All Calculators A-Z
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Choose a calculator below to enter your numbers, see the result, and review the method used.
Browse All Online Calculators
Mortgage Calculator
Monthly payment and total interest on a home loan.
Open calculatorFinanceLoan Calculator
Payment, total cost and interest for any loan.
Open calculatorFinanceAuto Loan Calculator
Compare car payments by price, rate and term.
Open calculatorFinanceInterest Calculator
Interest earned or owed over a set period.
Open calculatorFinancePayment Calculator
Find the fixed payment to clear a balance.
Open calculatorFinanceRetirement Calculator
Project your savings at retirement age.
Open calculatorFinanceAmortization Calculator
See how each payment splits into principal and interest.
Open calculatorFinanceInvestment Calculator
Estimate how an investment grows over time.
Open calculatorFinanceCurrency Calculator
Convert an amount between two currencies.
Open calculatorFinanceInflation Calculator
See how inflation changes buying power.
Open calculatorFinanceFinance Calculator
Solve for payment, rate, term or future value.
Open calculatorFinanceMortgage Payoff Calculator
How extra payments shorten your mortgage.
Open calculatorFinanceTax Calculator
Estimate income tax on your earnings.
Open calculatorFinanceCompound Interest Calculator
Growth with interest compounding on interest.
Open calculatorFinanceSalary Calculator
Convert pay between hourly, monthly and yearly.
Open calculatorFinance401(k) Calculator
Project your 401(k) balance with contributions.
Open calculatorFinanceInterest Rate Calculator
Work out the rate behind a loan or payment.
Open calculatorFinanceSales Tax Calculator
Add sales tax to a price, or remove it.
Open calculatorFinanceHouse Affordability Calculator
How much home your income can support.
Open calculatorFinanceSavings Calculator
Grow your savings with regular deposits.
Open calculatorFinanceRent Calculator
How much rent fits your income and budget.
Open calculatorFinanceMarriage Calculator
Compare taxes filing single versus married.
Open calculatorFinanceEstate Tax Calculator
Estimate tax owed on an estate.
Open calculatorFinancePension Calculator
Compare lump sum and monthly pension options.
Open calculatorFinanceSocial Security Calculator
Estimate benefits by claiming age.
Open calculatorFinanceAnnuity Calculator
Value of an annuity over its term.
Open calculatorFinanceAnnuity Payout Calculator
Monthly income an annuity can pay out.
Open calculatorFinanceCredit Card Calculator
Time and interest to pay off a card.
Open calculatorFinanceCredit Card Payoff Calculator
Plan a faster path to a zero card balance.
Open calculatorFinanceDebt Payoff Calculator
A payoff date for one or more debts.
Open calculatorFinanceDebt Consolidation Calculator
Will combining debts save you money?
Open calculatorFinanceRepayment Calculator
Repayment amount and schedule for a loan.
Open calculatorFinanceStudent Loan Calculator
Monthly payment and cost of student loans.
Open calculatorFinanceCollege Cost Calculator
Estimate future tuition and savings needed.
Open calculatorFinanceSimple Interest Calculator
Interest on principal only, no compounding.
Open calculatorFinanceCD Calculator
What a certificate of deposit earns by maturity.
Open calculatorFinanceBond Calculator
Price, yield and value of a bond.
Open calculatorFinanceMutual Fund Calculator
Fund growth after fees and contributions.
Open calculatorFinanceRoth IRA Calculator
Tax free growth in a Roth IRA.
Open calculatorFinanceIRA Calculator
Compare traditional IRA growth over time.
Open calculatorFinanceRMD Calculator
Required minimum distribution for your age.
Open calculatorFinanceVAT Calculator
Add or remove VAT from a price.
Open calculatorFinanceCash Back or Low Interest Calculator
Cash rebate or low rate: which saves more?
Open calculatorFinanceAuto Lease Calculator
Monthly payment on a car lease.
Open calculatorFinanceDepreciation Calculator
How an asset loses value each year.
Open calculatorFinanceAverage Return Calculator
Average annual return across periods.
