All Tax Calculators

How to Choose the Right Calculator

Tax situations fall into a handful of common patterns, and the right calculator is usually the one that matches your primary income source. Use this quick decision guide to pick the tool that fits.

• You are a W-2 employee with a single job. Start with the Income Tax Calculator for an annual view, or the Paycheck Calculator to see what hits your bank each pay period.
• You are self-employed or have 1099 income. The 1099 Tax Calculator handles income tax, self-employment tax, and state tax together. Pair it with the Quarterly Tax Calculator to plan your estimated payments.
• You are selling stock or cryptocurrency. Use the Capital Gains Calculator for stocks and funds, or the Crypto Tax Calculator for digital assets.
• You are getting married or divorced. The Marriage Tax Calculator compares filing jointly vs separately to show whether a bonus or penalty applies.
• You are receiving a bonus or equity vesting. The Bonus Tax Calculator applies the supplemental wage rules used by most employers.
• You are buying a home or paying property tax. The Property Tax Calculator applies state-specific effective rates to the property value you enter.
• You are planning an estate or making large gifts. Use the Estate Tax Calculator for wealth transfer projections and the Gift Tax Calculator for annual and lifetime exclusions.
• You want to fix a big refund or balance due. The Withholding Calculator models W-4 adjustments, including the Line 4(c) extra-withholding lever.

What All Our Calculators Have in Common

Every calculator on this Site is built to the same spec. Brackets, deductions, contribution limits, and phase-out thresholds are sourced directly from IRS Revenue Procedures and the Internal Revenue Code, and they are updated within days whenever the IRS publishes an inflation adjustment or mid-year change. The underlying formulas are identical to those used by commercial tax software.

Calculations run in JavaScript on your device. Nothing you enter is transmitted to our servers. No account is created. No session is stored. Close the tab and the inputs are gone. This is a deliberate design choice that also makes the calculators fast — results appear instantly as you type.

Accuracy and Limitations

Each calculator produces an estimate. The underlying math is correct for the inputs provided, but real tax returns involve situation-specific items — prior-year carryovers, alternative minimum tax, net investment income tax, specialized credits, state and local rules that interact — that a general-purpose calculator cannot fully capture. Use the results as a starting point, not as a determination of actual tax liability. For a full return, consult a qualified tax professional or use established tax preparation software.

Suggested Reading

If you are new to how U.S. taxes work, the articles below explain the concepts that underpin most of these calculators. They are written to be read start-to-finish without prior tax knowledge:

• How Tax Brackets Actually Work (Marginal vs Effective Rates)
• The Complete Guide to Self-Employment Tax
• Capital Gains Tax Explained for Long-Term Investors
• LevyIO Complete Guide to U.S. Taxes