Financial Calculators
Fast, accurate financial calculators with transparent assumptions. Every input explained, every output sourced.
73 calculators available
Taxes
Federal, state, paycheck, and capital gains tax calculators
55 calculatorsInvesting
Investment returns, compound interest, dividends, and savings calculators
4 calculatorsReal Estate
Mortgage, affordability, refinance, and rent vs. buy calculators
5 calculatorsLoans & Money
Loan payments, auto loans, debt consolidation, and balance transfer calculators
5 calculatorsFIRE & Retirement
Financial independence, retirement planning, 401(k), and Coast FIRE calculators
4 calculatorsPopular Calculators
Income Tax Calculator
TaxesCalculate your federal and state income taxes. See your effective tax rate, marginal bracket, and take-home pay after all deductions.
Paycheck Calculator
TaxesSee exactly what you take home each paycheck after federal taxes, state taxes, Social Security, and Medicare deductions.
Capital Gains Tax Calculator
TaxesEstimate capital gains taxes on your investment profits. Compare short-term vs long-term rates across all states.
Mortgage Calculator
Real EstateCalculate your monthly mortgage payments, total interest, and amortization schedule to make informed home buying decisions
FIRE Calculator
FIRE & RetirementEvery dollar saved brings retirement closer—tweak your numbers in our FIRE calculator and see how soon you can break free!
Compound Interest Calculator
InvestingSee the exponential power of compound interest. Calculate how your money grows over time with regular contributions and reinvested returns.
Retirement Calculator
FIRE & RetirementPlan your retirement by projecting your savings growth and estimating your retirement needs
Loan Calculator
Loans & MoneyCalculate your loan payments, interest, and create an amortization schedule. Make informed decisions about your loan with our comprehensive calculator.
How to Use Our Calculators
Our calculators are designed to give you fast, actionable answers to real financial questions. Here is how to get the most out of them.
Every calculator asks for specific inputs — things like your income, filing status, loan amount, or investment timeline. Each input field includes a tooltip or label explaining exactly what it means and where to find the number (for example, “gross annual salary” means your total pay before taxes, which you can find on your W-2 or offer letter).
The assumptions behind every calculation are visible and adjustable. When we use a default value — like a 7% average market return or current federal tax brackets — we show you where that number comes from and let you change it. No black boxes.
Outputs are presented as clear summaries with supporting breakdowns. You will see a headline number (like your estimated tax liability or monthly mortgage payment) along with charts and tables showing how that number was calculated.
These calculators are educational tools, not financial advice. They show hypothetical scenarios based on the inputs you provide. For decisions involving significant money, we recommend consulting a qualified financial professional. All tax brackets and rates are updated for the current filing year, and we note the effective date on every calculator that uses time-sensitive data.
All Calculators
Taxes
(55)
Taxes
(55)Calculate your federal and state income taxes. See your effective tax rate, marginal bracket, and take-home pay after all deductions.
5-10 minutesSee exactly what you take home each paycheck after federal taxes, state taxes, Social Security, and Medicare deductions.
3-5 minutesEstimate capital gains taxes on your investment profits. Compare short-term vs long-term rates across all states.
3-5 minutesEstimate annual property tax based on assessed home value and your local tax rate. Compare rates across states and counties.
1-2 minutesCalculate your Alabama state income tax. Estimate your AL tax liability based on income, filing status, and deductions.
3-5 minutesAlaska has no state income tax. Use this calculator to see your federal tax burden if you live in Alaska.
3-5 minutesCalculate your Arizona state income tax. Estimate your AZ tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Arkansas state income tax. Estimate your AR tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your California state income tax. Estimate your CA tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Colorado state income tax. Estimate your CO tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Connecticut state income tax. Estimate your CT tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Delaware state income tax. Estimate your DE tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your District of Columbia state income tax. Estimate your DC tax liability based on income, filing status, and deductions.
3-5 minutesFlorida has no state income tax. Use this calculator to see your federal tax burden if you live in Florida.
3-5 minutesCalculate your Georgia state income tax. Estimate your GA tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Hawaii state income tax. Estimate your HI tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Idaho state income tax. Estimate your ID tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Illinois state income tax. Estimate your IL tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Indiana state income tax. Estimate your IN tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Iowa state income tax. Estimate your IA tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Kansas state income tax. Estimate your KS tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Kentucky state income tax. Estimate your KY tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Louisiana state income tax. Estimate your LA tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Maine state income tax. Estimate your ME tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Maryland state income tax. Estimate your MD tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Massachusetts state income tax. Estimate your MA tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Michigan state income tax. Estimate your MI tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Minnesota state income tax. Estimate your MN tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Mississippi state income tax. Estimate your MS tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Missouri state income tax. Estimate your MO tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Montana state income tax. Estimate your MT tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Nebraska state income tax. Estimate your NE tax liability based on income, filing status, and deductions.