Open calculatorFinanceMargin Calculator
Profit margin, markup and selling price.
Open calculatorFinanceDiscount Calculator
Sale price and how much you save.
Open calculatorFinanceBusiness Loan Calculator
Payments and cost of a business loan.
Open calculatorFinanceDebt Ratio Calculator
Your debt to income ratio.
Open calculatorFinanceReal Estate Calculator
Costs and returns on a property.
Open calculatorFinanceTake-Home Pay Calculator
Net pay after taxes and deductions.
Open calculatorFinancePersonal Loan Calculator
Monthly payment on a personal loan.
Open calculatorFinanceBoat Loan Calculator
Payments on a boat purchase.
Open calculatorFinanceLease Calculator
Payment on any equipment or vehicle lease.
Open calculatorFinanceRefinance Calculator
Will refinancing lower your costs?
Open calculatorFinanceBudget Calculator
Split income across needs, wants and savings.
Open calculatorFinanceRental Property Calculator
Cash flow and return on a rental.
Open calculatorFinanceIRR Calculator
Internal rate of return on cash flows.
Open calculatorFinanceROI Calculator
Return on investment as a percentage.
Open calculatorFinanceAPR Calculator
True yearly cost of a loan with fees.
Open calculatorFinanceFHA Loan Calculator
Payments on an FHA mortgage.
Open calculatorFinanceVA Mortgage Calculator
Payments on a VA home loan.
Open calculatorFinanceHome Equity Loan Calculator
Borrow against the equity in your home.
Open calculatorFinanceHELOC Calculator
Payments on a home equity line of credit.
Open calculatorFinanceDown Payment Calculator
How much to put down on a home.
Open calculatorFinanceRent vs Buy Calculator
Compare the cost of renting and buying.
Open calculatorFinancePayback Period Calculator
How long until an investment pays back.
Open calculatorFinancePresent Value Calculator
What future money is worth today.
Open calculatorFinanceFuture Value Calculator
What today's money grows into.
Open calculatorFinanceCommission Calculator
Commission earned on sales.
Open calculatorFinanceUK Mortgage Calculator
Monthly mortgage payments in pounds.
Open calculatorFinanceCanadian Mortgage Calculator
Mortgage payments with Canadian compounding.
Open calculatorFinanceMortgage Amortization Calculator
Full schedule of your mortgage payments.
Open calculatorFinancePercent Off Calculator
Final price after a percentage off.
Open calculatorHealthBMI Calculator
Adult BMI in metric or US units.
Open calculatorHealthCalorie Calculator
Daily calories to maintain, lose or gain.
Open calculatorHealthBody Fat Calculator
Estimate body fat percentage.
Open calculatorHealthBMR Calculator
Calories your body burns at rest.
Open calculatorHealthMacro Calculator
Daily protein, carbs and fat targets.
Open calculatorHealthIdeal Weight Calculator
Ideal weight range by height.
Open calculatorHealthPregnancy Calculator
Track weeks of pregnancy and key dates.
Open calculatorHealthPregnancy Weight Gain Calculator
Healthy weight gain week by week.
Open calculatorHealthPregnancy Conception Calculator
Estimate when conception happened.
Open calculatorHealthDue Date Calculator
Estimated due date from your last period.
Open calculatorHealthPace Calculator
Running pace, time and distance.
Open calculatorHealthArmy Body Fat Calculator
Body fat using the army tape method.
Open calculatorHealthCarbohydrate Calculator
Daily carbohydrate needs.
Open calculatorHealthLean Body Mass Calculator
Your weight minus body fat.
Open calculatorHealthHealthy Weight Calculator
Healthy weight range for your height.
Open calculatorHealthCalories Burned Calculator
Calories burned by activity and time.
Open calculatorHealthOne-Rep Max Calculator
Estimate the most you can lift once.
Open calculatorHealthTarget Heart Rate Calculator
Heart rate zones for training.
Open calculatorHealthProtein Calculator
Daily protein for your goals.
Open calculatorHealthFat Intake Calculator
Daily dietary fat range.
