All Calculators
Every calculator and converter, grouped by category
171 calculators and converters
Unit Converters
View category- Angle ConverterConvert degrees, radians, gradians and more
- Area ConverterConvert square feet, square metres, acres, hectares and more
- Data Storage ConverterConvert bits, bytes, KB, MB, GB, TB and GiB
- Data Transfer Rate ConverterConvert Mbps, MB/s, Gbps and more
- Electric Current ConverterConvert amperes, milliamps, microamps and more
- Voltage ConverterConvert volts, kilovolts, millivolts and more
- Resistance ConverterConvert ohms, kilohms, megohms and more
- Capacitance ConverterConvert farads, µF, nF, pF and more
- Electric Charge ConverterConvert coulombs, mAh, Ah and more
- Conductance ConverterConvert siemens, mS, µS and more
- Inductance ConverterConvert henries, mH, µH, nH and more
- Energy ConverterConvert joules, calories, kWh, BTU and more
- Force ConverterConvert newtons, kgf, pounds-force and more
- Frequency ConverterConvert hertz, kHz, MHz, GHz, RPM and rad/s
- Length ConverterConvert between metres, feet, inches, miles and more
- Power ConverterConvert watts, kW, horsepower, BTU/h and AC tons
- Pressure ConverterConvert psi, bar, kPa, atm, mmHg and more
- Speed ConverterConvert km/h, mph, m/s, knots and more
- Temperature ConverterConvert Celsius, Fahrenheit, Kelvin and Rankine
- Time ConverterConvert seconds, minutes, hours, days, weeks and years
- Torque ConverterConvert N·m, lb·ft, kgf·m and more
- Volume ConverterConvert litres, millilitres, gallons, cups, cubic feet and more
- Weight ConverterConvert kilograms, grams, pounds, ounces, tola and more
- Weight to Volume Converterkg to litres, mL to grams — for water, milk, oil and more
- Height ConverterFeet and inches to cm, and back
Math Calculators
View category- Average CalculatorThe average (mean) of any list of numbers
- Binary CalculatorBinary arithmetic and binary ↔ decimal conversion
- Circle CalculatorRadius, diameter, circumference and area from any one of them
- Coin TossFlip a coin online — heads or tails
- Dice RollerRoll any number of dice online
- Discount CalculatorSale price, savings and discount percentage
- Exponent CalculatorPowers of any number, including negative and fractional exponents
- Factor CalculatorAll factors, factor pairs and prime factors of a number
- Fraction CalculatorAdd, subtract, multiply and divide fractions
- GPA CalculatorWork out your SGPA, CGPA or 4.0 GPA
- Grade CalculatorYour weighted grade, and what you need on the final
- HCF Calculator (GCF / GCD)Greatest common factor of two or more numbers
- Hex CalculatorHexadecimal arithmetic and hex ↔ decimal conversion
- LCM CalculatorLeast common multiple of two or more numbers
- Log Calculator (Logarithm)Logarithm of any number in any base
- Long Division CalculatorQuotient and remainder, with every step shown
- Mean, Median, Mode CalculatorMean, median, mode and range of a data set
- Percentage CalculatorPercent of a number, percent of a total, and percent change
- Probability CalculatorCombine the chances of two independent events
- Pythagorean Theorem CalculatorFind the missing side with a² + b² = c²
- Random Number GeneratorPick random numbers in any range
- Ratio CalculatorSolve, simplify and share ratios
- Right Triangle CalculatorSolve any right-angled triangle from two values
- Roman Numeral ConverterNumbers to Roman numerals and back
- Root CalculatorSquare root, cube root and any n-th root
- Rounding CalculatorRound to decimal places, tens, hundreds or significant figures
- Sample Size CalculatorHow many people to survey for reliable results
- Scientific CalculatorFree online calculator with trig, logs, powers and roots
- Slope CalculatorSlope, angle and line equation from two points
- Standard Deviation CalculatorSample and population standard deviation, with working
- Surface Area CalculatorSurface area of a box, cylinder, sphere, cone or pyramid
- Tip CalculatorTip, total and each person's share of the bill
- Triangle CalculatorSolve any triangle from three known values
- Z-Score CalculatorZ-score and percentile for any value
Financial Calculators
View category- Advance Tax CalculatorInstalments and due dates for FY 2026-27
- Atal Pension Yojana CalculatorMonthly contribution for a guaranteed pension of ₹1,000 to ₹5,000
- Loan Balance Transfer CalculatorIs moving your loan to a lower rate worth the fees?
