Finance Calculators

Free online finance calculators for loans, savings, interest and investing. Compare mortgage and auto loan payments, plan your savings goals, and understand how compound interest works.

How to Use These Finance Calculators

Every calculator on this page is free and works directly in your browser - your numbers never leave your device. Enter a few values, and results update instantly as you type. Use them to plan a home purchase, compare loan offers, or build a realistic savings plan.

  • Loans - mortgage, auto, home equity and personal loan payments
  • Savings - CDs, savings goals and compound interest growth
  • Debt - credit card payoff timelines and interest costs
  • Retirement - project your retirement savings growth

CD Calculator

Estimate how much your certificate of deposit will grow with compound interest.

Savings Goal Calculator

Find out how much you need to save each month to reach your savings goal.

Home Equity Loan Calculator

Calculate monthly payments for a home equity loan or HELOC and your available equity.

Compound Interest Calculator

See how your investment grows over time with compound interest and monthly contributions.

Loan Payment Calculator

Calculate your monthly loan payment and total interest for any loan.

Credit Card Payoff Calculator

See how long it takes to pay off your credit card balance and how much interest you will pay.

Rent vs Buy Calculator

Compare the total cost of renting versus buying a home over time.

Auto Loan Calculator

Estimate your monthly car loan payment, total interest and total cost.

Retirement Savings Calculator

Project how much your retirement savings will be worth and whether you are on track.

Mortgage Calculator

Estimate your monthly mortgage payment including principal, interest, taxes and PMI.

Simple Interest Calculator

Calculate the interest earned on a principal amount with simple interest.

Inflation Calculator

See how inflation changes the buying power of your money over time.

Paycheck Calculator

Estimate your take-home pay per paycheck after taxes and deductions.

Discount Calculator

Find the final price of an item after a discount and how much you save.

Sales Tax Calculator

Calculate the sales tax amount and total price including tax.

Tip Calculator

Calculate the tip, the total bill and how much each person pays.

Amortization Calculator

See a full amortization schedule of your loan payments - principal, interest and balance.

Home Affordability Calculator

Estimate how much house you can afford based on your income, debt and down payment.

Student Loan Calculator

Calculate your monthly student loan payment and total interest over the loan term.

Refinance Calculator

Compare your current mortgage with a refinanced loan to see if it saves you money.

Biweekly Payment Calculator

See how paying your mortgage every two weeks shortens your loan term and saves interest.

Roth IRA Calculator

Project the future value of your Roth IRA and compare tax-free growth over time.

Debt Payoff Calculator

See how long it takes to clear your debts and how much interest you can save with extra payments.

Investment Growth Calculator

Project how much your investment grows with contributions and compounding returns.