All 27 money calculators
Every tool is free, needs no sign-up, and answers instantly as you drag the sliders. Pick your question below — or check today's rates and the 2026 money numbers first.
Home & Mortgage
What a home really costs, and what you can afford.
Mortgage Calculator
Mortgage calculator with PMI, property taxes, insurance and HOA. See your real payment and total interest.
Mortgage Payoff Calculator
See the interest you save and the years you shave off by adding extra to your monthly mortgage payment.
Refinance Calculator
Compare your mortgage to a new rate, see the monthly savings, and find the break-even after closing costs.
Rent vs Buy Calculator
Compare the true cost of renting versus buying over the years you'll stay, and see the year buying pays off.
How Much House Can I Afford
Enter your income, debts and down payment to see the home price you can afford on the 28/36 rule.
Debt-to-Income Calculator
Enter your income and debts to see your front-end and back-end DTI, and where lenders draw the line.
Rent Affordability Calculator
See how much rent you can afford on your income with the 30% rule, plus the landlord 3x-income test.
Income & Taxes
Your true take-home pay, after taxes come out.
Take-Home Paycheck Calculator
Enter your salary and see your real paycheck after federal tax, Social Security, Medicare and 401(k).
Budget Calculator
Enter your take-home pay to see what goes to needs, wants and savings on the 50/30/20 rule.
Salary to Hourly Calculator
Convert a yearly salary to an hourly wage, or an hourly rate to a salary, plus monthly, weekly and daily pay.
Loans & Debt
Compare loans and pay off debt faster.
Auto Loan Calculator
Set the vehicle price, down payment, trade-in and APR to see your car payment, interest and true cost.
Car Affordability Calculator
Enter your take-home pay and down payment to see the car and payment you can afford on the 20/4/10 rule.
Personal Loan Calculator
Enter the amount, rate and term to see your monthly payment, total interest and the real cost of the loan.
Credit Card Payoff Calculator
See how many months to clear your balance, what minimums cost you, and what a bigger payment saves.
Debt Snowball vs. Avalanche Calculator
Up to 6 debts: the payoff order, the month each one clears, your debt-free date and what each method costs.
Saving & Investing
Grow your money and plan for the future.
Compound Interest Calculator
Watch your savings grow on a live chart, or flip it and find how long until you hit a goal like $1,000,000.
Net Worth Calculator
Add up your cash, investments, home and other assets, subtract your debts, and see your true net worth.
Retirement Calculator
See your nest egg, what the 4% (25x) rule pays a month, and your total with Social Security.
401(k) Calculator
Set your salary, contribution, employer match and return to project your 401(k) balance at retirement.
FIRE Calculator
See your FIRE number, your savings rate, the years until you retire early, and when you can coast.
Roth vs Traditional Calculator
Compare after-tax value in an IRA or a 401(k) on your tax rate now versus in retirement, and see which wins.
Roth IRA Calculator
See how your contributions grow tax-free by retirement, and how much of the balance is never taxed.
401(k) Match Calculator
See how much your employer match adds each year, whether you're capturing all of it, and what it grows to.
Savings Goal Calculator
Set a target and a date and see how much to save per month to get there, with interest working for you.
CD Calculator
Enter your deposit, APY and term to see how much interest a CD earns and what it's worth at maturity.
Emergency Fund Calculator
Find out how big a safety net you need, how big the gap is today, and how long it takes to close it.
Inflation Calculator
See how much your money's buying power shrinks over time, and what a given price today will cost later.
Quick-answer charts
The same math as the calculators, worked out for common amounts.
Hourly to salary chart →
$7.25 to $100 an hour, and $20k to $300k a year.
Rent you can afford →
By hourly wage and salary, with the landlord 3x check.
Credit card payoff times →
$1,000 to $50,000, including minimum-payment-only.
Car payment chart →
$10,000 to $80,000 over 36 to 84 months.
Run a blog or class site? Embed any of these calculators free.