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All money calculators

Every Dollar Math calculator in one place: 44 free tools for pay, taxes, mortgages, loans, saving, retirement and everyday math. Each one runs in your browser and explains how the numbers are worked out.

Pay & taxes

Paycheck Calculator

Take-home pay after federal, state and local taxes for all 50 states.

Income Tax Calculator

Your 2026 federal and state income tax, bracket and effective rate.

Salary to Hourly

Convert between hourly, weekly, monthly and yearly pay.

Bonus Tax Calculator

Take-home pay from a bonus after the 22% withholding and state tax.

Commission Calculator

Commission and total pay from sales, flat or tiered rates.

Overtime Calculator

Overtime pay at time-and-a-half or double time, weekly and yearly.

Pay Raise Calculator

New salary, take-home increase and real raise after inflation.

Sales Tax Calculator

Add or remove sales tax with 2026 rates for every state.

Self-Employment Tax Calculator

SE tax, income tax and quarterly estimates for freelancers and 1099 workers.

Time Card Calculator

Add up hours worked in a week, with breaks and overtime pay.

Home & mortgage

Mortgage Calculator

Monthly payment with taxes, insurance, PMI and an amortization schedule.

Home Affordability Calculator

How much house you can afford on your income and debts.

Mortgage Payoff Calculator

How extra payments shorten your mortgage and save interest.

Mortgage Refinance Calculator

New payment, monthly savings and break-even point of a refinance.

Rent vs Buy Calculator

Is buying a home better than renting for how long you'll stay?

Loans & debt

Loan Calculator

Payments and total interest for car, personal and student loans.

Auto Loan Calculator

Car payment with sales tax, trade-in, down payment and fees.

Credit Card Payoff Calculator

How long to pay off a card and how much interest you'll pay.

Debt Payoff Calculator

Snowball vs avalanche: your debt-free date and interest saved.

Debt-to-Income Ratio Calculator

Your DTI ratio and what lenders will think of it.

Student Loan Calculator

Monthly payment, total interest and the payoff date for student loans.

Saving & retirement

Compound Interest

See how savings and investments grow with monthly deposits.

401(k) Calculator

Project your 401(k) balance with employer match, raises and the 2026 limits.

APY Calculator

Convert APR to APY and see what a savings account really earns.

Budget Calculator (50/30/20)

Split take-home pay into needs, wants and savings.

CD Calculator

Interest earned on a certificate of deposit for any term and APY.

Emergency Fund Calculator

How much to keep for emergencies and how long to build it.

FIRE Calculator

Your financial independence number and how many years until you reach it.

Future & Present Value Calculator

Future value of savings, or what a future amount is worth today.

Inflation Calculator

What a dollar amount from any year since 1913 is worth today.

Net Worth Calculator

Add up what you own and owe, and compare with your age group.

Retirement Calculator

How big your nest egg will be and the monthly income it can pay.

ROI Calculator

Return on investment and annualized return for any investment.

Roth IRA Calculator

Tax-free growth, your 2026 contribution limit and income eligibility.

Savings Goal Calculator

How much to save each month to hit a target by a date.

Simple Interest Calculator

Interest with I = P × r × t, compared with compound interest.

Everyday math

Age Calculator

Exact age in years, months and days, plus your next birthday.

Date Calculator

Days between two dates, business days, or add days to a date.

Discount Calculator

Sale price, savings and stacked discounts like 30% + 20% off.

Gas Cost Calculator

Fuel cost for a trip or your commute, split between riders.

Profit Margin & Markup Calculator

Margin, markup and selling price from cost, for any product.

Percentage Calculator

Percent of a number, what percent, and percentage change.

Tip Calculator

Tip amount and split the bill between any number of people.

Unit Price Calculator

Compare price per ounce, pound or item to find the better buy.

Paycheck calculators by state