2025-2026 Ultimate Financial Calculator Suite
25+ free calculators for taxes, investments, retirement & auto finance
Tax Calculators
- Federal & State Tax Calculator
- Paycheck Calculator
- W-4 Calculator
- Withholding Optimizer
- Capital Gains Calculator
- Tax-Loss Harvesting
- Tax Analysis
- Tax Deadline Calculator
Retirement Planning
- Roth Conversion Calculator
- Withdrawal Strategy
- RMD Calculator
- Retirement Tax Planner
Auto Finance
- Car Loan Calculator
- Auto Refinance Calculator
- Car Lease vs. Buy Calculator
- Total Cost of Ownership
Investment Tools
- Options Trading Calculator
- Portfolio Diversification Analyzer
- Risk-Adjusted Return Calculator
- Stock Market AI
Real Estate
- Cash Flow & Return Calculator
- BRRRR Strategy Calculator
- Cap Rate Calculator
AI Assistance
- Tax AI Assistant
- Investment Recommendations
- Document Analysis
Featured Calculators
Capital Gains Calculator
Estimate taxes on your investment sales and optimize strategies
Use Calculator2025-2026 Tax Information
2025 Federal Tax Brackets
Standard Deductions
- Single: $14,600
- Married Filing Jointly: $29,200
- Head of Household: $21,900