All calculators
96 free tools — pick a category or scroll to browse.
account_balance_walletFinance
Financial calculators for loans, EMIs, SIP, FD, RD, compound interest, income tax, GST and more.
percentAPR CalculatorConvert a loan interest rate plus fees into its true annual percentage rate (APR), with the monthly payment.two_wheelerBike Mileage Calculator (Two Wheeler)Work out your motorcycle or scooty fuel efficiency in km/l, running cost per km and monthly commuting spend for Indian roads.balanceBreak-Even Point CalculatorFind how many units you must sell — and at what revenue — to cover your fixed and variable costs.directions_carCar Loan Interest CalculatorCalculate the total interest, EMI and total payable amount for your car loan.directions_carCar Payment CalculatorEstimate your monthly car payment from the price, down payment, interest rate and loan term — with a full amortization schedule.trending_upCompound Interest CalculatorSee how your money grows with compound interest — principal, rate, compounding frequency and final maturity value.receipt_longCost of Sales CalculatorCalculate the cost of goods sold (COGS) for your business from opening inventory, purchases and closing inventory.credit_cardCredit Card Interest CalculatorSee how much interest your credit card charges each month and how long it takes to pay off your balance.balanceDebt to Income Ratio CalculatorCalculate your debt-to-income ratio — monthly debt payments as a share of gross monthly income — and see how lenders view it.account_balanceFD Calculator (Fixed Deposit)Calculate the maturity value and interest of a fixed deposit with compounding frequency and optional interest payout.trending_upGDP CalculatorCalculate GDP using the expenditure approach: consumption, investment, government spending and net exports.diamondGold Value CalculatorWork out the value of your gold jewellery by weight and purity (24k, 22k, 18k), including making charges.redeemGratuity Calculator (India)Estimate the gratuity you receive after 5+ years of service under the Indian Payment of Gratuity Act, 1972.receipt_longGST Calculator (India)Add GST to a price or extract GST from an inclusive amount, for 5%, 12%, 18% and 28% rates.homeHELOC Payment CalculatorEstimate your Home Equity Line of Credit payment — interest-only or fully amortized — from your drawn balance, rate and term.savingsHome Equity CalculatorFind how much equity you have in your home — its value minus your mortgage balance — and your equity share.scheduleHourly Rate CalculatorConvert an annual salary to an hourly rate, and see daily, weekly and monthly equivalents for any work schedule.calculateIncome Tax Calculator (India)Estimate your Indian income tax under the new and old regimes, including 87A rebate and 4% cess, with a full slab breakdown.euroInflation CalculatorSee how inflation erodes your money: what a given amount will be worth in the future, or how much value it has lost over the years.percentInterest Per Month CalculatorConvert an annual interest rate to a monthly rate and see the monthly interest on any principal amount.paymentsLoan EMI CalculatorCalculate your monthly EMI, total interest and total payment for any home, car or personal loan — plus a full amortization schedule.real_estate_agentLoan-to-Value (LTV) CalculatorCalculate your loan-to-value ratio — the percentage of your property you are borrowing — and what it means for your loan terms.account_balance_walletMAGI CalculatorCalculate your Modified Adjusted Gross Income (MAGI) by adding back specific deductions to your AGI.local_gas_stationMileage Calculator (Car)Calculate your car's fuel efficiency in km/l, cost per kilometre and total fuel cost.account_balance_walletMonthly Income CalculatorConvert hourly, daily, weekly, biweekly or annual income into monthly, weekly and annual figures — instantly.homeMortgage Payment CalculatorEstimate your monthly mortgage payment including principal, interest, property tax, home insurance and PMI — with a full amortization schedule.event_repeatRD Calculator (Recurring Deposit)Estimate the maturity value and interest of a recurring deposit based on monthly deposits, rate and tenure.monitoringReal GDP CalculatorConvert nominal GDP into real GDP using the GDP deflator — measuring output after stripping out price changes.trending_upReturn on Investment (ROI) CalculatorCalculate your ROI and annualized return from the amount invested, the final value and how long you held it.account_balance_walletSalary Calculator (CTC to In-Hand)Convert your CTC into monthly take-home salary, showing PF, professional tax and income-tax deductions.local_shippingShipping Cost CalculatorEstimate shipping costs for UPS, USPS or FedEx from package weight, delivery zone and package type — before you book.savingsSIP CalculatorEstimate how much a monthly SIP investment can grow into, with expected annual returns and optional yearly step-up.elderlySocial Security Benefits CalculatorEstimate your monthly US Social Security retirement benefit from your average indexed monthly earnings (AIME).account_balanceSWP Calculator (Systematic Withdrawal Plan)See how long a lump-sum investment lasts with regular monthly withdrawals, and how much income it can generate.paymentsTake-Home Pay CalculatorConvert your annual gross salary to take-home pay after income tax, standard deduction and 4% cess — monthly and annual.
