Self-Employment Tax Estimator
Estimate Social Security and Medicare tax on self-employment income, including the deductible portion.
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Resources
Tax Calculators & Estimators
Explore helpful tax calculators to estimate common federal and state tax situations. These tools provide preliminary estimates and are not a substitute for a complete professional review.
Tax year: [PLACEHOLDER — applicable tax year, pending Price Book confirmation] · Last updated: August 1, 2026
Federal calculators
Available in every state we serve. These estimate a specific tax situation — not a whole return. We do not offer a calculator that prepares your Form 1040 or Form 1120. A complete return depends on facts a calculator cannot see, and that is work we do with you rather than something to guess at on a public page.
Capital Gains Tax Estimator
Estimate tax on investment gains, separating short-term from long-term and including the net investment income tax where it applies.
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Home Sale Capital Gains Estimator
Estimate gain on the sale of a main home and whether the primary-residence exclusion may reduce it.
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Rental Property Sale & Depreciation Recapture Estimator
Estimate gain on a rental sale, separating the portion attributable to depreciation, which is taxed differently from ordinary capital gain.
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Quarterly Estimated Tax Calculator
Estimate quarterly payments and check whether you meet a safe-harbour amount for the year.
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Washington calculators
Washington has no personal income tax and no inheritance tax. It does have an estate tax, an excise tax on certain long-term capital gains, and a real estate excise tax. These tools cover the Washington-specific taxes only — pair them with the federal calculators above for a combined picture.
Real Estate Excise Tax (REET) Estimator
Estimate the graduated state excise tax on a Washington property sale, plus the applicable local rate.
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Capital Gains Excise Tax Estimator
Estimate Washington's excise tax on long-term capital gains above the standard deduction amount.
Does not apply to real estate sales or to gains inside retirement accounts.
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Combined Federal and Washington Estimate
Bring the federal and Washington results together in one summary, shown separately as well as combined.
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Planned
Approved for a later phase. Estate, gift, and inheritance tools are handled by referral to a qualified specialist rather than by calculator, because the amounts involved make an unreviewed estimate risky.
- Paycheck Withholding Estimator
- Retirement Withdrawal and Required Minimum Distribution Estimator
- Social Security Tax Estimator
- Child Tax Credit Estimator
- Earned Income Tax Credit Eligibility Estimator
- Business Entity Tax Comparison — comparative only, not a Form 1120 calculation
- Payroll Tax Estimator
- Contractor versus Employee Comparison
- Late Filing and Payment Penalty Estimator
- Tax Filing Fee Estimator — pending confirmation of the published fee method
Other resources
Tax Filing Process
What happens from your first enquiry through to a filed return.
Coming soon
Document Checklists
What to gather before you start, by situation.
Coming soon
Frequently Asked Questions
Cost, timing, states, amended returns, and working with us.
Coming soon
Tax Guides and Updates
Plain-language explanations of changes that affect filers.
Coming soon
About these estimates
This calculator provides a preliminary estimate for educational purposes only. It is not tax, legal, or financial advice and does not guarantee your actual tax liability, refund, filing requirement, or eligibility. Tax results depend on your complete facts and current federal, state, and local law.
This disclaimer explains the limits of an estimate. It does not reduce our responsibilities to you.
How we build them
- Every rate, threshold, and exclusion comes from official primary sources, recorded with its source and the tax year it applies to.
- Tax figures are held separately from the calculator code, so an annual update changes one reviewed file rather than being scattered through the site.
- An assigned tax professional verifies each figure before a calculator is released, and the verification is recorded.
- Each tool shows its tax year and last-updated date.
Your privacy
- Calculations run in your browser. Nothing you enter is sent to us.
- Nothing is stored, logged, or shared, and no analytics or advertising tools receive your figures.
- No calculator asks for a Social Security number, bank details, or document uploads.
- Nothing you type appears in the page address, so it will not end up in your browser history.
Next step
An estimate is a starting point, not a return. When you are ready, a professional can look at your full situation and identify what a preliminary estimate cannot.
Review My Estimate — coming soon
Have a tax professional review your information and identify items this preliminary estimate may not include.