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Retirement
Retirement Calculator Enter your age, savings, and monthly contribution to see what your retirement balance could become, shown both in future dollars and in today’s purchasing power. IRA Growth Calculator See how regular IRA contributions can grow over time with monthly compounding. Mega Backdoor Roth Calculator Calculate the extra after-tax 401(k) contributions you can make and convert to Roth, on top of your normal deferral and employer match. Coast FIRE Calculator Coast FIRE is the amount invested today that grows into your full retirement target on its own, letting you stop adding new money. FIRE Number Calculator Your FIRE number is the portfolio that can cover your annual expenses at a safe withdrawal rate, which is 25 times expenses at the classic 4% rate. Retirement Drawdown Calculator See how long your retirement savings last under a yearly withdrawal that rises with inflation, at your expected return. 401(k) Match Calculator See how much employer match you earn, whether you are leaving any free money on the table, and how it grows over time. Pension vs Lump Sum Calculator Compare a lifetime pension against a lump sum in today’s dollars, and see the return that would make taking the lump sum the better call. Traditional vs Roth 401(k) Calculator Compare a Traditional and Roth 401(k) on what you actually keep after tax, held to an equal take-home cost. Roth IRA Contribution Limit Calculator (2026) See how much you can put in a Roth IRA this year once the income phase-out is applied for your filing status. Backdoor Roth Calculator See the true tax cost of a backdoor Roth once the pro-rata rule counts your existing pre-tax IRA money. RMD Calculator Calculate the minimum you must withdraw from a pre-tax retirement account this year, using the IRS Uniform Lifetime Table. Social Security Break-Even Calculator Compare claiming Social Security early against waiting, and find the age where the larger later checks overtake the early head start. Solo 401(k) Calculator Find your maximum Solo 401(k) contribution, combining the employee salary deferral with the employer profit-sharing share. SEP-IRA Calculator Calculate your maximum SEP-IRA contribution, which is 20 percent of net self-employment income up to the annual limit. Social Security Tax Calculator See how much of your Social Security benefit is subject to federal income tax, based on your other income. Roth Conversion Ladder Calculator Plan a Roth conversion ladder, seeing the tax on each year of conversions and the total across the plan. 72(t) SEPP Calculator Calculate 72(t) substantially equal periodic payments to tap a retirement account before 59.5 without the penalty. Inherited IRA Calculator Plan withdrawals from an inherited IRA under the 10-year rule, with the level annual amount that empties it by the deadline.
Investing
Compound Interest Calculator See how a starting balance plus regular contributions grows with compound interest over time. Investment Growth Calculator Project how an investment portfolio grows when you invest a fixed amount each month. Inflation Calculator See what a future amount of money is worth in today’s purchasing power after inflation. Rule of 72 Calculator The Rule of 72 estimates how many years it takes your money to double at a given annual return. Savings Goal Calculator Find the monthly amount you need to save to reach a target by a chosen date. Time to Reach a Savings Goal Find how long it takes to reach a target, like your first $1 million, at your current savings rate. Emergency Fund Calculator Set your emergency fund target from a few months of essential expenses, and see how long it takes to build at your current savings rate. APY Calculator Find the true annual percentage yield of a rate once compounding is counted, and project how a savings deposit grows. Net Worth Calculator Add up what you own and subtract what you owe to see your net worth, the clearest single number for your financial health. Dividend Reinvestment Calculator See how reinvesting dividends compounds into more shares over time, and how much more it builds than taking the dividends as cash. Dollar-Cost Averaging vs Lump Sum Calculator Compare investing a lump sum all at once against dollar-cost averaging it in over time, and see which comes out ahead. CD Calculator See what a certificate of deposit grows to at maturity, the interest it earns, and its true annual percentage yield. Millionaire Calculator Find how many years it takes to reach $1 million from your current savings, your monthly contribution, and your expected return. Investment Fee Calculator See what a fund expense ratio really costs over decades, by comparing the same portfolio gross and net of the fee. Total Stock Return Calculator See a stock true total return from price gains plus reinvested dividends, and how much of it came from dividends. CD Ladder Calculator Build a CD ladder and see each rung maturity value and the total interest, splitting a deposit across staggered terms. Asset Allocation by Age Calculator See a stocks-versus-bonds split for your age using the rule-of-thumb formula, with the dollar amount on each side. Cost Basis Calculator See the capital gain, the long-term tax, and the net cash from selling part of a position, plus the basis you still hold.
