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Calculators for side hustlers
Every calculator on this site is free, instant, and runs entirely in your browser — your numbers never leave your device. Pick the one that fits your side hustle.
Side Hustle Tax Calculator
Stack every income stream — DoorDash, Etsy, freelancing, and more — and see your real take-home including state income tax for all 50 states.
For: Side hustlers, multi-income freelancers, and gig workers
Open calculator →Self-Employment Tax Calculator
Estimate Social Security, Medicare, and the 0.9% additional Medicare surtax on your Schedule SE earnings. Includes quarterly payment estimate.
For: 1099 contractors, freelancers, sole proprietors
Open calculator →Gig Earnings Calculator
What you actually make on Uber, DoorDash, Etsy, Fiverr, Airbnb, and more — after platform fees, IRS mileage deduction, self-employment tax, and federal income tax.
For: Uber, Lyft, DoorDash, Instacart, Etsy, Fiverr, Airbnb workers
Open calculator →Quarterly Estimated Tax Calculator
Turn expected profit into an exact Form 1040-ES payment per quarter, with the safe-harbor minimum that avoids the underpayment penalty.
For: Anyone who owes quarterly estimates
Open calculator →Mileage Deduction Calculator
Business miles times the 2026 IRS standard rate (72.5 cents), plus parking and tolls, and what the deduction saves you in tax.
For: Gig drivers and anyone who drives for work
Open calculator →1099 vs W-2 Calculator
Same money, different take-home. Compare a contractor offer against a salary offer and find the 1099 pay that actually matches.
For: Anyone weighing contract work against a job offer
Open calculator →QBI Deduction Calculator
Your 20% Section 199A pass-through deduction with the taxable-income cap and the new $400 minimum applied, plus the exact federal tax it saves.
For: Sole proprietors, LLCs, and side hustlers under the income thresholds
Open calculator →W-4 Extra Withholding Calculator
Cover your side income through your day job's paycheck instead of quarterly payments: the exact Step 4(c) amount that hits the safe harbor.
For: W-2 employees with side income
Open calculator →Tax Bracket Calculator
Your 2026 marginal bracket vs your effective rate, the full per-bracket breakdown, and how far you are from the next rate.
For: Anyone who wants to know what their next dollar is taxed at
Open calculator →Estimated Tax Penalty Calculator
Missed a quarterly payment? The exact day-count cost at the 2026 underpayment rates, and when the clock stops.
For: Freelancers who missed or shorted a 1040-ES payment
Open calculator →Freelance Rate Calculator
Salary-to-freelance-rate. Accounts for self-employment tax, health insurance replacement, retirement, and the fact you can only bill 60% of your hours.
For: Freelancers, consultants, contractors going independent
Open calculator →Home Office Deduction Calculator
Compare the IRS Simplified Method ($5/sqft) vs the Actual Expense Method side-by-side to see which deduction option saves you the most on taxes.
For: Home-based freelancers, remote contractors, and self-employed
Open calculator →Also worth reading
Our guides walk through the topics the calculators touch on — quarterly tax due dates, deductions, and the rules that actually matter for side hustlers in the US.