monitor_heartHealth & Fitness
Health calculators for BMI, calorie needs, ideal weight and pregnancy due dates.
calendar_monthBiological Age CalculatorEstimate your biological age from your lifestyle — diet, exercise, sleep, smoking, alcohol and stress — compared with your calendar age.monitor_weightBMI CalculatorCalculate your Body Mass Index from weight and height, see your category, and the healthy weight range for your height.monitor_heartBMR CalculatorCalculate your Basal Metabolic Rate with the Mifflin-St Jeor and Katch-McArdle formulas — the calories you burn at complete rest.accessibility_newBody Fat Percentage CalculatorEstimate your body fat percentage with the US Navy method from your height and waist, neck (and hip) measurements — plus your fat and lean mass.checkroomBra Size CalculatorFind your bra size from just two tape measurements — underbust and bust — using the US modern or traditional +4 method.restaurantCalorie Calculator (BMR & TDEE)Find your daily calorie needs — BMR, TDEE and calories for losing, maintaining or gaining weight.monitor_weight_lossCalorie Deficit CalculatorWork out your daily calorie deficit, the intake you need to hit it, and how quickly you will lose weight — based on your TDEE.monitor_heartCreatinine Clearance CalculatorEstimate creatinine clearance (CrCl) with the Cockcroft-Gault formula from age, weight, gender and serum creatinine.pregnant_womanEDD Calculator (Estimated Due Date)Calculate your estimated due date adjusted for your menstrual cycle length using Naegele's rule.monitor_heartHeart Rate from ECG CalculatorCalculate heart rate in beats per minute (BPM) from an ECG strip using the RR interval or count method.accessibility_newIdeal Weight CalculatorEstimate your ideal body weight from height and gender using Devine, Robinson, Miller or Hamwi formulas.restaurantMacros CalculatorWork out your daily protein, fat and carbohydrate targets in grams from your TDEE and your fitness goal.local_fire_departmentMaintenance Calories CalculatorFind the calories needed to maintain your weight from BMR and activity level, plus targets for cutting and bulking.favoriteMax Heart Rate CalculatorEstimate your maximum heart rate with the classic 220−age or the more accurate Tanaka formula, with all five training zones.pregnant_womanOvulation CalculatorFind your ovulation date and fertile window from your last period and cycle length, with your next period date too.favoritePregnancy Due Date CalculatorFind your due date, gestational age and trimester from your last menstrual period (LMP).child_friendlyPregnancy Week CalculatorFind your pregnancy week, trimester and due date from your last period — or work backwards from a due date.restaurantProtein Intake CalculatorFind your ideal daily protein intake based on your weight, activity level and fitness goal.local_fire_departmentTDEE CalculatorFind your Total Daily Energy Expenditure — the exact calories you burn each day — from BMR and activity level, with lose and gain targets.directions_runVO2 Max CalculatorEstimate your VO2 max — your aerobic fitness — from your resting heart rate, with fitness categories for men and women.activity_zoneZone 2 Heart Rate CalculatorFind your Zone 2 heart rate range — the fat-burning aerobic zone — as a percentage of max HR or with the Karvonen method.
calendar_monthDate & Time
Date and time calculators for age, days between dates, date addition and time duration.
cakeAge CalculatorCalculate your exact age in years, months and days from your date of birth — plus total days and your next birthday.eventAdd or Subtract Days from a DateCalculate the date that falls a given number of days, weeks, months or years before or after any date.calendar_todayDay of the Week CalculatorFind out what day of the week any date falls on — past, present or future.date_rangeDays Between Dates CalculatorCount the exact number of days, weeks, months and business days between any two dates.scheduleHours Worked CalculatorCalculate net hours worked in a shift — clock in, clock out, overnight and break time — as hours, minutes and a clean timecard text.eventLeap Year CalculatorCheck if a year is a leap year and find out how many days it has, plus the next leap year.scheduleTime Duration CalculatorCalculate the duration between two times of day, in hours and minutes, including overnight shifts.