Housing
Mortgage Calculator Calculate your true monthly payment with principal, interest, tax, insurance, PMI, and HOA, and see when PMI drops off. Mortgage Payoff Calculator See how much time and interest you save by adding extra principal to your mortgage payment each month. Rent vs Buy Calculator Compare renting and buying by ending net worth, counting the return you could earn by investing the down payment and monthly savings instead. Home Affordability Calculator Find the home price your income supports, using the front-end and back-end debt-to-income limits that lenders apply. Refinance Calculator See how much refinancing saves each month, how long it takes to earn back the closing costs, and the effect over the life of the loan. Biweekly Mortgage Calculator See how paying half your mortgage every two weeks pays it off years early, saves interest, and removes PMI sooner by reaching 20 percent equity faster. ARM vs Fixed Mortgage Calculator Compare an adjustable-rate and a fixed mortgage, weighing the lower intro payment against the payment shock and extra interest at reset. Auto Loan Calculator Find your monthly car payment and the total interest you will pay from the vehicle price, your down payment and trade-in, the rate, and the term. Rental Property ROI Calculator Analyze a rental with the numbers investors use, the net operating income, monthly cash flow, cash-on-cash return, and cap rate. Cap Rate Calculator Find a property cap rate and net operating income from the rent, vacancy, and operating expenses, the yield you can compare across deals. Rental Cash Flow Calculator See a rental true monthly cash flow after the mortgage, vacancy, and every operating expense, so you know if it pays for itself. The 1% Rule Calculator Check a rental against the 1% rule, the fast screen where monthly rent should be at least 1 percent of the all-in cost. Fix and Flip Calculator Run a flip with the 70% rule, seeing the maximum offer, the projected profit after every cost, and the return on the project. BRRRR Calculator Model a BRRRR deal, seeing how much the refinance pulls back out, what stays in the deal, and the resulting cash-on-cash return. Home Sale Net Proceeds Calculator Find what you actually walk away with from a home sale after the mortgage payoff, commission, closing costs, and repairs. Lease vs Buy Car Calculator Compare leasing and buying a car over the same term, netting the buy cost against resale value to see which is cheaper. 1031 Exchange Calculator See how much capital gains tax and depreciation recapture a 1031 exchange defers when you swap investment properties. Rental Depreciation Calculator Calculate the annual depreciation deduction on a rental and the recapture tax owed when you sell. Short-Term Rental Calculator Estimate the annual cash flow of a short-term rental from the nightly rate, occupancy, fees, and fixed costs. House Hacking Calculator See how renting out rooms or units offsets your mortgage, and how much you save versus renting elsewhere.
Taxes
Federal Income Tax Calculator (2026) Calculate your federal income tax on a given taxable income, with a clear bracket-by-bracket breakdown. Effective vs Marginal Tax Rate Calculator (2026) Compare your marginal tax bracket with your true effective rate, the two numbers most people mix up. Tax Bracket Calculator (2026) Find out which federal tax bracket your income falls into for 2026. Bonus Tax Calculator Your bonus is withheld at a flat 22%, but your real tax on it depends on your bracket. This shows the gap. Roth Conversion Calculator See the federal tax cost of a Roth conversion and the bracket it pushes you into this year. Self-Employment Tax Calculator (2026) Work out your self-employment tax for 2026, the 15.3 percent that covers Social Security and Medicare when you work for yourself. HSA Tax Savings Calculator (2026) See what an HSA contribution saves in federal income tax and FICA this year, and the real cost of the contribution after those savings. Take-Home Paycheck Calculator (2026) See what lands in your paycheck after federal income tax and FICA, and how pre-tax 401(k) and benefits change it. Quarterly Estimated Tax Calculator (2026) Estimate your quarterly tax payments as a self-employed person, combining self-employment tax and federal income tax. Capital Gains Tax Calculator (2026) Calculate the tax on a long-term capital gain in 2026, with the gain stacked on your income across the 0, 15, and 20 percent rates. QBI Deduction Calculator Estimate your 20 percent Section 199A qualified business income deduction, with the 2026 thresholds, wage limit, and SSTB phase-out. Take-Home Pay by State Calculator See your real take-home pay in your state after federal income tax, Social Security and Medicare, and state income tax. State Income Tax Calculator Estimate your 2026 state income tax from your income and filing status, using your state brackets and standard deduction. Reverse Paycheck Calculator Work backward from the take-home pay you want to the gross salary you need in your state, after every tax.
