Mortgage CalculatorLoan CalculatorAuto Loan CalculatorCompound Interest CalculatorSimple Interest CalculatorSavings CalculatorRetirement CalculatorROI CalculatorCAGR CalculatorPresent Value CalculatorFuture Value CalculatorAnnuity CalculatorAPR CalculatorCredit Card Payoff CalculatorDebt-to-Income Ratio CalculatorIncome Tax Calculator (US Federal)Salary to Hourly Wage CalculatorTip CalculatorDiscount CalculatorSales Tax CalculatorProfit Margin CalculatorMarkup CalculatorBreak-Even CalculatorInflation CalculatorSavings Goal CalculatorExchange Rate CalculatorPercentage CalculatorPercentage Change CalculatorFraction CalculatorAverage CalculatorMean, Median & Mode CalculatorStandard Deviation CalculatorRatio CalculatorProportion CalculatorExponent CalculatorLogarithm CalculatorSquare Root CalculatorFactorial CalculatorGCD & LCM CalculatorPythagorean Theorem CalculatorQuadratic Equation CalculatorSlope CalculatorArea CalculatorPerimeter CalculatorVolume CalculatorCircle CalculatorTriangle CalculatorRandom Number Range AnalyzerScientific Notation CalculatorRounding CalculatorBMI CalculatorBMR CalculatorTDEE CalculatorCalorie CalculatorBody Fat CalculatorIdeal Weight CalculatorMacro CalculatorProtein CalculatorWater Intake CalculatorOvulation CalculatorPregnancy Due Date CalculatorConception CalculatorPeriod CalculatorPace CalculatorHeart Rate Zones CalculatorVO2 Max CalculatorOne Rep Max CalculatorSleep CalculatorBlood Alcohol Calculator (BAC)Lean Body Mass CalculatorCalories Burned CalculatorPregnancy Weight Gain CalculatorAge CalculatorDate Duration CalculatorDays Between Dates CalculatorAdd Days to Date CalculatorBusiness Days CalculatorWork Hours CalculatorTime Duration CalculatorTime Zone ConverterWeek Number CalculatorDay of Week CalculatorLeap Year CalculatorUnix Timestamp ConverterTime Add / Subtract CalculatorDays Until CalculatorZodiac Sign CalculatorChinese Zodiac CalculatorRetirement Date CalculatorQuarter CalculatorLength ConverterWeight ConverterTemperature ConverterVolume ConverterArea ConverterSpeed ConverterTime ConverterData Storage ConverterPressure ConverterEnergy ConverterPower ConverterForce ConverterTorque ConverterAngle ConverterFuel Consumption ConverterCooking ConverterShoe Size ConverterDensity ConverterFrequency ConverterHeight ConverterFlow Rate ConverterNumber to Words ConverterRoman Numeral ConverterBeaufort Scale ConverterScreen Size CalculatorDecibel ConverterConcrete CalculatorTile CalculatorPaint CalculatorFlooring CalculatorDrywall CalculatorBrick CalculatorGravel CalculatorMulch CalculatorDeck CalculatorFence CalculatorRoof Pitch CalculatorRoofing Material CalculatorStairs CalculatorSquare Footage CalculatorCubic Yard CalculatorBoard Feet CalculatorInsulation CalculatorWallpaper CalculatorOhm's Law CalculatorParallel Resistor CalculatorVelocity CalculatorAcceleration CalculatorKinetic Energy CalculatorPotential Energy CalculatorForce CalculatorMomentum CalculatorFriction CalculatorProjectile Range CalculatorPendulum CalculatorWavelength CalculatorpH CalculatorMolarity CalculatorDilution CalculatorIdeal Gas CalculatorBoyle's Law CalculatorHalf-Life CalculatorGPA CalculatorGrade CalculatorFinal Grade CalculatorWeighted Grade CalculatorDog Age CalculatorCat Age CalculatorElectricity Cost CalculatorFuel Cost CalculatorSplit Bill CalculatorUnit Price CalculatorReading Time CalculatorSubnet CalculatorDownload Time CalculatorProbability CalculatorRent Affordability CalculatorSolar Payback CalculatorHousehold Budget CalculatorEmergency Fund Calculator

Everyday Life calculators

Grades, pets, bills, trips and household math — small questions, exact answers.

GPA Calculator — how-it-works diagram

GPA Calculator

Grade point average from letter grades and credit hours.

Everyday Life →
Grade Calculator — how-it-works diagram

Grade Calculator

The exam score you need to reach your target final grade.

Everyday Life →
Final Grade Calculator — how-it-works diagram

Final Grade Calculator

Your final course grade from a hypothetical exam score.

Everyday Life →
Weighted Grade Calculator — how-it-works diagram

Weighted Grade Calculator

Weighted average grade from assignments and their weights.

Everyday Life →
Dog Age Calculator — how-it-works diagram

Dog Age Calculator

Your dog's age in human years, adjusted for size.

Everyday Life →
Cat Age Calculator — how-it-works diagram

Cat Age Calculator

Your cat's age in human years.

Everyday Life →
Electricity Cost Calculator — how-it-works diagram

Electricity Cost Calculator

What an appliance costs to run, per day, month and year.

Everyday Life →
Fuel Cost Calculator — how-it-works diagram

Fuel Cost Calculator

Fuel needed and trip cost for a drive, US or metric.

Everyday Life →
Split Bill Calculator — how-it-works diagram

Split Bill Calculator

Split a bill with tip and tax evenly between people.

Everyday Life →
Unit Price Calculator — how-it-works diagram

Unit Price Calculator

Compare two products by price per unit and see the saving.

Everyday Life →
Reading Time Calculator — how-it-works diagram

Reading Time Calculator

How long a text takes to read — and to read aloud.

Everyday Life →
Subnet Calculator — how-it-works diagram

Subnet Calculator

Network, broadcast, usable hosts and masks for an IPv4 CIDR block.

Everyday Life →
Download Time Calculator — how-it-works diagram

Download Time Calculator

How long a download takes at a given connection speed.

Everyday Life →
Probability Calculator — how-it-works diagram

Probability Calculator

Probability as a percentage, decimal and '1 in X' odds.

Everyday Life →
Rent Affordability Calculator — how-it-works diagram

Rent Affordability Calculator

How much rent you can afford — and the income a rent requires.

Everyday Life →
Solar Payback Calculator — how-it-works diagram

Solar Payback Calculator

Solar payback period and 25-year savings with price inflation.

Everyday Life →
Household Budget Calculator — how-it-works diagram

Household Budget Calculator

Split monthly take-home pay with the 50/30/20 rule — or your own.

Everyday Life →
Emergency Fund Calculator — how-it-works diagram

Emergency Fund Calculator

Your target emergency fund and how long it will take to build.

Everyday Life →