- Bike Loan EMI CalculatorEMI for a motorcycle or scooter loan
- Break-Even CalculatorHow many units you must sell to cover your costs
- Brokerage CalculatorAll charges on a share trade, and your real profit
- CAGR CalculatorThe yearly growth rate between two values
- Capital Gains Tax CalculatorTax on selling shares, mutual funds, property or gold
- Car Loan EMI CalculatorEMI and total cost of your new or used car loan
- Commission CalculatorCommission on a sale, with GST and TDS
- Compound Interest CalculatorHow money grows when interest earns interest
- Credit Card Interest CalculatorThe real cost of paying only the minimum, or converting to EMI
- Depreciation CalculatorStraight-line or written-down value, year by year
- Education Loan EMI CalculatorEMI after the moratorium, with interest during your studies
- EMI CalculatorKnow your monthly instalment before you borrow
- EPF CalculatorYour provident fund balance at retirement
- FD CalculatorFind the maturity value of your fixed deposit
- Flat vs Reducing Rate CalculatorConvert a flat interest rate to its real reducing-balance rate
- Goal SIP CalculatorHow much to invest each month to reach your goal
- Gold Loan CalculatorHow much you can borrow against your gold, and what it costs
- Gratuity CalculatorYour gratuity on leaving, and how much is tax-free
- GST CalculatorAdd or remove GST from any price
- Home Loan EMI CalculatorMonthly EMI, interest and repayment schedule for your home loan
- Hourly to Salary CalculatorConvert pay between hourly, daily, weekly, monthly and yearly
- HRA CalculatorHow much of your house rent allowance is tax-free
- In-Hand Salary CalculatorYour monthly take-home pay from your CTC
- Income Tax CalculatorOld vs new regime for FY 2026-27, side by side
- Inflation CalculatorWhat things will cost, and what your money will be worth
- KVP CalculatorWhen your Kisan Vikas Patra doubles
- Leave Encashment CalculatorWhat your unused leave pays, and the tax-free part
- Loan Eligibility CalculatorHow much you can borrow on your income
- Loan Prepayment CalculatorHow much interest a part-payment saves, and how much sooner you're done
- Lumpsum CalculatorWhat a one-time investment grows into
- Markup CalculatorSelling price from cost and markup
- Net Worth CalculatorWhat you own minus what you owe
- NPS CalculatorYour National Pension System corpus, lump sum and monthly pension
- NSC CalculatorNational Savings Certificate maturity and yearly interest
- Overtime CalculatorOvertime pay at double rate, as Indian labour law requires
- Personal Loan EMI CalculatorEMI, interest and the real cost including processing fees
- Post Office MIS CalculatorMonthly income from the Post Office Monthly Income Scheme
- PPF CalculatorPlan your Public Provident Fund maturity
- Price per Square Foot CalculatorProperty rate per sq ft, sq m or gaj, or the total price
- Profit Margin CalculatorMargin and markup from cost and price, or the price for a target margin
- RD CalculatorMaturity value of your recurring deposit
- Rent vs Buy CalculatorShould you buy a home or rent and invest the difference?
- Retirement CalculatorHow big a corpus you need, and the monthly SIP to get there
- ROI CalculatorReturn on investment, total and per year
- Rule of 72 CalculatorHow long it takes your money to double
- Salary Hike CalculatorYour new salary after an increment, or the hike percentage
- SCSS CalculatorQuarterly income from the Senior Citizens' Savings Scheme
- Simple Interest CalculatorInterest and total amount on any principal, rate and time
- SIP CalculatorSee what your monthly investment can grow into
- Step-Up SIP CalculatorGrow your SIP every year and see the difference
- Stock Average CalculatorYour average buying price across several purchases
- Sukanya Samriddhi CalculatorSSY maturity for your daughter's account
- SWP CalculatorMonthly income from your mutual fund corpus
- TDS CalculatorTax deducted at source on interest, rent, fees and more
- XIRR CalculatorThe real yearly return on investments made at different dates
Date & Time
View category- Age CalculatorYour age, down to the day
- Date CalculatorDays between dates, or add and subtract days
- Day CounterCount the days between two dates
- What Day of the Year Is It?Today's day number out of 365 (or 366)
- Days From Today CalculatorThe date any number of days from today or ago
- How Many Days Are Left in the Year?Days remaining until 31 December
- Hours CalculatorHours and minutes between two times
- Hours From Now CalculatorWhat time it will be (or was) any number of hours from now
- Minutes From Now CalculatorWhat time it will be (or was) any number of minutes from now
- Months From Today CalculatorThe date any number of months from today or ago
- Time CalculatorAdd or subtract hours, minutes and seconds
- Time Duration CalculatorHow much time between two dates and times
- What Week of the Year Is It?Today's ISO week number
- Weeks From Today CalculatorThe date any number of weeks from today or ago
- What Is Today's Date?Today's date, time, week number and day of the year
- Countdown TimerCount down to any date and time
Measurement Calculators
View categoryConstruction Calculators
View categoryHealth & Fitness
View category- BMI CalculatorCheck your Body Mass Index in seconds
- BMR CalculatorCalories your body burns at rest
- Body Fat CalculatorBody fat percentage with a tape measure
- Body Surface Area CalculatorBSA in m² by Mosteller, Du Bois and more
- Body Type CalculatorFind your body shape from four measurements
- Bra Size CalculatorYour band and cup size in India, UK, US and EU sizes
- Calorie & TDEE CalculatorYour daily calories (TDEE) for any weight goal
- Calories Burned CalculatorCalories burned walking, running, yoga and more
- Conception CalculatorWhen you most likely conceived
- Ideal Weight CalculatorYour ideal body weight by height, four ways
- Lean Body Mass CalculatorYour fat-free mass from height and weight
- Macro CalculatorDaily protein, carbs and fat in grams
- One Rep Max CalculatorEstimate your 1RM from any set
- Ovulation CalculatorYour fertile days and ovulation date
- Pace CalculatorRunning pace, finish time or distance
- Period CalculatorPredict your next periods
- Pregnancy CalculatorYour due date and how many weeks pregnant you are
- Pregnancy Weight Gain CalculatorHow much weight to gain, week by week
- Protein CalculatorHow much protein you need each day
- Sleep CalculatorWhen to go to bed or wake up, by sleep cycles
- Target Heart Rate CalculatorYour heart rate zones for exercise
- TDEE CalculatorTotal daily energy expenditure: calories you burn a day