percentMath & Percentage
Percentage calculators and everyday math tools for quick, accurate results.
calculateAverage CalculatorCalculate the mean, median, mode and range of any set of numbers — enter values separated by commas.square_footCubic Feet CalculatorCalculate the volume of a box in cubic feet, cubic inches, cubic meters and liters from length, width and height.schoolCut Off Marks CalculatorCalculate your cut-off marks and percentage from up to 5 subjects — best of 4 for Indian board exam admissions.electric_boltDipole Moment CalculatorCalculate the electric dipole moment from charge and separation distance with unit conversion.local_offerDiscount CalculatorFind the final price after a discount and see exactly how much you save.terrainElevation Change CalculatorFind the elevation change over a distance from a slope angle in degrees or a percent grade.scienceEquivalent Weight CalculatorCalculate the equivalent weight of a substance from its molar mass and n-factor for chemistry calculations.schoolGPA CalculatorCalculate your weighted GPA from up to five courses and credit hours, on the US 4.0 scale or the Indian 10-point scale.tagHCF Calculator (Greatest Common Divisor)Find the Highest Common Factor (HCF) of two numbers with step-by-step Euclidean algorithm work.tagLCM Calculator (Least Common Multiple)Find the Least Common Multiple of two numbers — useful for adding fractions, scheduling and pattern alignment.storefrontMarkup & Margin CalculatorWork out the selling price from cost plus markup, and the resulting margin percentage.scienceMoles Calculator (Chemistry)Convert between mass, moles and number of molecules for common chemical substances.percentPercentage CalculatorFind what X% of Y is, instantly — the everyday percentage calculator for discounts, marks, tips and more.compare_arrowsPercentage Change CalculatorFind the percentage increase or decrease between two values — from 80 to 100, or 100 to 80.arrow_downwardPercentage Decrease CalculatorTake a percentage off a number — find the new value after a discount, price cut or reduction.sync_altPercentage Difference CalculatorCompare two numbers and find the percentage difference between them — the symmetric measure used for prices, estimates and measurements.arrow_upwardPercentage Increase CalculatorAdd a percentage to a number — find the new value after a price rise, salary increase or markup.compare_arrowsRatio CalculatorSimplify any ratio to its lowest terms and see the percentage breakdown of each part.find_replaceReverse Percentage CalculatorFind the original number when you know a value and the percentage it represents — "30 is 15% of what?"roofingRoof Pitch CalculatorConvert roof rise and run into pitch (X-in-12), angle in degrees and percent grade for roofing work.gradingSGPA to Percentage CalculatorConvert your SGPA (Semester Grade Point Average) to percentage for job applications and higher studies.crop_squareSquare Footage CalculatorFind the area of a room in square feet and square meters from its length and width — for flooring, painting and real estate.waterWater Tank Capacity CalculatorCalculate the capacity of a rectangular or cylindrical water tank in liters, gallons and cubic meters.pie_chartX is What Percent of Y CalculatorFind what percentage one number is of another — "30 is what percent of 200?"monitoringZ-Score CalculatorCalculate the z-score of a value from its mean and standard deviation, and see the corresponding percentile in the normal distribution.
auto_awesomeFun & Personality
Fun and personality calculators like FLAMES, numerology and life path numbers.
auto_awesomeArcana Check CalculatorCalculate your D&D 5e Arcana check — d20 roll + Intelligence modifier + proficiency — for recalling magical knowledge.petsDog Years CalculatorConvert your dog's age into human years using the modern science-backed formula, adjusted for breed size.favoriteFLAMES CalculatorCheck name compatibility the classic way — Friends, Lovers, Affectionate, Marriage, Enemies or Siblings — by comparing any two names.sports_golfGolf Handicap CalculatorCalculate your golf handicap differential for a round — (score − course rating) × 113 ÷ slope — the basis of the World Handicap System.routeLife Path Number CalculatorFind your numerology Life Path number from your date of birth — including master numbers 11, 22 and 33 — with its meaning.auto_awesomeMulank (Moolank) CalculatorFind your numerology Mulank (birth-day root number) and Bhagyank (destiny number) from your date of birth, with their planet and meaning.visibilityPassive Perception CalculatorFind your D&D 5e passive Perception score — 10 + Wisdom modifier + proficiency — for spotting traps and hidden creatures.diamondRing Size CalculatorFind your ring size from finger circumference or diameter in millimetres, converted to US, UK and EU sizes.