Free Financial Calculator Online
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Free Online Business and Financial Calculators

Free, private calculators for loans, mortgages, savings, retirement, business metrics, and statistics. Every tool shows its formula and works on any device.

Financial Calculators

Interest, loans, investments, retirement, and financial ratios.

All 13 financial calculators

Business Calculators

Pricing, margins, break-even, and marketing metrics.

All 10 business calculators

Statistics Calculators

Descriptive statistics, sample size, and fair random draws.

All 9 statistics calculators

Real Estate Calculators

Mortgages, refinancing, affordability, equity, and home costs.

All 14 real estate calculators

Personal Finance Calculators

Budgeting, pay, everyday loans, and retirement planning.

All 13 personal finance calculators

Free business and financial Calculators available for all. Try our TVM Calculator.

Flat illustration of a calculator with number keys and colored operation keys

Car Loan Calculator

Plan your car payments, see how much you can expect to owe and account for changes to your interest rate.

Illustration of a blue car beside an insurance policy clipboard and a green shield with a checkmark

Life Clock Calculator

If the average life expectancy were compressed into a single 24 hour calendar, how far into the day would you be? Let’s find out.

Clock face reading 11:55 over a misty mountain path

Check out some of our other popular calculators including a random number generator used for giveaways, a break-even point calculator to help you understand if and when you’re making a profit and a representative sample calculator so you can actually do polls that matter.

Two black dice surrounded by scattered random numbers

Random Email Picker

Running a giveaway and need to randomly select a winning email from a list of emails? Use our free tool that will pick the winner for you.

Hand-drawn break-even analysis chart where the total revenue line crosses total costs

Break Even Point Calculator

Enter your fixed costs, sale price per unit and variable cost per unit and figure out where your break-even point is.

Icon of a magnifying glass selecting a small group from a crowd of people

Representative Sample Calculator

Need to calculate the representative sample of a target population? Enter the population size, the confidence level and the margin of error percentage desired.

One person handing a small model house to another over a signed document

Online Mortgage Loan Calculator

Welcome to our simple but user-friendly Online Mortgage Loan Calculator, designed to provide quick and accurate estimates for your mortgage payments.

Frequently Asked Questions

›Are these calculators really free?

Yes. Every calculator is free to use with no sign-up. Calculations run in your browser, and nothing you enter is stored or sent to us.

›How accurate are the results?

Each calculator uses standard, published formulas that are covered by automated tests, and every page explains the formula it uses. Results are estimates for planning; confirm important decisions with a lender, accountant, or financial advisor.

›Which calculator should I start with?

For borrowing, try the mortgage or loan calculators. For saving and investing, start with the compound interest or retirement calculators. Business owners usually start with break-even, profit margin, or customer lifetime value.