Self-Employment Tax Calculator
Calculate your exact self-employment tax using the IRS formula. Shows SE tax (SS + Medicare), the half-SE deduction, 2024 federal income tax brackets, effective rate, take-home pay, and quarterly estimated payment.
Every calculator, guide, and checklist a 1099 worker needs for tax season. No ads, no signup, no upsells — just the math.
Open Tax Season Checklist →Calculate your exact self-employment tax using the IRS formula. Shows SE tax (SS + Medicare), the half-SE deduction, 2024 federal income tax brackets, effective rate, take-home pay, and quarterly estimated payment.
Calculate your estimated quarterly tax payments as a freelancer or 1099 contractor. Covers self-employment tax, federal income tax by bracket, state tax, and IRS safe harbor rules.
Calculate the exact quarterly estimated tax payment to avoid the IRS underpayment penalty. Computes both safe harbor methods — 100%/110% of prior year tax vs 90% of current year — recommends the lower one, and shows your per-quarter payment schedule.
Same gross pay, wildly different take-home. See exactly how W-2 and 1099 offers compare after self-employment tax, FICA, and employer benefits — then get the break-even number that tells you exactly what to negotiate.
Formula
breakEven = 1099 gross that matches W-2 total value incl. benefits
Compare IRS Simplified ($5/sq ft, max $1,500) vs Regular/Form 8829 side by side. Enter rent or mortgage expenses, see both deductions, the winner, tax savings at your rate, and quarterly payment reduction.
2024 IRS mileage rates: $0.67/mi business, $0.21/mi medical, $0.14/mi charity. Split your miles by purpose, compare standard rate vs actual expenses (gas, insurance, depreciation, maintenance), and see your tax savings and quarterly payment reduction.
Calculate your 2024 business meal deduction under TCJA 2017 rules. 50% for documented client/team meals, 100% for on-premises employer meals, 50% for office snacks. Covers the entertainment-vs-meal distinction, IRC §274(d) documentation requirements, and your quarterly tax savings.
Calculate your Form 1040 Line 17 health insurance deduction as a self-employed person. Covers health, dental, vision, and LTC premiums. Shows deduction cap at net SE income, federal and state tax savings, and effective monthly premium cost after the government subsidy.
Side-by-side comparison of SEP-IRA, Solo 401(k), SIMPLE IRA, and Traditional IRA for 1099 workers. Enter your net SE income to see max contribution, immediate tax savings, projected balance at retirement, and monthly income at 4% withdrawal — for all four accounts simultaneously.
Estimate your 2024 federal income tax, effective rate, and refund or amount owed. Includes bracket breakdown, itemized deductions, and withholding analysis.
Visual, educational tool showing exactly how 2024 federal tax brackets work. Stacked bar chart for each bracket, effective vs marginal rate, pre-tax deductions, and the bracket bump myth — busted with the math shown.
Formula
tax = Σ(dollars_in_each_bracket × bracket_rate)
Find out if PayPal, Venmo, Stripe, Etsy, or Square will send you a 1099-K. Enter income per platform, see which cross the IRS threshold ($5,000 in 2024, $2,500 in 2025, $600 in 2026+), and get your SE tax estimate regardless of the form.
Sole Prop vs LLC vs S-Corp: the biggest financial decision a new contractor faces. See SE tax burden, formation cost, complexity, and exact savings side-by-side — with the break-even threshold for your situation.
Interactive tax season checklist for freelancers and 1099 workers. Income documents (1099-NEC, 1099-K), deductible expenses, estimated tax payments, required forms (Schedule C, SE, 8829), and W-9/contractor records. Check off items, track progress %, copy as text.
Interactive checklist: income documents, deductible expenses, estimated tax payments, required forms, and W-9 records. Check off items, track progress, copy as text.
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