Free tools to help you plan loans, mortgages, savings, investments, and everyday money decisions. No sign-up needed — results are instant.
Calculate your monthly payment, total interest, and full loan cost for any home mortgage. Add property tax and insurance for a complete picture.
Determine monthly payments and total interest for any personal, auto, or student loan. Includes estimated payoff date.
See how your savings or investment grows with compound interest. Choose daily, monthly, quarterly, or annual compounding.
Project your investment portfolio growth with both an initial deposit and ongoing monthly contributions over any time period.
Find your exact debt-free date. Enter your balance, interest rate, and monthly payment to see your full payoff timeline.
Calculate the total interest earned on any principal with customizable compounding frequency and time period.
Calculate the percentage increase or decrease between any two values. Great for price changes, salary growth, and investment returns.
Instantly calculate the final price after any discount percentage and see exactly how much you're saving.
Calculate tip and split the bill between any number of people. Includes quick-select preset tip percentages.
Financial decisions — whether buying a home, paying off debt, or growing savings — involve compounding variables that are difficult to compute mentally. Our calculators handle the math instantly, allowing you to compare scenarios, adjust inputs in real time, and build confidence in your financial decisions.
For example, our mortgage calculator lets you instantly see how changing your interest rate by just 0.5% affects your monthly payment and total interest over 30 years — a difference that can easily reach $30,000 or more. Our investment calculator can show you how starting to save $100/month at age 25 versus 35 changes your retirement balance by hundreds of thousands of dollars.
All tools are 100% free, work entirely in your browser, and never store your financial data.