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Calculators

Fast, accurate calculators for everyday math — percentages, dates, discounts and more.

Everyday Math

Fraction Calculator

Add, subtract, multiply and divide fractions, with results simplified automatically.

Date Calculator

Find the number of days between two dates, or add/subtract days, weeks, months or years from a date.

Age Calculator

Calculate exact age in years, months and days from a date of birth.

Mortgage & Home Loans

Mortgage Calculator

Estimate your monthly mortgage payment, total interest and total repayment from home price, down payment, rate and term.

Mortgage Refinance Calculator

Compare your current mortgage against a refinance offer: monthly payment change, lifetime cost difference, and break-even on closing costs.

Rent vs. Buy Calculator

Compare the projected net worth of buying a home against renting and investing the difference, over a horizon you choose.

Home Equity Loan Calculator

Estimate your home equity, loan-to-value (LTV) and combined LTV, plus the fixed monthly payment on a home equity loan.

Auto Loans & Leases

Auto Loan Calculator

Estimate your monthly car payment, amount financed, total interest and total repayment from vehicle price, down payment, trade-in, APR and term.

Auto Loan Payoff Calculator

Find out how long your car loan will take to pay off at your current payment, and how much an extra payment could save.

Auto Lease Calculator

Estimate your monthly car lease payment from negotiated price, residual value, money factor (or APR), term and tax.

Auto Refinance Calculator

Compare your current auto loan against a refinance offer: monthly payment change, lifetime cost difference, and break-even on fees.

Credit & Debt Management

Credit Card Payoff Calculator

Find out how long it will take to pay off a credit card balance with a fixed payment, or the payment needed to hit a target payoff date.

Debt-to-Income (DTI) Calculator

Calculate your debt-to-income ratio from your gross monthly income and monthly debt payments, including separate front-end and back-end DTI.

Personal & Business Loans

Loan Calculator

Estimate the monthly payment, total interest and total repayment on any fixed-rate loan from its principal, APR and term.

Business Loan Calculator

Estimate the monthly payment, total interest and total repayment on a business loan from its principal, APR and term.

Student Loan Calculator

Estimate your student loan monthly payment, total interest and repayment, and how much an extra payment could save.

Retirement & Investing

Retirement Calculator

Project your retirement nest egg from your current savings, contributions, expected return and inflation — in both future and today's dollars.

401(k) Calculator

Project your 401(k) balance at retirement from your salary, contribution rate, employer match, and expected return — with your own and your employer's contributions shown separately.

ROI Calculator

Calculate return on investment and net gain/loss from an initial investment and either a final value or a gain amount.

Compound Interest Calculator

Calculate how a principal grows with compound interest, with an optional recurring contribution and a simple-interest comparison.

Savings Goal Calculator

Find the monthly contribution needed to hit a savings goal, or project your future balance from current savings and a monthly contribution.

Business & Pricing

Markup Calculator

Find the selling price and profit from a cost and a markup percentage, or the markup percentage between a cost and a price.

Break-Even Calculator

Find the break-even point in units and revenue from fixed costs, selling price and variable cost per unit.

Commission Calculator

Calculate sales commission from a sales amount and commission rate, with an optional base pay.

Sales Tax Calculator

Add sales tax to a price, or work backward from a tax-included total to find the pre-tax subtotal.

VAT Calculator

Add VAT to a net amount, or work backward from a VAT-inclusive price to find the net amount and VAT.