Freelancer Tax Estimator

Estimate quarterly taxes and your full year tax liability as a freelancer or self-employed person.

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Equipment, software, home office, professional fees, etc.

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Spouse's income, W-2 income, etc.

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SEP-IRA (up to 25% of net), Solo 401k, Traditional IRA

Net Self-Employment Income

After expenses

Self-Employment Tax

SS + Medicare (15.3%)

Est. Federal Income Tax

After deductions

Quarterly Payment

Estimated tax due

Tax Breakdown

How Freelancer Taxes Work

As a freelancer, you receive 1099 forms instead of W-2s. No taxes are withheld, so you pay quarterly. Total tax = Self-Employment tax (15.3% on net SE income) + Federal income tax + State income tax.

2025 Federal Tax Brackets (Single)

Taxable IncomeRate
$0 – $11,92510%
$11,925 – $48,47512%
$48,475 – $103,35022%
$103,350 – $197,30024%
$197,300 – $250,52532%

Top Deductions for Freelancers

  • Home office: Dedicated workspace — simplified method: $5/sq ft up to 300 sq ft
  • Health insurance: 100% of premiums if not covered elsewhere
  • SEP-IRA: Up to 25% of net earnings (max $70,000 in 2025)
  • QBI deduction: 20% of qualified business income (if income under thresholds)
  • Business vehicle: Mileage (70 cents/mile in 2025) or actual expenses

Related Data

See detailed tax data by state and income level at IRS Tax Topic 409. Compare independent worker statistics and gig economy trends at OSHA.

Disclaimer: This is an estimate for planning purposes only. Tax liability depends on your full situation. Consult a tax professional (CPA) or use tax software. State taxes are NOT included here.

Self-Employment Tax Reality

The IRS Statistics of Income 2022 data shows 28.7 million Americans filed Schedule SE (self-employment) returns — about 18% of all individual filers. Average self-employment income was $21,600; median was just $12,400. Total SE tax collected was $127 billion — the 15.3% SE tax (12.4% Social Security + 2.9% Medicare) is the largest line item for most freelancers after federal income tax.

The 2018 Tax Cuts and Jobs Act introduced Section 199A (Qualified Business Income deduction), allowing up to 20% of qualifying pass-through income to be deducted before income tax. The deduction phases out above $241,950 single / $483,900 married (2024 thresholds) for 'specified service trades' (law, medicine, consulting, finance). The IRS estimates QBI saved 17.6 million filers an average $3,670 per return in 2022 — roughly $65 billion total.

Quarterly estimated tax is where most freelancers get tripped up. IRS safe-harbor rules require paying at least 90% of current-year tax liability or 100% of prior-year liability (110% if AGI > $150K) to avoid underpayment penalties. The IRS assessed $7 billion in estimated-tax penalties in 2022 — most avoidable with proper quarterly planning. Freelancers typically set aside 25-30% of gross income for federal tax + SE tax, plus 3-10% for state (except in 9 no-income-tax states).

Sources: IRS Statistics of Income 2022, TCJA Section 199A, IRS Publication 505

Methodology & Assumptions

This calculator implements standard formulas drawn from primary-source authorities. Values are point-in-time estimates; consult a licensed professional for high-stakes decisions. See the per-input definitions and source citations below.

How this works

Computations are deterministic and run client-side — no inputs leave your browser. Formulas are derived from standard published formulas for the calculator's domain (mortgage, taxes, energy, conversions, etc.). When the underlying agency publishes updated rates or thresholds we refresh defaults and update the page's lastmod timestamp.

Frequently Asked Questions

What is self-employment tax?
Self-employment (SE) tax covers Social Security and Medicare. Employees have these split with their employer (7.65% each). As a freelancer, you pay both halves — 15.3% on net self-employment income (12.4% Social Security up to $176,100 + 2.9% Medicare on all income). You can deduct half of SE tax from gross income.
When are quarterly estimated taxes due?
Q1 (Jan–Mar): April 15. Q2 (Apr–Jun): June 16. Q3 (Jul–Sep): September 15. Q4 (Oct–Dec): January 15 of next year. You face an underpayment penalty if you owe more than $1,000 at tax time and haven't paid enough through estimates. Safe harbor: pay 100% of last year's tax (110% if income > $150K).
What business expenses can I deduct?
Deductible: home office (dedicated space), business equipment, software subscriptions, professional development, business travel (not commuting), health insurance premiums (if not covered by spouse's plan), retirement contributions (SEP-IRA up to 25% of net earnings), professional fees. Keep receipts for everything.
Should I form an LLC or S-corp to reduce taxes?
At roughly $40,000+ annual profit, an S-corp election can save $4,000-8,000/year in SE taxes by paying yourself a reasonable salary and taking the rest as distributions (distributions avoid SE tax). Setup costs: ~$1,500-3,000 in legal/accounting fees. Below $40K net profit, the extra complexity usually isn't worth it.

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Inputs, defaults, and authoritative sources
Input Default Source / authority
All inputs Domain-typical defaults Editorial methodology, CalcMesh 2026