Free Personal Finance Calculators

Plan your money with clear numbers. Every calculator runs instantly in your browser, with plain-English explanations of the math behind each result. No sign-up, no data collection.

📈

Compound Interest Calculator

See how your money grows with compound interest, including monthly contributions and different compounding frequencies.

🏦

Loan Payment Calculator

Estimate monthly payments, total interest, and total cost for any fixed-rate loan, mortgage, or auto loan.

🎯

Savings Goal Calculator

Find out exactly how long it will take to reach your savings target, or how much to save each month to hit a deadline.

📉

Inflation Calculator

Understand what inflation really does to your purchasing power over time, in both directions.

🔥

FIRE Calculator

Calculate your financial independence number and how many years stand between you and early retirement.

🏠

Mortgage Payoff Calculator

Find out how extra principal payments shorten your mortgage term and the total interest you avoid.

💳

Debt Payoff Calculator

Compare the avalanche and snowball methods to see which debt strategy saves the most time and interest.

📊

50/30/20 Budget Calculator

Instantly split your after-tax income into needs, wants, and savings using the popular balanced budget rule.

💼

Net Worth Calculator

Add up every asset and liability you track to see your real wealth, debt ratio, and equity breakdown at a glance.

🏖️

Retirement Withdrawal Calculator

Test the 4% rule against your own savings, returns, and inflation, with a full year-by-year withdrawal schedule.

💰

Credit Card Minimum Payment Calculator

See how long minimum payments really take, how much interest they carry, and how much a small extra payment saves.

💡

Why PennyWise Calcs?

Learn who we are, how our calculators work, and our editorial standards for accuracy and transparency.