All calculators
79 free calculators built for India — pick a section or search for what you need.
Finance
Loans
Tax
Investments
Salary
Health & Fitness
Fitness
BMI CalculatorBMI for adults (Asian and WHO ranges) and for children by age and genderCalorie CalculatorDaily calories to maintain, lose or gain weightBody Fat CalculatorBody fat % by the US Navy tape method and BMI methodBMR CalculatorBasal metabolic rate with three proven formulasIdeal Weight CalculatorIdeal body weight by four classic formulasPace CalculatorRunning pace, time or distance — solve any oneArmy Body Fat CalculatorUS Army tape-test body fat and allowed limitLean Body Mass CalculatorLean mass by Boer, James and Hume formulasHealthy Weight CalculatorYour healthy weight range for your heightCalories Burned CalculatorCalories burned in 30+ activities (MET based)One Rep Max CalculatorEstimate your 1RM and training percentagesTarget Heart Rate CalculatorHeart rate zones with the Karvonen methodMacro CalculatorDaily protein, carbs and fat targets for your goalTDEE CalculatorTotal daily energy expenditure by activity level
Pregnancy
Pregnancy CalculatorPregnancy week, trimester and key milestone datesPregnancy Weight Gain CalculatorHealthy weight gain range for your pregnancy weekPregnancy Conception CalculatorEstimate when you conceived from your due dateDue Date CalculatorEstimated due date from LMP, conception, IVF or scanOvulation CalculatorOvulation day and fertile window for six cyclesConception CalculatorBest days to conceive and the resulting due datePeriod CalculatorPredict your next periods, ovulation and fertile days
Nutrition & Health
Calorie CalculatorDaily calories to maintain, lose or gain weightBMR CalculatorBasal metabolic rate with three proven formulasMacro CalculatorDaily protein, carbs and fat targets for your goalCarbohydrate CalculatorHow many grams of carbs you need per dayProtein CalculatorDaily protein need, with Indian food equivalentsFat Intake CalculatorDaily fat range and saturated fat limitTDEE CalculatorTotal daily energy expenditure by activity levelGFR CalculatorKidney function (eGFR) with CKD-EPI 2021 and MDRDBody Type CalculatorBody shape (hourglass, pear…) and waist-hip ratioBody Surface Area CalculatorBSA by Mosteller, DuBois, Haycock and moreBAC CalculatorEstimate blood alcohol content (India limit 0.03%)
Math
Math
Basic CalculatorAdd, subtract, multiply and divide with memory keysScientific CalculatorTrig, logs, powers, roots and factorials in degrees or radiansFraction CalculatorAdd, subtract, multiply and divide fractions with stepsPercentage CalculatorPercent of a number, percent change, increase and decreaseRandom Number GeneratorRandom numbers in any range, with or without repeatsPercent Error CalculatorHow far a measured value is from the true valueExponent CalculatorRaise any number to any power, including negative and fractionalBinary CalculatorAdd, subtract, multiply, divide and AND, OR, XOR on binaryHex CalculatorAdd, subtract, multiply, divide and bitwise ops on hexadecimalHalf-Life CalculatorRemaining amount, time, half-life or starting amountQuadratic Formula CalculatorSolve ax² + bx + c = 0 with real or complex rootsLog CalculatorLog base 10, e, 2 or any base, plus antilogRatio CalculatorSolve A : B = C : D or simplify a ratioRoot CalculatorSquare root, cube root or any n-th rootLeast Common Multiple CalculatorLCM of two or more numbers with prime factorisationGreatest Common Factor CalculatorGCF (GCD, HCF) of numbers with Euclid's stepsFactor CalculatorPrime factors, all factors and factor pairsRounding CalculatorRound to decimals, significant figures or a multipleMatrix CalculatorAdd, multiply, invert and find determinants of matricesScientific Notation CalculatorConvert to scientific notation and calculate with itBig Number CalculatorExact arithmetic on integers of any size
Statistics
Random Number GeneratorRandom numbers in any range, with or without repeatsStandard Deviation CalculatorSample or population SD, variance and meanNumber Sequence CalculatorArithmetic, geometric and Fibonacci sequencesSample Size CalculatorSurvey size for your confidence level and margin of errorProbability CalculatorOne event, two events or repeated trialsStatistics CalculatorMean, median, mode, spread and quartiles in one placeMean, Median, Mode & Range CalculatorAverage, middle value, most common value and spreadPermutation and Combination CalculatornPr and nCr: arrangements and selectionsZ-Score Calculatorz-score, percentile and normal-curve probabilitiesConfidence Interval CalculatorConfidence interval for a mean or a proportion
Geometry
Triangle CalculatorSolve any triangle from three known valuesVolume CalculatorVolume of 14 solids, with litres and gallonsSlope CalculatorSlope, line equation and angle from two pointsArea CalculatorArea of 12 shapes in sq ft, sq m, gaj and acresDistance CalculatorDistance and midpoint between two points, 2-D or 3-DCircle CalculatorRadius, diameter, circumference and area from any oneSurface Area CalculatorSurface area of 14 solids, with volumePythagorean Theorem CalculatorFind the hypotenuse or a missing leg with a² + b² = c²Right Triangle CalculatorSolve a right triangle from any two values