Open calculatorHealthTDEE Calculator
Total calories you burn each day.
Open calculatorHealthOvulation Calculator
Your likely fertile days.
Open calculatorHealthConception Calculator
Likely conception dates.
Open calculatorHealthPeriod Calculator
Predict your next periods.
Open calculatorHealthGFR Calculator
Estimated kidney filtration rate.
Open calculatorHealthBody Type Calculator
Your body shape from measurements.
Open calculatorHealthBody Surface Area Calculator
Body surface area from height and weight.
Open calculatorHealthBAC Calculator
Estimate blood alcohol concentration.
Open calculatorHealthOverweight Calculator
How your weight compares to healthy range.
Open calculatorMathScientific Calculator
Trig, logs, powers and roots.
Open calculatorMathFraction Calculator
Add, subtract, multiply and divide fractions.
Open calculatorMathPercent Calculator
Percentages and percentage change.
Open calculatorMathTriangle Calculator
Sides, angles and area of a triangle.
Open calculatorMathVolume Calculator
Volume of common 3D shapes.
Open calculatorMathStandard Deviation Calculator
Spread of a data set.
Open calculatorMathRandom Number Generator
Random numbers in any range.
Open calculatorMathNumber Sequence Calculator
Arithmetic and geometric sequences.
Open calculatorMathPercent Error Calculator
Error between measured and true values.
Open calculatorMathExponent Calculator
Raise any number to a power.
Open calculatorMathBinary Calculator
Binary math and conversions.
Open calculatorMathHex Calculator
Hexadecimal math and conversions.
Open calculatorMathHalf-Life Calculator
Decay over time by half life.
Open calculatorMathQuadratic Formula Calculator
Roots of a quadratic equation.
Open calculatorMathSlope Calculator
Slope between two points.
Open calculatorMathLog Calculator
Logarithms in any base.
Open calculatorMathArea Calculator
Area of common 2D shapes.
Open calculatorMathSample Size Calculator
Survey sample size you need.
Open calculatorMathProbability Calculator
Odds of single and combined events.
Open calculatorMathStatistics Calculator
Key statistics for a data set.
Open calculatorMathMean, Median, Mode, Range Calculator
Mean, median, mode and range.
Open calculatorMathPermutation and Combination Calculator
Count arrangements and selections.
Open calculatorMathZ-Score Calculator
How far a value is from the mean.
Open calculatorMathConfidence Interval Calculator
Range likely to contain the true mean.
Open calculatorMathRatio Calculator
Simplify and scale ratios.
Open calculatorMathDistance Calculator
Distance between two points.
Open calculatorMathCircle Calculator
Radius, diameter, circumference and area.
Open calculatorMathSurface Area Calculator
Surface area of 3D shapes.
Open calculatorMathPythagorean Theorem Calculator
Missing side of a right triangle.
Open calculatorMathRight Triangle Calculator
Solve every part of a right triangle.
Open calculatorMathRoot Calculator
Square, cube and nth roots.
Open calculatorMathLCM Calculator
Least common multiple of numbers.
Open calculatorMathGCF Calculator
Greatest common factor of numbers.
Open calculatorMathFactor Calculator
All factors of a number.
Open calculatorMathRounding Calculator
Round to any place value.
Open calculatorMathMatrix Calculator
Matrix addition, multiplication and more.
Open calculatorMathScientific Notation Calculator
Convert to and from scientific notation.
Open calculatorMathBig Number Calculator
Exact math on very large numbers.
Open calculatorMathPrime Factorization Calculator
Break a number into primes.
Open calculatorMathCommon Factor Calculator
Factors shared by two numbers.
Open calculatorMathBasic Calculator
Simple everyday arithmetic.
Open calculatorMathLong Division Calculator
Division shown step by step.
Open calculatorMathAverage Calculator
Average of a list of numbers.
Open calculatorMathP-Value Calculator
P value from a test statistic.
Open calculatorEverydayAge Calculator
Age in years, months and days.
Open calculatorEverydayDate Calculator
Add or subtract days from a date.
Open calculatorEverydayTime Calculator
Add and subtract hours and minutes.
