Financial Math

Calculate the future value of a series of periodic payments.

Calculates future value of an investment with compound interest.

Calculate final amounts for exponential growth or decay over time.

Calculate monthly payments and total interest for various types of loans.

Calculate the percentage increase or decrease between two values.

Calculate the percentage of a value easily.

Determine how much you need to save each month to reach your financial goals.

Calculate simple interest on a principal amount over time.

Calculate monthly car payment and total interest for auto loans.

Calculate monthly mortgage payments and total interest.

Compare the true cost of borrowing by seeing how APR and nominal interest rate differ.

Calculate vehicle depreciation over time.

Calculate down payment and closing costs for home purchase.

Enter a percent, decimal, or fraction and instantly convert it to all three forms — with step-by-step work showing exactly how each conversion is done.

Enter your loan balance, interest rate, and monthly payment to see your standard payoff timeline. Add an extra monthly amount to instantly see how many months you save and how much interest you avoid.

Apply the 50/30/20 budgeting rule to your monthly take-home income. See your target allocations for needs, wants, and savings — and optionally enter your actual spending to spot where you are over or under budget.

List your assets (cash, investments, property) and liabilities (mortgage, loans, credit cards) to calculate your net worth and debt-to-asset ratio. Track progress toward financial independence.

Calculate return on investment as a percentage, net profit, and annualized rate of return.

See how inflation erodes purchasing power and what today's money will be worth in the future.