📈 Finance
Understand loans, mortgages, credit cards, savings and investments: monthly payments, total interest, compound growth, payoff time and the effect of inflation. Formulas follow OpenStax and consumer guidance from the CFPB and SEC Investor.gov. Results are estimates for planning, not financial advice.
11 free finance calculators
Amortization Schedule CalculatorSee a loan’s monthly payment, total interest, remaining balance after any year, and how much interest and principal you pay in that year.Auto Loan CalculatorCar loan payment from vehicle price, down payment, trade-in, sales tax and fees: monthly payment, total interest and total cost.Compound Interest CalculatorSee how savings grow with compound interest and monthly contributions: future value, total contributions and interest earned.Credit Card Payoff CalculatorFind how many months it takes to pay off a credit card balance with a fixed monthly payment, and the total interest you will pay.Debt-to-Income (DTI) Ratio CalculatorCalculate your debt-to-income ratio (monthly debt payments ÷ gross monthly income) and housing ratio, as lenders do.Inflation CalculatorProject what an amount will cost in the future, and what it will be worth in today's money, at a steady annual inflation rate.Loan Payment CalculatorCalculate the fixed monthly payment, total interest and total cost of an amortized loan such as a car or personal loan.Mortgage Calculator (PITI)Estimate your monthly mortgage payment: principal and interest plus property tax, homeowners insurance and PMI.Retirement Savings CalculatorProject your retirement savings from current balance, monthly contributions and expected return, in future and today’s money.Savings Goal CalculatorFind how much you need to save each month to reach a savings goal by a target date, with interest compounded monthly.Simple Interest CalculatorCalculate simple interest I = P × r × t and the total amount repaid or earned on a loan or deposit.