All financial calculators

Payoff timelines, refinance savings, and debt-reduction strategy allocators.

• Auto Loan CalculatorCalculate your monthly car payment, total interest, and full amortization schedule. Enter vehicle price, down payment, trade-in value, rate, and loan term.
• Balance Transfer Break-Even CalculatorCalculate whether a balance transfer with a fee and 0% promo period saves you money vs. staying on your current card.
• Credit Card Payoff Timeline CalculatorCalculate how many months to pay off your credit card balance, total interest paid, and savings over the minimum payment.
• Debt Avalanche vs Snowball CalculatorCompare the avalanche (highest rate first) and snowball (lowest balance first) debt payoff strategies for two debts.
• Debt-to-Income Ratio CalculatorCalculate your debt-to-income ratio (DTI) in seconds. Enter your income and monthly debts to see your front-end and back-end DTI and whether you qualify for a mortgage.
• Income-Driven Repayment (IDR) Comparison CalculatorCompare SAVE, PAYE, IBR, and ICR income-driven repayment plans for federal student loans side by side.
• Loan Payoff Acceleration CalculatorCalculate how much time and interest you save by making extra monthly payments on any installment loan.
• Personal Loan CalculatorCalculate your monthly personal loan payment, total interest, and full amortization schedule. Enter loan amount, interest rate, and term to see your true borrowing cost.
• Student Loan CalculatorCalculate your monthly student loan payment, total interest, and full amortization schedule. Enter your balance, interest rate, and repayment term to see your true cost.
• Student Loan Forgiveness EstimatorEstimate forgiveness timeline, monthly payments, and tax impact for PSLF, SAVE, IBR, and ICR income-driven repayment programs.
• Student Loan Refinance Break-Even CalculatorCalculate monthly savings, break-even timeline, and net interest savings from refinancing your student loans.

Tip splitting, percentages, age, and other quick calculations for daily decisions.

• Age CalculatorCalculate your exact age in years, months, and days from a birth date. See total days lived and days until next birthday.
• Percentage CalculatorCalculate percentages, find what percent one number is of another, and determine percentage change between two values. Multi-mode percentage calculator with clear explanations.
• Split Bill CalculatorDivide a restaurant bill and tip evenly among your group. See exactly how much each person owes including their share of the tip.
• Tip CalculatorQuickly calculate tip amounts and split bills among friends. Choose preset percentages or enter custom tip % and divide by number of people.

BMI, calorie needs, and other body-metric calculators grounded in standard clinical formulas.

• BMI CalculatorCalculate your Body Mass Index (BMI) using the WHO standard formula. Supports both US and metric units. Includes BMI categories and health implications.
• Calorie Calculator (TDEE)Calculate your Total Daily Energy Expenditure (TDEE) and Basal Metabolic Rate (BMR) using the Mifflin-St Jeor formula. Get personalized calorie targets for weight loss, maintenance, and gain.

Coverage needs, emergency funds, education savings, and lifetime earnings tools.

• Annuity Payout CalculatorCalculate how much you will receive each period from an annuity given your lump sum, interest rate, payout period, and payment frequency.
• Budget 50/30/20 Rule CalculatorTrack your spending against the 50/30/20 budgeting rule: 50% needs, 30% wants, 20% savings.
• College Savings 529 CalculatorProject your 529 balance against future college costs, find your monthly savings gap, and estimate state tax deduction benefits.
• Disability Insurance Gap CalculatorCalculate the disability insurance coverage gap based on income replacement needs, waiting period, and benefit duration.
• Emergency Fund CalculatorCalculate your ideal emergency fund target based on monthly expenses, job security, and income situation.
• Inflation-Adjusted Purchasing Power CalculatorCalculate how inflation erodes purchasing power over time and how much you'll need in the future to match today's dollars.
• Life Insurance Premium EstimatorEstimate your monthly life insurance premium by age, health, coverage amount, and term. Compare term and whole life costs side by side.
• Net Worth Tracker CalculatorCalculate your total net worth, assets, liabilities, and liquidity to track wealth-building progress.
• Salary Negotiation Lifetime Value CalculatorCalculate the total lifetime earnings difference from negotiating a higher salary, including compounding raises, bonus, and retirement match.
• Term Life Insurance Coverage CalculatorCalculate the right amount of term life insurance coverage using income replacement, debt payoff, and education funding needs.
• Term Life vs. Whole Life Insurance ComparisonCompare term life and whole life insurance side by side. See total premiums paid, opportunity cost, and break-even analysis to find which policy type fits your situation.

Compounding, fee drag, and portfolio comparison calculators.

