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Financial Calculators
- 🏠Mortgage Calculator
Calculate your monthly mortgage payment including principal, interest, taxes, and insurance (PITI). See the full amortization schedule.
Financial - 📅Mortgage Amortization Calculator
View the complete amortization schedule for any mortgage. See exactly how each payment is split between principal and interest, year by year.
Financial - 🏡House Affordability Calculator
Find out how much house you can afford based on your income, debts, and down payment. Uses the 28/36 DTI rule used by mortgage lenders.
Financial - 🏢Rent Calculator
Calculate your true total cost of renting including utilities, insurance, parking, and fees. See 10-year projections with annual rent increases.
Financial - ⚖️Rent vs. Buy Calculator
Compare the true financial cost of renting versus buying a home over time. Find your break-even year and net cost difference.
Financial - $Salary to Hourly Calculator
Convert annual salary into hourly, weekly, and monthly equivalents.
Financial - %
- 💰Loan Calculator
Calculate monthly loan payments, total interest, and view a full amortization schedule for any loan amount.
Financial - 🏘️Rental Property Calculator
Analyze a rental property investment. Calculate monthly cash flow, cash-on-cash return, cap rate, and gross rent multiplier using real expenses.
Financial - 📈Real Estate Calculator
Calculate real estate ROI, home appreciation, equity growth, and total profit on a property sale. Includes optional rental income analysis.
Financial - 🏛️FHA Loan Calculator
Calculate FHA loan payments including upfront and annual Mortgage Insurance Premium (MIP). See the true monthly cost for low-down-payment buyers.
Financial - 🎖️VA Mortgage Calculator
Calculate VA loan payments and funding fee for veterans and active-duty service members. No PMI required — see how much you save vs a conventional loan.
Financial - 🏦Home Equity Loan Calculator
Calculate how much you can borrow against your home equity. See monthly payments, CLTV ratio, and total cost for a fixed-rate second mortgage.
Financial - 🏗️HELOC Calculator
Calculate your Home Equity Line of Credit limit, draw-period interest-only payments, and repayment-period P&I payments. See CLTV, max credit line, and total interest across both phases.
Financial - 💵Down Payment Calculator
Calculate how much you need for a down payment and closing costs. See PMI costs, loan-type minimums (FHA, VA, conventional), and a savings timeline to reach your goal.
Financial - 🔄Refinance Calculator
Find out if refinancing your mortgage makes sense. Compare monthly savings, break-even point, and lifetime interest savings against closing costs.
Financial - 🏁Mortgage Payoff Calculator
See how extra monthly payments or a lump sum can accelerate your mortgage payoff. Calculate interest saved and years cut from your loan term.
Financial - 🇬🇧Mortgage Calculator UK
UK mortgage calculator with Stamp Duty Land Tax (SDLT), LTV, repayment vs interest-only, and arrangement fees. First-time buyer and buy-to-let rates included.
Financial - 🇨🇦Canadian Mortgage Calculator
Canadian mortgage calculator with semi-annual compounding (Interest Act), CMHC mortgage insurance, monthly and accelerated bi-weekly payment options.
Financial - 💳Personal Loan Calculator
Calculate monthly payments, total interest, and true APR for any personal loan. Supports origination fees to show the real cost of borrowing.
Financial - 🚗Auto Loan Calculator
Calculate monthly car loan payments including sales tax, trade-in value, dealer fees, and down payment. See the full amortization schedule.
Financial - 🔑Auto Lease Calculator
Calculate monthly car lease payments using money factor, residual value, and cap cost. Understand depreciation, finance charges, and total lease cost.
Financial - ⛵Boat Loan Calculator
Estimate boat loan payments, total interest, financed amount, taxes, fees, and yearly amortization from your purchase price and loan terms.
Financial - 🧾Payment Calculator
Calculate a fixed-rate loan payment, total interest, total cost, and amortization schedule from the amount, rate, term, and fees.
Financial - 🔁Repayment Calculator
Find how many payments you need to clear a balance from your interest rate and planned monthly repayment, with a warning when payment is too low.
Financial - 🎓Student Loan Calculator
Estimate student loan payments, origination fees, total interest, payoff time, and savings from an extra monthly payment.
Financial - 🏫College Cost Calculator
Project future annual and four-year college costs with inflation, then compare them with current savings and growing annual contributions.
