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11 free calculators

Tax Calculators

Tax calculators for employees, freelancers, and small business owners. Estimate take-home pay, self-employment taxes, withholding, and retirement contributions.

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401k Contribution & Growth Calculator
Calculate 401k growth to retirement. Contribution, employer match, and compound returns. Free 401k calculator.
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Child Tax Credit Calculator 2026
Calculate 2026 Child Tax Credit by income and children. Phaseout thresholds and refundable portion.
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Gig Economy Tax Calculator
Calculate gig economy taxes. Uber, DoorDash, freelance tax with quarterly estimates. Free gig tax calculator.
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Hourly Paycheck Calculator
Calculate take-home pay from hourly wage. Federal and state tax withholding. Free hourly paycheck calculator.
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HSA Contribution & Tax Savings Calculator
Calculate HSA tax savings and investment growth. Triple tax advantage for health care and retirement.
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Paycheck Calculator (Take-Home Pay)
Calculate take-home pay after taxes. Federal, state, FICA deductions from your salary or hourly pay.
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Payroll Tax Calculator (Employer)
Calculate employer payroll taxes. FICA match, FUTA, SUTA, and workers comp. Free payroll tax calculator.
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Quarterly Estimated Tax Calculator
Calculate quarterly estimated tax payments. Avoid IRS penalties. For freelancers and business owners.
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Roth Conversion Calculator
Calculate Roth conversion tax cost and break-even year. Traditional to Roth IRA analysis. Free conversion calculator.
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Self-Employment Tax Calculator
Calculate self-employment tax for 1099 income. SE tax, income tax, and quarterly payments. Free 1099 tax calculator.
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W-4 Withholding Calculator
Calculate optimal W-4 withholding. Avoid owing taxes or over-withholding. Free W-4 calculator.

Understand Your Tax Burden

Taxes are your largest expense — most people pay 25-35% of their income in federal, state, and FICA taxes combined. These calculators help you understand exactly where your money goes: how much federal tax you owe, how FICA (Social Security + Medicare) reduces your paycheck, and what state taxes apply. The Paycheck Calculator is the most popular tool — it shows your exact take-home pay.

Tax Planning Strategies

The HSA Calculator shows triple-tax-advantage savings. The 401k Calculator projects retirement growth with employer matching. The Roth Conversion Calculator helps you decide whether converting traditional IRA funds to Roth saves taxes long-term. For freelancers, the Self-Employment Tax Calculator shows the full 15.3% FICA burden that surprises many first-time freelancers.

Frequently Asked Questions
How much tax do I actually pay?
Most W-2 employees pay 22-32% effective tax rate (federal income tax + FICA + state). On a $75,000 salary: approximately $18,000-24,000 in total taxes, taking home $51,000-57,000. Self-employed individuals pay an additional 7.65% in self-employment tax (the employer half of FICA). Use the Paycheck Calculator for your exact breakdown.
Should I contribute to a Roth or traditional 401k?
If you expect to be in a higher tax bracket in retirement: Roth (pay taxes now at a lower rate). If you expect a lower bracket in retirement: traditional (defer taxes). Most young professionals benefit from Roth because their income (and tax bracket) will likely increase. Use our 401k Calculator to model both scenarios.