
US Tax Calculators & Financial Tools
The trusted platform for accurate US tax calculations. Built by certified financial professionals using official IRS data, updated for the 2025–2026 tax year.
IRS-Aligned Formulas
Our calculators use official IRS tax brackets, rates, and deduction amounts to ensure accurate estimates.
Updated Regularly
Tax data is reviewed and updated each year to reflect the latest federal and state tax law changes.
Always Free
All our calculators are completely free to use with no sign-up required. No hidden fees, ever.
Tools
Our Calculators
Choose a calculator to get started with your tax estimation.
Federal Income Tax Calculator
Estimate your federal income tax liability based on your income, filing status, and deductions.
State Income Tax Calculator
Calculate your state income tax for any of the 50 states.
Social Security Tax Calculator
Calculate your Social Security tax contributions.
Medicare Tax Calculator
Determine your Medicare tax withholding amounts.
Capital Gains Tax Calculator
Calculate tax on your investment gains (short-term and long-term).
Sales Tax Calculator
Find the sales tax rate and amount for any state or zip code.
Property Tax Calculator
Estimate property taxes based on assessed home value and location.
Self-Employment Tax Calculator
Calculate taxes for freelancers, contractors, and small business owners.
Payroll Tax Calculator
Calculate total payroll taxes for both employers and employees.
Effective Tax Rate Calculator
Determine the actual percentage of income you pay in taxes.
Latest Articles
Updates and tips from our blog.


How Inflation Affects Taxes (Even If Rates Don’t Change)

Capital Gains Tax: Short-Term vs Long-Term Explained Like You’re 15

Why Two Freelancers With the Same Income Pay Different Taxes

Self-Employment Tax: What Freelancers and Gig Workers Often Miss

How Tax Rules Change When You’re Married

Effective Tax Rate Explained: The Number That Really Matters

What Happens If You Work in One State and Live in Another
Our Mission
At NextyFy, we believe everyone deserves access to accurate financial tools. Our team of tax professionals and developers work together to provide free, reliable calculators that help Americans understand their tax obligations and make informed financial decisions.
Every calculator is built using official IRS data and reviewed for accuracy. We are committed to transparency, education, and empowering individuals to take control of their finances.