An extensive collection of free, highly-rated online calculators and converters covering finance, construction, education, health, cooking and math for everyday use.
Financial CalculatorsA suite of financial calculators to assist with projections for sings, investments, loans, mortgages and small business calculations.
Compound Interest CalculatorUse our popular compound interest calculator to determine the future value of your sings or investments over time.
Loan CalculatorCalculate repayments for personal loans, student loans or mortgages. You can also incorporate extra payments.
Compound Interest (Daily)Compound Interest FormulaAmortization CalculatorAPY CalculatorCAGR CalculatorCar Loan CalculatorCash Back CalculatorForex CompoundingFuture Value CalculatorHow Long to SeHow Long Will My Money LastHourly to Salary CalculatorInterest Rate CalculatorInvestment CalculatorIRR CalculatorLoan Payoff CalculatorMargin CalculatorMillion to Billion ConverterMMA CalculatorMoney CounterOvertime CalculatorPay Raise CalculatorPrice Per Square FootSalary to Hourly CalculatorSings CalculatorsSings Goal CalculatorsSimple Interest CalculatorSIP CalculatorStock Average CalculatorTime and a Half CalculatorFeatured ConversionsA series of individual converters for popular weight, length, height, area and energy units.
Kilos to stone & poundsConvert between these popular units of weight in the imperial and metric systems.
Centimeters to feet & inchesOur popular calculator for converting units of height, length or distance.
Grams to PoundsKilos to PoundsStone to PoundsCentimeters to InchesCubic Yards to TonsFeet to InchesFeet to MetersGallons to OuncesGallons to PoundsHertz to SecondsInch-pounds to ft-lbInches to CentimetersInches to FeetLiters to GallonsLiters to OuncesLiters to TonsLumens to WattsMeters to Feet & InchesMicrograms to mgMilligrams to GramsMillimeters to InchesNewton-Meters to ft lbOunces and PoundsSquare Feet to AcresSquare Feet to Cubic FeetSquare Feet to Cubic YardsSquare Meters to Square FeetWatts to AmpsHealthA small collection of health calculators, from BMI and BMR through to pregnancy and exercise.
Steps to Miles CalculatorCalculate how many miles you've walked and how many calories you've burned for your walk or run.
Pregnancy CalculatorUse our calculator to work out your possible due date and see the key milestones on your pregnancy journey.
BMI CalculatorBMR CalculatorHow Many Steps in a MileKilojoules to CaloriesMiles to Steps CalculatorSteps to CaloriesSteps to Km CalculatorSobriety CalculatorWHR CalculatorHandy and FunA collection of handy calculators for DIY construction projects as well as math calculators and a selection of tools for calculating dates.
Square Footage CalculatorWork out the square footage of an area for flooring, landscaping, carpets, or other construction projects.
Percentage CalculatorWork out percentage increases, decreases or differences for tax, gratuities, discounts, grades or more.
Age CalculatorAge Difference CalculatorBirthday CalculatorCBM CalculatorChronological AgeCubic Feet CalculatorCubic Yards CalculatorDate CalculatorDays Between DatesDays From TodayDays Until...Decimal to FractionDensity CalculatorElectricity Cost CalculatorFractions CalculatorsGeneration CalculatorGrel CalculatorHex to Decimal ConvertersHow Much Flooring do I Need?LED Sings CalculatorMiles Per kWh CalculatorMPGe CalculatorMulch CalculatorPercentage ChangeRoman NumeralsSig Figs CalculatorFinal Grade CalculatorUni Grade CalculatorCooking CalculatorsA suite of recipe calculators to help you with converting between metric and imperial units when baking or cooking.
Cooking ConverterUse this recipe converter to quickly convert between all common units involved in cooking.
Cups to GramsConvert easily between cups and grams using this handy conversion tool.
Air Fryer ConverterBaking ConversionsButter ConverterCups to mLCups to OuncesCups to TablespoonsGrams to CupsGrams to OuncesGrams to TablespoonsGrams to TeaspoonsmL to GramsOunces to GramsOunces to mLOven TemperaturesPints to CupsPounds and CupsQuarts to CupsTablespoons to TeaspoonsTeaspoons to GramsTeaspoons to mLUnit ConversionsA series of unit converters for area, energy, fuel consumption, length & distance, volume, weight and more.
Area ConverterConvert between acres, square centimeters, square feet, square miles and other units of area.
Height ConverterUse this converter to change imperial measurements of height into metric, and vice-versa.
Acceleration ConverterData Storage ConverterEnergy ConverterFuel Economy CalculatorLength and DistanceMass & Weight ConverterPower ConverterPressure ConverterTime ConverterVelocity ConverterVolume ConverterWater Weight CalculatorWeight ConverterWeight To VolumeAre the calculators on our site free to use?Yes, all the online calculators on The Calculator Site are free for you to use at your convenience. Our website is funded by the advertising we feature on our pages.
We hope you find our calculators useful. You can learn more about The Calculator Site and the causes we support (tree planting) on our about page.