Finance Calculators

Estimate your monthly mortgage payment from home price, down payment, interest rate and term — with taxes and insurance included.

Work out the monthly payment, total interest and total cost of any fixed-rate loan from amount, rate and term.

Estimate your monthly car payment including trade-in, down payment and sales tax.

See how savings or investments grow with compound interest, including monthly contributions.

Calculate simple interest and total repayment on a principal over time — the I = P × r × t formula.

Full amortization schedule for any loan: yearly principal, interest and remaining balance.

Work out the tip and total bill — and split it per person — in one tap.

Add sales tax to a price, or back it out of a tax-included total.

Find the sale price and the money saved from any percent-off discount — including stacked discounts.

How much to save each month to hit a savings goal by your deadline, with interest included.

See how long it takes to pay off a credit card balance and what the interest really costs.

See what inflation does to purchasing power — what today’s money will be worth, or what past money equals now.

Project how large your retirement nest egg could grow from your current savings, monthly contributions and an assumed return.

Project your 401(k) balance at retirement and see how much comes from your contributions, the employer match and investment growth.

Project the tax-free balance of a Roth IRA at retirement from your annual contribution, age and expected return.

See your new payment, monthly savings and how many months it takes to recoup closing costs when you refinance a loan.

Estimate the maximum home price you can afford using the lender 28/36 debt-to-income rule.

Compare the simplified total cost of renting versus buying a home over the years you plan to stay.

Turn a down payment percentage into dollars and the loan amount, with a PMI note when you put down less than 20%.

Calculate your front-end and back-end debt-to-income (DTI) ratio and see how lenders would rate it.

Find your emergency fund target, the gap to reach it, and how long it takes at your monthly saving rate.

Add up your assets, subtract your liabilities, and see your total net worth with a full breakdown.

Calculate return on investment: total ROI, annualized ROI and net profit from what you put in and got back.

Find the future value of a lump sum after growth at a given rate, term and compounding frequency.

Find how much you need today to reach a future amount, discounted at a chosen annual rate.

See the monthly payout a lump sum can provide over a set number of years before it runs out.

Calculate the maturity value and interest of a certificate of deposit from the rate, term and compounding.

Convert a nominal APR to its effective APY at any compounding frequency and see what compounding adds.

See how long it takes to pay off a debt, the total interest, and how much an extra monthly payment saves.

Add up monthly and yearly cash back across spending categories with different reward rates.

Find the units and revenue you must sell to cover fixed costs, given your price and variable cost per unit.

Convert a nominal return into a real, inflation-adjusted return using the exact Fisher equation.