• Bond Yield to Maturity CalculatorCalculate the exact yield to maturity of a bond given its price, coupon rate, face value, and time to maturity.
• CD Ladder CalculatorCalculate returns and maturity schedule for a CD ladder strategy with customizable rungs and rate assumptions.
• Coast FIRE CalculatorCalculate the Coast FIRE number — the lump sum you need invested today so that compound growth alone reaches your retirement target, with no further contributions required.
• Compound Growth CalculatorCalculate the future value of your investments with compound interest and regular contributions. See how time, rate, and compounding frequency affect your wealth.
• Dividend Reinvestment (DRIP) CalculatorSee how reinvesting dividends compounds your wealth over time. Compare a DRIP strategy against taking dividends as cash with a year-by-year simulation.
• Dollar-Cost Averaging vs. Lump Sum CalculatorCompare investing a lump sum immediately against spreading it via dollar-cost averaging. See the final value difference, opportunity cost, and month-by-month breakdown.
• Expense Ratio Lifetime Cost CalculatorQuantify the lifetime dollar cost of high expense ratios versus low-cost index funds. See exactly how much fee drag costs you over your entire investment horizon.
• Financial Independence Number CalculatorCalculate your Financial Independence (FI) number using the 4% rule and safety margins for early retirement planning.
• Margin Interest Cost CalculatorCalculate the interest cost of borrowing on margin, break-even required return, and net gain after interest.
• Options Break-Even CalculatorCalculate the break-even price, max profit, max loss, and P&L at expiration for long call and put options.
• Portfolio Rebalancing Bands CalculatorCalculate how far your asset allocation has drifted from its target, whether a rebalance is triggered by your chosen band, and the exact trade amounts needed to realign your portfolio.
• Rental Property Cash-on-Cash Return CalculatorCalculate cash-on-cash return, cap rate, and cash flow for a rental property investment.
• Safe Withdrawal Rate CalculatorCalculate the maximum annual withdrawal your portfolio can sustain over your retirement horizon, based on expected return, inflation, and additional income sources.
• Sharpe Ratio CalculatorCalculate the Sharpe ratio and Sortino ratio to measure risk-adjusted portfolio performance versus the risk-free rate.

Refinance break-even, amortization, and affordability tools for homeowners and buyers weighing a specific decision.

• ARM vs. Fixed-Rate Mortgage ComparisonCompare a 5/1 ARM (or 3/1, 7/1, 10/1) against a 30-year fixed mortgage over your planning horizon. See monthly payment difference, cumulative interest savings, and breakeven timing.
• Home Affordability CalculatorCalculate the maximum home price you can afford based on income, existing debts, and lender DTI constraints.
• Home Equity Loan vs. HELOC CalculatorCompare the total interest cost of a fixed-rate home equity loan against a HELOC's interest-only draw period followed by a fully amortising repayment phase.
• Home Refinance CalculatorCalculate your new monthly mortgage payment after refinancing. Enter your refinanced loan amount, new interest rate, and term to see your payment and full amortization schedule.
• Mortgage Amortization Schedule CalculatorSee the full month-by-month amortization schedule for any loan. Visualize how much interest you pay over the life of the loan and how extra payments shorten your term.
• Mortgage Payment CalculatorCalculate your monthly mortgage principal and interest payment, total interest paid over the life of the loan, and view a full amortization schedule.
• Mortgage Points Break-Even CalculatorCalculate how many months it takes to break even on mortgage discount points. Compare your upfront cost to the monthly payment reduction and see if buying points makes sense for your timeline.
• Mortgage Recast CalculatorCalculate your new monthly payment after a mortgage recast. Enter your current balance, rate, remaining term, and lump-sum payment to see monthly savings and total interest saved.
• Mortgage Refinance Break-Even CalculatorFind out how many months it takes for refinance savings to repay your closing costs, plus lifetime interest impact.
• PMI Removal Timeline CalculatorFind out exactly when your private mortgage insurance (PMI) will be automatically cancelled under the Homeowners Protection Act, how much PMI you will pay in total, and how extra payments can accelerate removal.
• Property Tax Calculator 2025Estimate your annual and monthly property tax for any US state. Enter home value and your state's effective tax rate to see your annual bill and monthly escrow amount.
• Real Estate Closing Cost CalculatorCalculate estimated closing costs for your home purchase, including lender fees, title insurance, transfer taxes, and prepaid items. See the breakdown by loan type.
• Rent vs. Buy CalculatorCompare the full financial cost of renting vs. buying a home over your chosen time horizon, including opportunity cost, equity buildup, and all carrying costs.
• Second Mortgage Affordability CalculatorFind out how much you can afford on a second mortgage given your income, existing first mortgage, and other debts — using standard front-end and back-end DTI limits.

Contribution, drawdown, and projection tools for long-horizon planning.

