Free Personal Finance Calculators

Free debt payoff, loan amortization, compound interest and budget calculators. No signup, no ads, works on your phone.

Debt Snowball vs. Avalanche Calculator
Compare both payoff strategies on your actual debts and see how much interest the avalanche method saves — and how many months each takes.
Loan Payoff Calculator with Extra Payments
See your monthly payment, total interest, and exactly how much time and interest an extra monthly payment saves.
Compound Interest Calculator with Monthly Contributions
Project savings growth with monthly compounding, recurring contributions, and an optional annual contribution increase.
50/30/20 Budget Calculator
Split your take-home pay into needs, wants, and savings — with weekly targets you can actually spend against.

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