 income.
Quarterly tax estimator
Split your annual bill across four IRS due dates.
1099 vs W-2
Same job, two offers - which pays more?
Freelance hourly rate
Work backwards from the take-home you want.
Mileage deduction
IRS mileage rate x your business miles.
Solo 401(k) limits
Employee + employer cap in one place.
Federal estimates ? know the number before the due date.
Write-offs you are probably already paying for.
Charge enough to cover tax and still eat.
Get paid without the awkward follow-ups.
Shelter income while you still have income.
Guides
View allHow self-employment tax works for freelancers
What the 15.3% SE tax covers, how the 92.35% base works, and when it stacks on top of income tax.
How much to set aside for quarterly taxes
A practical set-aside percentage for 1099 income, when the IRS wants four payments, and what happens if you skip one.
QBI deduction for sole proprietors (Section 199A)
Who gets the 20% write-off, how phase-out works for high earners, and what our calculator assumes.
IRS sources and assumptions are documented on our methodology page.
Why people stick around
Numbers get updated
When the IRS publishes new brackets or mileage rates, we update the file and ship it. The year on your result tells you which rules you ran.
Your inputs don't leave
Everything runs in the browser. We don't see your income, store it, or sell it. Close the tab and it's gone.
Built for freelancers
These are the calculators we wanted when we were guessing quarterly payments and undercharging clients. No bank attached.