About TaxCalc
Free US tax calculators built by Nexus Technologies — accurate, private, and always free.
What TaxCalc Does
TaxCalc provides 10 free US tax calculators covering every major tax decision a filer, freelancer, or investor faces:
- Income tax with 2025 federal bracket breakdown
- Tax refund estimator based on withholding and credits
- Self-employed tax with SE deduction and FICA breakdown
- Capital gains, crypto tax, quarterly estimates, bonus, W-4, deduction comparison, and VAT/sales tax
Every calculation runs entirely inside your browser. Nothing is ever sent to a server, stored, or shared.
Privacy & Data
We take your privacy seriously. Here is exactly what happens when you use TaxCalc:
- Your numbers are calculated locally in JavaScript — they never leave your device
- No account, login, or personal information is required
- We only store your dark mode preference in local storage
- Third-party ads (Google AdSense) may use cookies — see our Privacy Policy for details
Important Disclaimer
All results produced by TaxCalc are estimates for informational and educational purposes only. They do not constitute financial, legal, tax, or investment advice. Always consult a qualified tax professional, CPA, or enrolled agent before making any tax decision. Nexus Technologies makes no guarantees as to the accuracy, completeness, or suitability of any calculation results for your specific situation.