Free Financial Calculators

Free calculators that do the maths for you — compound interest, budgeting, debt payoff, FIRE planning, and emergency funds. All in one place.

5 toolsNo signupAlways free

See how your money grows with compound interest. Year-by-year breakdown with multiple compounding frequencies.

Build your monthly budget using the 50/30/20 rule. Know exactly where your money goes.

Find your exact debt-free date and total interest paid. Full amortization schedule included.

Calculate the amount you need to retire early using the 4% rule. See your financial independence timeline.

Find your personalised emergency fund target based on job stability, expenses, and dependents.