Financial Calculators

Every tool is free, instant, and built on real financial formulas — with full explanations, worked examples and amortization schedules.

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Every calculator in one place — organized by category. Pick a tool, enter your numbers, and get instant results with the formula fully explained.

Auto Loan CalculatorEstimate your monthly car payment and total interest for any new or used auto loan, with a full…Loans
Break-Even Point CalculatorFind how many units your business must sell to cover all costs, plus your break-even revenue and contribution…Business
Compound Interest CalculatorSee how your money grows with compound interest, including regular monthly contributions and a growth chart.Savings
Credit Card Payoff CalculatorSee how long it will take to pay off your credit card balance and how much interest you…Personal Finance
Debt-to-Income Ratio CalculatorCalculate your debt-to-income (DTI) ratio, the key number lenders use to decide whether to approve your mortgage or…Personal Finance
Emergency Fund CalculatorCalculate how much you should have in an emergency fund based on your monthly expenses, and see how…Savings
Hourly to Salary ConverterConvert an hourly wage into weekly, monthly and annual salary based on hours worked per week and weeks…Personal Finance
Inflation CalculatorSee how inflation erodes the value of money over time — both the future amount needed to match…Personal Finance
Investment Return Calculator (CAGR)Calculate your annualized return (CAGR) and total return from any investment’s starting value, ending value and holding period.Investing
Loan Payment CalculatorCalculate the monthly payment, total interest and amortization schedule for any fixed-rate personal or business loan.Loans
Markup & Profit Margin CalculatorCalculate selling price from cost and markup, plus the profit and margin — the essential pricing math for…Business
Mortgage Payment CalculatorEstimate your monthly mortgage payment, total interest, and full amortization schedule for any fixed-rate home loan.Mortgage
Retirement Savings CalculatorProject your retirement nest egg from current savings, monthly contributions, expected return and years until retirement.Retirement
ROI CalculatorCalculate return on investment (ROI), net gain, and — optionally — annualized return, for any investment or business…Investing
Savings Goal CalculatorFind out exactly how much you need to save each month to reach any savings goal by your…Savings
Simple Interest CalculatorCalculate interest earned or owed using the simple interest formula: principal × rate × time.Personal Finance
Tip CalculatorCalculate tip amount, total bill and per-person split for any restaurant bill — no math, no arguments.Personal Finance