Financial - 📊Credit Utilization Calculator
Calculate revolving balance as a percentage of available credit.
Financial - ❄️Debt Snowball Calculator
Order debts from smallest balance to largest for a payoff strategy estimate.
Financial - 📉Debt Avalanche Calculator
Order debts from highest APR to lowest for a payoff strategy estimate.
Financial - 📅
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- 📈Mutual Fund Calculator
Project mutual-fund value with contributions, return, and expense ratio.
Financial - 💳Credit Card Calculator
Estimate a credit-card minimum payment, payoff time, total payments, and interest from balance and APR.
Financial - 💳Credit Cards Payoff Calculator
Combine three card balances and payment assumptions to estimate total interest and the longest payoff period.
Financial - 📉Debt Payoff Calculator
Estimate debt payoff months, total interest, and total payments from a balance, APR, and planned monthly payment.
Financial - 🔗Debt Consolidation Calculator
Compare an existing debt payment and interest with a new fixed-rate consolidation payment, fees, and term.
Financial - ⚖️Debt-to-Income Ratio Calculator
Calculate current and proposed debt-to-income ratios from gross monthly income, debts, housing, and new debt.
Financial - 💸Cash Back or Low Interest Calculator
Compare a cash-back option with a low-interest option over a selected term.
Financial - 📈Interest Calculator
Calculate simple interest and total value from principal, rate, and time.
Financial - ➕Simple Interest Calculator
Calculate simple interest using principal, annual rate, and years.
Financial - 📊Compound Interest Calculator
Project compound growth with compounding frequency and recurring contributions.
Financial - ％Interest Rate Calculator
Solve the annual compound rate required to grow a principal to a final value.
Financial - 💼Investment Calculator
Project future investment value from starting balance, contributions, return, and time.
Financial - 🏖️Retirement Calculator
Project retirement savings from current balance, contributions, employer contribution, return, and years.
Financial - 🏦401K Calculator
Project 401K value with monthly contributions and an employer match assumption.
Financial - 📌Roth IRA Calculator
Project Roth IRA value from current balance, monthly contribution, return, and years.
Financial - 📚IRA Calculator
Project IRA value from current balance, monthly contribution, return, and years.
Financial - 📋RMD Calculator
Estimate a required minimum distribution from a retirement balance and divisor.
Financial - 🔄
- 💰Annuity Payout Calculator
Estimate a periodic payout from an annuity balance, rate, and term.
Financial - 🐖Savings Calculator
Project savings growth with starting balance, monthly contributions, rate, and time.
Financial - 🏛️
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- 💵Take-Home-Paycheck Calculator
Estimate take-home amount from gross pay and tax-rate assumption.
Financial - 🛒
- 💍Marriage Tax Calculator
Estimate combined tax from two incomes and a shared rate assumption.
Financial - 📈
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- 🏛️Estate Tax Calculator
Estimate taxable estate and estate tax from an exemption and tax-rate assumption.
Financial - 💼
- 🧓Pension Calculator
Project a pension fund from current savings, contributions, return, and years.
Financial - 🛡️Social Security Calculator
Estimate a monthly benefit from average earnings, a cap, and a replacement-rate assumption.
Financial - 💱
- 💼Commission Calculator
Calculate sales commission and total earnings from a base amount and commission rate.
Financial - 🧾
- 🛟Emergency Fund Calculator
Estimate a cash reserve target, savings gap, months to goal, and current expense coverage.
Financial - ↗CAGR Calculator
Calculate compound annual growth rate or solve for future value and initial value over a period.
Financial - ⌂Loan-to-Value Calculator
Calculate LTV, estimated equity, equity percentage, and an educational combined LTV with a second lien.
Financial - 📊Discounted Cash Flow Calculator
Estimate enterprise value by discounting forecast free cash flow and a terminal value.
Financial - ⚖️Break-even Calculator
Find the sales volume and revenue needed to cover fixed and variable costs.
Financial - 📈Capital Gains Calculator
Estimate a realized gain or loss, adjusted basis, and illustrative tax amount.
Financial - 💰Dividend Calculator
Estimate dividend income, portfolio yield, and monthly or quarterly equivalents.
Financial - 🏢Business Valuation Calculator
Estimate enterprise value and equity value from revenue, EBITDA margin, valuation multiple, and net debt.