Open calculatorEverydayHours Calculator
Hours between two times.
Open calculatorEverydayGPA Calculator
Grade point average from your courses.
Open calculatorEverydayGrade Calculator
Your grade and what you need on the final.
Open calculatorEverydayHeight Calculator
Predict a child's adult height.
Open calculatorEverydayConcrete Calculator
Concrete needed for slabs and footings.
Open calculatorEverydayIP Subnet Calculator
Network range, mask and host count.
Open calculatorEverydayBra Size Calculator
Bra size from your measurements.
Open calculatorEverydayPassword Generator
Strong random passwords.
Open calculatorEverydayDice Roller
Roll virtual dice of any kind.
Open calculatorEverydayConversion Calculator
Convert length, weight, volume and more.
Open calculatorEverydayFuel Cost Calculator
Fuel cost for a trip.
Open calculatorEverydayVoltage Drop Calculator
Voltage loss over a wire run.
Open calculatorEverydayBTU Calculator
Heating or cooling power for a room.
Open calculatorEverydaySquare Footage Calculator
Floor area in square feet.
Open calculatorEverydayTime Card Calculator
Weekly hours worked and pay.
Open calculatorEverydayTime Zone Calculator
Convert a time between zones.
Open calculatorEverydayLove Calculator
A just for fun name match.
Open calculatorEverydayGDP Calculator
Gross domestic product from its parts.
Open calculatorEverydayGas Mileage Calculator
Fuel economy from miles and gallons.
Open calculatorEverydayHorsepower Calculator
Horsepower from torque and RPM.
Open calculatorEverydayEngine Horsepower Calculator
Engine power from weight and speed.
Open calculatorEverydayStair Calculator
Rise, run and number of steps.
Open calculatorEverydayResistor Calculator
Resistor value from color bands.
Open calculatorEverydayOhms Law Calculator
Voltage, current and resistance.
Open calculatorEverydayElectricity Calculator
Running cost of an appliance.
Open calculatorEverydayShoe Size Converter
Shoe sizes across US, UK and EU.
Open calculatorEverydayTip Calculator
Tip amount and split the bill.
Open calculatorEverydayMileage Calculator
Trip mileage and reimbursement.
Open calculatorEverydayDensity Calculator
Density, mass or volume.
Open calculatorEverydayMass Calculator
Mass from density and volume.
Open calculatorEverydayWeight Calculator
Weight from mass and gravity.
Open calculatorEverydaySpeed Calculator
Speed, distance or time.
Open calculatorEverydayMolarity Calculator
Solution concentration in mol/L.
Open calculatorEverydayMolecular Weight Calculator
Molar mass of a chemical formula.
Open calculatorEverydayRoman Numeral Converter
Numbers to Roman numerals and back.
Open calculatorEverydayGolf Handicap Calculator
Your golf handicap index.
Open calculatorEverydaySleep Calculator
Best bedtimes by sleep cycle.
Open calculatorEverydayTire Size Calculator
Compare tire dimensions.
Open calculatorEverydayRoofing Calculator
Roof area and shingles needed.
Open calculatorEverydayTile Calculator
Tiles needed for a floor or wall.
Open calculatorEverydayMulch Calculator
Mulch needed for garden beds.
Open calculatorEverydayGravel Calculator
Gravel needed for an area.
Open calculatorEverydayWind Chill Calculator
How cold the wind makes it feel.
Open calculatorEverydayHeat Index Calculator
How hot humidity makes it feel.
Open calculatorEverydayDew Point Calculator
Dew point from temperature and humidity.
Open calculatorEverydayBandwidth Calculator
Download time and data transfer.
Open calculatorEverydayBase64 Encoder and Decoder
Encode or decode Base64 text.
Open calculatorEverydayURL Encoder and Decoder
Encode or decode URL text.
Open calculatorEverydayTime Duration Calculator
Time between two dates and times.
Open calculatorEverydayDay Counter
Days between two dates.
Open calculatorEverydayDay of the Week Calculator
The weekday for any date.
Open calculator