Loading Financial Calculator Suite...

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

2025-2026 Tax Information

2025 Federal Tax Brackets

Standard Deductions

  • Single: $14,600
  • Married Filing Jointly: $29,200
  • Head of Household: $21,900

Frequently Asked Questions