Finance Calculators

Take control of your financial future with our free planning tools

7 Free Calculators

About Finance Calculators

Our finance calculators help you make smarter money decisions. Whether you're planning for early retirement with FIRE, figuring out mortgage payments, or tracking compound interest on your investments, these tools give you the numbers you need.

All calculations happen instantly in your browser - your financial data is never sent to any server. Use these calculators to build your emergency fund, pay off debt strategically, or plan your path to financial independence.

Popular Finance Calculations

  • FIRE Number: Your annual expenses × 25 (based on the 4% safe withdrawal rate)
  • Emergency Fund: 3-6 months of essential expenses for most situations
  • Rule of 72: Divide 72 by your interest rate to estimate doubling time
  • Debt Avalanche: Pay minimums on all debts, extra to highest interest rate