• 401(k) Contribution OptimizerCalculate how much to contribute to your 401(k), model the tax savings and take-home pay impact, and project your retirement balance at any contribution level.
• Backdoor Roth Pro-Rata CalculatorCalculate how the IRS pro-rata rule taxes your backdoor Roth IRA conversion when you have existing pre-tax IRA funds. Find the taxable portion and tax owed.
• IRMAA Medicare Surcharge CalculatorCalculate your Medicare Part B and Part D premiums based on income (IRMAA) for higher earners.
• Pension Lump Sum vs. Annuity CalculatorCompare taking your pension as a lump sum (invested) vs. monthly annuity payments. Find the break-even age, implicit IRR, and year-by-year projection.
• Required Minimum Distribution (RMD) CalculatorEstimate your annual required minimum distribution from a traditional IRA or 401(k), including projected RMDs for the next 20 years and estimated tax owed.
• Retirement Income Gap CalculatorFind out if your retirement savings and income sources will cover your retirement expenses. Calculate your monthly gap and how much more you need to save.
• Retirement Withdrawal Sustainability CalculatorFind out if your retirement savings will last. Enter your portfolio, withdrawal rate, and expected return to simulate year-by-year drawdown and see how long your money lasts.
• Roth Conversion Tax Cost CalculatorFind out the immediate tax cost of a Roth IRA conversion, the break-even year, and the long-term net benefit versus leaving money in a traditional IRA.
• Roth vs. Traditional IRA ComparisonCompare Roth and Traditional IRA after-tax wealth at retirement. See which wins based on your current and expected future tax rates.
• Social Security Break-Even CalculatorFind when delayed Social Security claiming pays off compared to early claiming. See break-even age, lifetime benefits, and impact of COLA inflation.
• Social Security Claiming Age CalculatorFind your Social Security break-even age. Compare lifetime benefits from claiming at 62, your full retirement age, or 70 — and see the cumulative impact of each choice.

Estimators for equity compensation, self-employment, and withholding, with every statutory figure sourced and dated.

• Capital Gains Holding Period CalculatorSee the tax difference between selling now at short-term rates versus waiting for long-term capital gains treatment, including the NIIT surcharge.
• Dependent Care FSA vs Child & Dependent Care CreditCompare the pre-tax Dependent Care FSA payroll deduction to the Child and Dependent Care Credit to find which saves you more — or how to stack both.
• Effective vs Marginal Tax Rate CalculatorSee your effective (average) and marginal federal income tax rates side by side, with a bracket-by-bracket breakdown, using 2025 IRS rate schedules.
• ESPP Qualifying vs Disqualifying Disposition CalculatorCompare the after-tax proceeds of a qualifying vs disqualifying ESPP sale and see exactly how much the holding period is worth.
• HSA Triple-Tax-Benefit CalculatorCalculate the combined upfront deduction, tax-free growth, and tax-free withdrawal advantage of an HSA versus a taxable investment account.
• ISO AMT Exposure CalculatorEstimate the Alternative Minimum Tax you may owe when exercising Incentive Stock Options, including the AMT preference item, tentative minimum tax, and AMT credit carryforward.
• Pay Stub Calculator — Net Pay After TaxesCalculate your net take-home pay per paycheck after federal income tax, Social Security, Medicare, and pre-tax deductions.
• RSU Vesting Tax EstimatorEstimate the tax owed when restricted stock units vest, how much your employer withholds, and the shortfall you must cover.
• Self-Employment Quarterly Tax EstimatorEstimate quarterly estimated tax payments for freelance and 1099 income, including self-employment tax and safe-harbour targets.
• State Income Tax Calculator 2025Estimate your state income tax for any US state in 2025. Enter your gross income and state tax rate to see your estimated state tax, effective rate, and monthly impact.
• Tax-Loss Harvesting Benefit CalculatorQuantify the tax benefit of harvesting a capital loss today versus holding the position, net of any tracking-error drag from a substitute investment.
• W-4 Withholding EstimatorCalculate your federal income tax withholding and estimate your tax refund or balance due based on your W-4.

Convert between metric and imperial units for weight, length, temperature, and clothing sizes.

• Clothing Size ConverterConvert clothing sizes between EU, US, and UK. Covers tops, jackets/suits, dress shirt collars, and trousers for men and women.
• Length Unit ConverterConvert length between kilometers, miles, meters, feet, centimeters, inches, yards, and nautical miles instantly.
• Shoe Size ConverterConvert shoe sizes between EU, US Men's, US Women's, UK, and Japan (JP/mm). Enter your size in any system — get all others instantly.
• Temperature ConverterConvert temperature between Celsius, Fahrenheit, and Kelvin instantly. °C to °F and back with the exact formula.
• Weight Unit ConverterConvert weight between kilograms, pounds, grams, ounces, and stone instantly. Metric and imperial in one tool.