Financial - 📐Debt Service Coverage Ratio Calculator
Calculate debt service coverage from net operating income and annual debt service.
Financial - 🚗Car Affordability Calculator
Estimate a vehicle price and payment budget from income, existing debt, down payment, rate, and term assumptions.
Financial - 📜Bond Yield Calculator
Estimate annual coupon income, current yield, and an approximate yield to maturity.
Financial
Fitness & Health Calculators
- 🏃
- 🧪GFR Calculator
Estimate adult eGFR with the race-free CKD-EPI 2021 creatinine equation.
Fitness & Health - ⚠️
- ⚖️BMI Calculator
Calculate your Body Mass Index (BMI) using metric or imperial units. Get your weight category and healthy weight range.
Fitness & Health - 🔥Calorie Calculator
Calculate your daily calorie needs using the Mifflin-St Jeor formula. Find your BMR and TDEE for weight loss or gain.
Fitness & Health - ⚖️Anorexic BMI Calculator
Calculate BMI and flag values below the standard underweight threshold; it is not a diagnosis.
Fitness & Health - 🔥
- ⚡TDEE Calculator
Estimate total daily energy expenditure from BMR and an activity multiplier.
Fitness & Health - 🥗Macro Calculator
Estimate daily carbohydrate and fat gram targets from calorie and macro assumptions.
Fitness & Health - 💪Protein Calculator
Estimate daily protein grams from body weight and a grams-per-kilogram target.
Fitness & Health - 🍞Carbohydrate Calculator
Estimate carbohydrate grams from daily calories and a carbohydrate share.
Fitness & Health - 🥑Fat Intake Calculator
Estimate daily fat grams from a calorie target and fat-share range.
Fitness & Health - ⚖️Ideal Weight Calculator
Estimate a reference weight from height using a BMI-based midpoint.
Fitness & Health - ✅
- 💪Lean Body Mass Calculator
Estimate lean body mass from weight and height using a validated population formula.
Fitness & Health - 🏃Calories Burned Calculator
Estimate calories burned from body weight, MET, and exercise duration assumptions.
Fitness & Health - ❤️
- 🏋️One Rep Max Calculator
Estimate one-repetition maximum from a lifted load and repetitions.
Fitness & Health - 📊Weight Watcher Points Calculator
Estimate a simplified points score from entered nutrition and body inputs.
Fitness & Health - ⚖️Overweight Calculator
Calculate BMI and compare it with an overweight reference threshold.
Fitness & Health - 📏
- 🎖️Army Body Fat Calculator
Estimate body-fat percentage from body measurements using a screening equation.
Fitness & Health - 📐
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- ⚖️Pregnancy Weight Gain Calculator
Estimate a simplified pregnancy weight-gain range by pregnancy week.
Fitness & Health - 🤰Pregnancy Conception Calculator
Estimate pregnancy timing from cycle and gestational assumptions.
Fitness & Health - 📅Due Date Calculator
Estimate pregnancy timing and remaining days from completed weeks.
Fitness & Health - 🗓️
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Math Calculators
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- ∑Permutation and Combination Calculator
Calculate permutation and combination using explicit client-side inputs.
Math - !
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- △Least Common Multiple Calculator
Calculate least common multiple with guarded client-side formulas.
Math - △Greatest Common Factor Calculator
Calculate greatest common factor with guarded client-side formulas.
Math - △
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- σ
- σMean, Median, Mode, Range Calculator
Calculate mean, median, mode, range from explicit statistical inputs.
Math - ∑
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- 🎓GPA Calculator
Calculate your weighted and unweighted GPA. Supports regular, honors, and AP/IB courses on a 4.0 scale.
Math - 📊Percentage Calculator
Calculate percentages instantly. Find what % of a number is, what percent one number is of another, or % change.
Math - ×10Scientific Notation Calculator
Convert a number to normalized scientific notation with a coefficient and base-10 exponent.
Math - ∞Big Number Calculator
Add arbitrarily large whole numbers without losing integer precision in the browser.
Math - ∩
- 🎓Grade Calculator
Convert points earned out of points possible into a percentage and simple letter band.
Math - 🌐IP Subnet Calculator
Calculate IPv4 network, broadcast, host range, and address capacity from CIDR notation.