3-5 minutesNevada has no state income tax. Use this calculator to see your federal tax burden if you live in Nevada.
3-5 minutesNew Hampshire has no state income tax. Use this calculator to see your federal tax burden if you live in New Hampshire.
3-5 minutesCalculate your New Jersey state income tax. Estimate your NJ tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your New Mexico state income tax. Estimate your NM tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your New York state income tax. Estimate your NY tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your North Carolina state income tax. Estimate your NC tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your North Dakota state income tax. Estimate your ND tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Ohio state income tax. Estimate your OH tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Oklahoma state income tax. Estimate your OK tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Oregon state income tax. Estimate your OR tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Pennsylvania state income tax. Estimate your PA tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Rhode Island state income tax. Estimate your RI tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your South Carolina state income tax. Estimate your SC tax liability based on income, filing status, and deductions.
3-5 minutesSouth Dakota has no state income tax. Use this calculator to see your federal tax burden if you live in South Dakota.
3-5 minutesTennessee has no state income tax. Use this calculator to see your federal tax burden if you live in Tennessee.
3-5 minutesTexas has no state income tax. Use this calculator to see your federal tax burden if you live in Texas.
3-5 minutesCalculate your Utah state income tax. Estimate your UT tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Vermont state income tax. Estimate your VT tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Virginia state income tax. Estimate your VA tax liability based on income, filing status, and deductions.
3-5 minutesWashington has no state income tax. Use this calculator to see your federal tax burden if you live in Washington.
3-5 minutesCalculate your West Virginia state income tax. Estimate your WV tax liability based on income, filing status, and deductions.
3-5 minutesCalculate your Wisconsin state income tax. Estimate your WI tax liability based on income, filing status, and deductions.
3-5 minutesWyoming has no state income tax. Use this calculator to see your federal tax burden if you live in Wyoming.
3-5 minutesReal Estate
(5)
Real Estate
(5)Calculate your monthly mortgage payments, total interest, and amortization schedule to make informed home buying decisions
3-5 minutesCalculate how much you can lower your monthly mortgage payments by recasting your loan. See the impact of a lump sum payment on your mortgage.
3-5 minutesFind out how much house you can realistically afford based on your income, debts, and down payment—before you start shopping.
3-5 minutesThe honest rent vs buy comparison. See total 5, 10, 20-year costs including hidden expenses most calculators ignore.
5-10 minutesCalculate if refinancing makes sense. See your break-even point, monthly savings, and total interest savings over the life of the loan.
3-5 minutesInvesting
(4)
Investing
(4)Project your investment growth over time with our comprehensive calculator. Analyze returns, compound interest, and make data-driven investment decisions.
3-5 minutesEstimate your dividend income, calculate yield, and see how much your investments could pay you annually or monthly.
1-2 minutesSee the exponential power of compound interest. Calculate how your money grows over time with regular contributions and reinvested returns.
2-3 minutesCalculate how your savings will grow over time. Set a savings goal and see how long it takes to reach it with regular contributions.
2-3 minutesLoans & Money
(5)
Loans & Money
(5)Calculate your loan payments, interest, and create an amortization schedule. Make informed decisions about your loan with our comprehensive calculator.
3-5 minutesEstimate your savings and payoff timeline when transferring credit card balances to a lower-interest card. Compare fees, interest, and payoff strategies.
3-5 minutesCompare the debt snowball and avalanche methods side by side. See which strategy pays off your debt faster and saves more interest.
Compare consolidation loans against smart payoff strategies. See if combining your debts into one loan actually saves money — or if avalanche/snowball works better.
5-10 minutesCalculate your monthly car payment, total interest, and full amortization schedule. Compare loan terms to find the best deal on your next vehicle purchase.
2-5 minutesCrush your debt faster with the snowball or avalanche method. See your payoff timeline, compare strategies, and discover how much interest you'll save.
3-5 minutesFIRE & Retirement
(4)
FIRE & Retirement
(4)Every dollar saved brings retirement closer—tweak your numbers in our FIRE calculator and see how soon you can break free!
5-10 minutesPlan your retirement by projecting your savings growth and estimating your retirement needs
5-10 minutesProject your 401(k) balance at retirement. See the impact of contribution rate, employer match, and investment returns over your career.
5-10 minutesFind your Coast FIRE number—the point where your investments will grow to retirement on their own without another contribution.
3-5 minutesOur Commitment to Accuracy
Every Arcanomy calculator is built on documented methodology with transparent assumptions. We update tax brackets, interest rates, and formulas as regulations change, and we note the effective date on every tool. Our editorial standards prioritize accuracy over engagement.