Finance Calculators

105 calculators for US mortgages, debt, retirement, investing and tax. Each one names the formula or IRS, SSA or CFPB rule it uses, so you can check the result.

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🏠 Mortgage & Home Buying
🏠 Mortgage CalculatorMonthly payment, amortization table, and total interest 🔄 Refinance CalculatorBreak-even point and lifetime interest savings 🏡 Home Affordability CalculatorMax home price by DTI rules, plus cash needed at closing 💰 HELOC CalculatorHELOC borrowing limit, payments, and your home equity and LTV 🏦 Down Payment CalculatorSavings timeline to reach your down payment goal 📋 Amortization ScheduleFull month-by-month loan payment table 🛡️ PMI CalculatorMonthly PMI cost and when it drops off at 80% LTV 🛡️ PMI Removal CalculatorWhen you can cancel PMI and how much you save by acting early 📉 Mortgage Points CalculatorBreakeven and savings from buying down your rate 📅 Biweekly Mortgage CalculatorYears saved and interest savings vs monthly payments ⏩ Extra Mortgage Payment CalculatorYears and interest saved by paying extra each month 🏠 Rent vs. Buy CalculatorNet worth comparison — breakeven year and 10-yr outcome 🏦 Closing Cost CalculatorItemized buyer closing costs with negotiable vs. fixed labels ⚖️ Mortgage Comparison CalculatorCompare two offers, including 15- vs 30-year terms, by true APR and total cost 🏦 FHA vs Conventional CalculatorSide-by-side cost comparison by credit score and down payment ⚖️ ARM vs. Fixed-Rate Mortgage CalculatorPayment at each rate adjustment and total interest vs a fixed loan 📊 Credit Score Mortgage Rate CalculatorSee how your credit score affects rate and total interest 💰 Home Equity Loan vs HELOC CalculatorSide-by-side cost comparison of fixed loan vs revolving credit line 🏛️ Jumbo Loan CalculatorExtra cost of a jumbo mortgage vs a conforming loan 💸 Cash-Out Refinance CalculatorCash available, new payment and cost per dollar borrowed
💳 Loans & Debt
🏖️ Retirement & Social Security
🏦 Retirement CalculatorNest egg projection and monthly savings needed 💼 401(k) CalculatorBalance growth with employer match over time 🌱 Roth IRA CalculatorTax-free growth projection to retirement 🔀 Roth vs. Traditional CalculatorAfter-tax value of Roth vs pre-tax contributions 🔄 Roth Conversion CalculatorTax cost, breakeven, and after-tax value vs. traditional IRA 💰 Catch-Up Contribution CalculatorExtra 401k & IRA savings at 50+, including SECURE 2.0 super catch-up 📋 RMD CalculatorRequired minimum distribution from IRS table 🛡️ Social Security CalculatorMonthly benefit at 62, 67, or 70 — with breakeven 👫 Spousal Social Security CalculatorHousehold SS income, spousal benefit, survivor benefit at different ages 💸 Retirement Withdrawal CalculatorHow long savings last, or the most you can withdraw for N years 💵 Retirement Income CalculatorPortfolio, Social Security and pension income vs planned spending 🔐 Safe Withdrawal Rate CalculatorHow long your portfolio lasts at 3%, 4%, or 5% withdrawal 📊 Sequence of Returns CalculatorEarly bear vs. early bull — how return order wrecks portfolios 📋 Retirement Tax CalculatorSS taxation, bracket room for Roth conversions, and IRMAA thresholds 📅 72(t) SEPP CalculatorPenalty-free IRA withdrawals before 59½ — all three IRS-approved methods 🏥 Healthcare in Early Retirement CalculatorCOBRA vs ACA costs and subsidy estimate from retirement to Medicare at 65 🏥 Medicare Cost CalculatorPart B, Part D, Medigap or Advantage and IRMAA surcharges 💼 Part-Time Work in Retirement CalculatorHow part-time income extends portfolio longevity — years gained comparison ⚖️ Pension vs. Lump Sum CalculatorBreak-even age and value of pension payments vs a payout 📆 Annuity CalculatorPresent and future value of periodic payments 🎯 FIRE Number CalculatorFinancial independence target and years to reach it 🩺 HSA CalculatorHSA balance at retirement and years of health costs it covers
📈 Investing
📈 Compound Interest CalculatorFuture value of a lump sum plus regular contributions 📊 Investment Return CalculatorROI, annualized return, and real return after inflation 📊 Stock Return CalculatorTotal return, CAGR, and dividends for any position 📊 CAGR CalculatorCompound annual growth rate between two values 📐 Rule of 72 CalculatorYears to double money at a given interest rate 📈 Dollar-Cost Averaging CalculatorMonthly investment growth with year-by-year chart ⚡ Lump Sum vs. DCA CalculatorCompare investing all at once vs. spreading over months 💰 Windfall Investment CalculatorLump sum vs. DCA comparison, opportunity cost, and tax-efficient deployment order 🥧 Asset Allocation CalculatorStock, bond and cash mix by age, risk tolerance and timeline ⚖️ Portfolio Rebalancing CalculatorDrift analysis and buy/sell action table 📊 Sector Diversification CalculatorCompare your sector weights to S&P 500 benchmark and get a concentration risk score 🌍 International Allocation CalculatorHome bias score, geographic allocation vs. global market weights, and scenario comparison 📊 Index Fund CalculatorDollar cost of expense ratio drag — low-cost vs high-cost fund ⚖ ETF vs Mutual Fund CalculatorCompare expense ratio and tax drag over 10–30 years 💸 Investment Fee CalculatorTrue dollar cost of expense ratios over 10–30 years 🔄 Dividend Reinvestment CalculatorDRIP growth in shares and income, yield on cost vs taking cash 💹 Dividend Yield CalculatorStock yield, annual income, and yield-on-cost projection 💰 Investment Income CalculatorMonthly income a portfolio produces, or the portfolio a target needs 📜 Bond Yield CalculatorCurrent yield and yield to maturity from price and coupon 🏛️ Tax-Equivalent Yield CalculatorTaxable yield that matches a tax-free municipal bond 🏦 CD CalculatorInterest and final balance by APY, term and compounding 🧾 Capital Gains Tax CalculatorShort- vs long-term tax on a sale and net proceeds 💸 Tax-Loss Harvesting CalculatorTax saved by offsetting gains with losses — with carryforward 📊 P/E Ratio CalculatorPrice-to-earnings vs sector averages, PEG ratio, and implied fair value 📚 Price-to-Book CalculatorP/B ratio, Graham Number, and ROE-implied fair value 📈 EPS Growth CalculatorProject future earnings per share and implied stock price at exit P/E 🔍 Stock Intrinsic Value CalculatorDCF and Graham Number valuation for any stock 📉 Inflation CalculatorCPI-based purchasing power change, and whether your savings kept up
💵 Saving & Budgeting
🧾 Tax & Pay