Math - ⇄Conversion Calculator
Convert length values between metric and imperial units with explicit source and target labels.
Math - ⇄
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- ⤨Random Number Generator
Generate repeatable or fresh integer sequences within an inclusive range, with duplicate and sort controls.
Math - ∑GDP Calculator
Estimate GDP using consumer spending, investment, government spending, exports, and imports.
Math - ⚙️
- ▤Resistor Calculator
Calculate nominal resistance and tolerance range from two digits, a multiplier, and tolerance.
Math - Ω
- ◈Density Calculator
Calculate density from mass and volume with explicit gram and cubic-centimeter units.
Math - ⚖️
- ⬇️Weight Calculator
Convert mass in kilograms to gravitational force in newtons using standard gravity.
Math - 🚀
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Lifestyle Calculators
- 🎂Age Calculator
Calculate your exact age in years, months, days, hours, and minutes. Find out how many days until your next birthday.
Lifestyle - ⇄
- 🍽️Tip Calculator
Calculate the tip amount and split the bill among multiple people. Works for any tip percentage.
Lifestyle - 📅
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- 🧱Concrete Calculator
Estimate rectangular concrete volume in cubic feet and cubic yards from dimensions.
Lifestyle - ⛽Fuel Cost Calculator
Estimate trip fuel use and cost from distance, fuel economy, and price per gallon.
Lifestyle - ⚡Voltage Drop Calculator
Estimate round-trip voltage drop and remaining voltage from current, length, resistance, and supply.
Lifestyle - ♨️BTU Calculator
Estimate a simplified heating load from area, temperature difference, and heat-loss factor.
Lifestyle - ▧
- 🗂️Time Card Calculator
Estimate regular hours, overtime hours, and gross pay from a simple work schedule.
Lifestyle - 🌍Time Zone Calculator
Format a UTC instant in a selected IANA time zone with daylight-saving rules.
Lifestyle - ☾Sleep Calculator
Estimate sleep duration between bedtime and wake time, including overnight intervals.
Lifestyle - ⌂Roofing Calculator
Estimate pitched roof area and an order area with an explicit waste allowance.
Lifestyle - ▦Tile Calculator
Estimate tile count for a rectangular floor using tile dimensions and waste.
Lifestyle - ♧
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- ❄️Wind Chill Calculator
Estimate apparent cold from air temperature and wind speed using the common wind-chill formula.
Lifestyle - ☀️
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- ◷Time Duration Calculator
Normalize hours, minutes, and seconds into a single elapsed duration.
Lifestyle - ▣
- ⌘Password Generator
Create browser-generated passwords with configurable character groups and an entropy estimate.
Lifestyle - ⚄Dice Roller
Simulate one or more dice with configurable side counts and show each roll, total, and expected average.
Lifestyle - ⌁Shoe Size Conversion
Estimate shoe sizes across US, UK, EU, Japan, Mexico, and China from foot length and age group.
Lifestyle - ▦Day Counter
Count calendar days, weekdays, weekends, and entered holidays between dates, or add business days to a date.
Lifestyle - ⌛Days Until Calculator
Count days until or since a date with weeks, calendar breakdown, weekdays, and weekend totals.
Lifestyle - ÷Bill Split Calculator
Split a bill equally after applying a tip percentage and a fixed service charge.
Lifestyle - ◉Bra Size Calculator
Estimate a starting band and cup label from underbust and bust measurements.
Lifestyle - ♡Love Calculator
Generate a repeatable entertainment-only name score with a clear non-predictive disclaimer.
Lifestyle - ⛽Gas Mileage Calculator
Calculate observed miles per gallon from trip distance and fuel used.
Lifestyle - 🏎️Engine Horsepower Calculator
Estimate engine horsepower from torque in lb-ft and rotational speed in RPM.
Lifestyle - 🪜Stair Calculator
Estimate riser count, tread count, run, and angle for a simple straight stair layout.
Lifestyle - 🔌Electricity Calculator
Estimate energy use and cost from appliance power, usage time, and electricity price.
Lifestyle - 🛣️
- ⛳Golf Handicap Calculator
Calculate a one-round handicap differential from gross score, course rating, and slope rating.
Lifestyle - ◉Tire Size Calculator
Calculate nominal tire sidewall, diameter, circumference, and revolutions per mile.
Lifestyle
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