Income & Compensation
RSU Calculator Your vesting RSUs are withheld at a flat 22%, but your real tax depends on your bracket. This shows the shortfall you may owe at filing. ESPP Calculator An ESPP lets you buy company stock at a discount. With a lookback, your effective discount and return can be much larger than the stated rate. Salary to Hourly Calculator Turn a yearly salary into an hourly rate, and see the weekly, biweekly, and monthly pay it works out to. Raise Calculator See what a raise is really worth once inflation is removed, in both a real percentage and today buying power. Freelance Rate Calculator Find the hourly rate a contractor needs to match a salary, once payroll tax, benefits, and unbillable time are covered. ISO AMT Calculator (2026) See the alternative minimum tax that exercising incentive stock options can trigger, from the bargain element you never received in cash. Break-Even Calculator Find how many units you must sell to break even, from your fixed costs, price, and variable cost per unit. S-Corp vs Sole Proprietor Calculator See how S-corp status can cut self-employment tax by splitting profit into a reasonable salary and a distribution. 1099 vs W-2 Calculator A 1099 rate must cover the employer taxes and benefits a W-2 job includes. See the equivalent W-2 salary to compare fairly. Cost of an Employee Calculator An employee costs far more than their salary. See the true loaded cost with payroll taxes, benefits, and overhead. Home Office Deduction Calculator Compare the simplified and actual home office deduction methods to find which gives the larger write-off. Self-Employed Health Insurance Deduction Calculator See the tax you save with the self-employed health insurance deduction, which writes off your premiums above the line.
Education & Family
529 College Savings Calculator Project how a 529 plan grows with regular contributions before college starts. Student Loan Payoff Calculator See how paying extra each month gets you out of student debt faster and cuts total interest. Credit Card Payoff Calculator See how long a credit card takes to pay off and how much extra payments accelerate it. Debt Snowball vs Avalanche Calculator Enter your debts and a monthly budget to see the snowball and avalanche side by side, with the months and interest each one costs. Life Insurance Calculator Estimate how much life insurance you need with the DIME method, adding debt, income, mortgage, and education, then subtracting what you have. Personal Loan Calculator See the monthly payment, total interest, and payoff time on a personal loan, and how much extra payments save. Debt Consolidation Calculator See whether rolling your debts into one loan lowers your monthly payment and your blended interest rate. Balance Transfer Calculator See whether a balance transfer saves more in interest than its fee costs, with the net savings and the break-even month. Loan Comparison Calculator Compare up to three loans side by side on monthly payment and total interest, and see how much the cheapest saves. Term vs Whole Life Insurance Calculator Compare term and whole life by investing the premium difference, to test whether buy term and invest the rest wins. HSA vs FSA Calculator Compare an HSA and an FSA. Both cut this year taxes, but only an HSA rolls over and grows tax-free. Cost of Raising a Child Calculator Estimate the full cost of raising a child to 18, growing each year cost by inflation, in both future and today dollars. Disability Insurance Calculator Find the monthly disability benefit you need to replace your income if you could not work, after any coverage you have. Child Tax Credit Calculator Estimate your 2026 Child Tax Credit from the number of children and your income, including the phase-out. Dependent Care FSA vs Credit Calculator Compare the Dependent Care FSA and the Child and Dependent Care Credit to see which saves more on childcare. HDHP vs PPO Calculator Compare an HDHP with an HSA against a PPO on total annual cost, including premiums, out-of-pocket, and the HSA tax break. Long-Term Care Calculator Estimate the future cost of long-term care and the gap your savings leave, so you can size coverage.