Free Online Finance
Calculators & Tools
Make smarter financial decisions with our accurate, easy-to-use calculators. Mortgage, loans, investments, taxes, and more — all free, no sign-up required.
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Mortgage Calculators
Calculate mortgage payments, affordability, refinancing, and amortization schedules.
Loan Calculators
Calculate auto loans, personal loans, student loans, and debt payoff strategies.
Investment Calculators
Plan your investments, retirement, and calculate compound interest growth.
Tax Calculators
Estimate income tax, paycheck deductions, capital gains, and more.
Business Calculators
Calculate profit margins, ROI, break-even points, and business metrics.
Everyday Calculators
Tip calculators, percentage calculators, salary converters, and more.
All Calculators
Mortgage Calculator
Calculate your monthly mortgage payment based on home price, down payment, interest rate, and loan term.
Affordability Calculator
Find out how much house you can afford based on your income, debts, and down payment.
Refinance Calculator
See if refinancing your mortgage could save you money with a break-even analysis.
Auto Loan Calculator
Calculate your monthly car payment and total cost of an auto loan.
Personal Loan Calculator
Calculate monthly payments and total interest for a personal loan.
Credit Card Payoff Calculator
Find out how long it will take to pay off your credit card balance and how much interest you'll pay.
Compound Interest Calculator
See how your money grows over time with the power of compound interest.
Retirement Calculator
Plan for retirement by estimating how much you need to save each month.
Savings Calculator
Calculate how your savings will grow over time with regular deposits.
Income Tax Calculator
Estimate your federal income tax based on filing status, income, and deductions.
Paycheck Calculator
Calculate your take-home pay after federal and state taxes and deductions.
Profit Margin Calculator
Calculate gross, operating, and net profit margins for your business.
ROI Calculator
Calculate return on investment to evaluate the profitability of an investment.
Tip Calculator
Quickly calculate tips and split bills between friends at restaurants.
Percentage Calculator
Calculate percentages, percentage change, and what percent one number is of another.
Salary Calculator
Convert between annual salary, monthly, bi-weekly, weekly, and hourly pay rates.
BMI Calculator
Calculate your Body Mass Index (BMI) and find out your weight category.
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