Smart Business Math

After-Tax Income Calculator

Estimate what remains after federal, state, and optional self-employment tax—live as you adjust assumptions.

Calculator

Use 0% if you have no state income tax.

Usually the same as business profit; can differ from gross.

Results

Estimated after-tax income

$52,983.41

Total estimated tax

$37,016.60

Federal portion

$19,800.00

State portion

$4,500.00

Self-employment tax

$12,716.60

Effective tax rate

41.13%

What this means

Combined effective tax looks high on this simplified model. Validate brackets and SE assumptions before lifestyle budgeting.

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After-Tax Income Summary

After-tax income is what you can actually spend or save. This calculator subtracts assumed federal and state tax rates—and optional self-employment tax—from gross income to estimate take-home pay.

Explanation

Estimated after-tax income is gross minus all tax pieces you enabled.

Effective tax rate is total estimated tax ÷ gross.

Business implication: pricing and personal budgets should use after-tax reality, not top-line invoices.

Step-by-step example

Gross $90,000, federal 22%, state 5%, with SE tax on $90,000 net earnings:

  1. Federal: $90,000 × 0.22 = $19,800
  2. State: $90,000 × 0.05 = $4,500
  3. SE tax ≈ $12,719.37
  4. After-tax ≈ $90,000 − $19,800 − $4,500 − $12,719 ≈ $52,981

Formula

Federal tax = Gross × (Federal% ÷ 100)

State tax = Gross × (State% ÷ 100)

SE tax (optional) = Net earnings × 0.9235 × 0.153

After-tax = Gross − Federal − State − SE tax

Helpful tips

  • Compare W-2 vs freelance offers on an after-tax basis, not salary alone.
  • If SE tax applies, make sure your Hourly Rate Calculator buffer covers it.
  • State-tax-free moves change this math more than people expect—model before relocating.

FAQ

What does after-tax income mean here?

It is a simplified take-home estimate: gross income minus assumed federal tax, assumed state tax, and optional self-employment tax.

Why are federal and state rates inputs?

Full brackets, deductions, and credits vary widely. Editable rates let you model scenarios quickly without pretending to be tax software.

Should freelancers include SE tax?

Usually yes when looking at business profit. W-2 employees typically choose no if FICA is already reflected elsewhere in their planning.

Is this tax advice?

No. It is for cash-flow and lifestyle planning. Filing requires your complete tax situation.

Related tools

Key terms

After-tax income

Definition. What remains from earnings after estimated income and self-employment taxes (and similar obligations) are accounted for.

In simple terms. Gross revenue is not spendable lifestyle money. After-tax views help set rates, savings, and owner draws more honestly.

After-tax ≈ income − estimated taxes (simplified models vary)

Example. If $80,000 profit faces roughly $20,000 in combined tax estimates, about $60,000 is the after-tax ballpark before personal budgeting.

Common mistake. Comparing a W-2 salary to freelance gross without normalizing for tax and benefits.

Related calculators. After-Tax Income Calculator

Related terms. Self-employment tax, Quarterly tax reserve

Self-employment tax

Definition. U.S. Social Security and Medicare taxes paid by self-employed people on net earnings from self-employment.

In simple terms. Employees split FICA with their employer. Freelancers generally pay both sides (with deductions and rules that change—verify with IRS guidance or a tax pro).

Often estimated from net self-employment income × applicable SE tax rates

Example. Many owners reserve roughly 15% of profit as a starting SE-tax ballpark, then refine with real forms and credits.

Common mistake. Only budgeting income tax and forgetting SE tax until quarterly payments are due.

Related calculators. Self-Employment Tax Calculator, Quarterly Tax Reserve Calculator

Related terms. Quarterly tax reserve, Estimated tax, After-tax income

Quarterly tax reserve

Definition. Money set aside during the year so estimated tax payments and year-end balances are less painful.

In simple terms. Independent businesses often owe tax throughout the year. A reserve turns irregular income into a predictable habit instead of a April surprise.

Reserve ≈ expected annual tax ÷ number of set-aside periods (e.g. 4)

Example. If you expect $12,000 of tax for the year, reserving about $3,000 per quarter (or a % of each payout) keeps you closer to current.

Common mistake. Spending every invoice and hoping future months cover last quarter’s tax.

Related calculators. Quarterly Tax Reserve Calculator, Estimated Tax Calculator

Related terms. Estimated tax, Self-employment tax, After-tax income

See all terms in the Glossary →

Notes & Assumptions

Planning model only. For official SE tax and estimated tax rules, see IRS Small Business and Self-Employed.

Last reviewed: July 2026