Calculators

Find your profit margin and markup from cost and revenue

Find how many units you must sell to cover your costs

Convert between 12 major world currencies instantly

Convert Indian Rupees to 20+ world currencies with lakh/crore formatting

Project the future value of systematic monthly investments

Calculate fixed deposit maturity value and interest earned

Calculate recurring deposit maturity with monthly contributions

See how your money grows with compound interest over time

Calculate simple interest on a principal over time

Measure return on investment with annualized returns

Calculate monthly loan EMI, total interest and full payment schedule

Calculate payments for any loan with flexible repayment frequency

Estimate monthly mortgage payments including taxes, insurance and PMI

See how inflation erodes the purchasing power of money

Total your assets and liabilities to find your net worth

Estimate how much you need to retire comfortably

Convert annual salary to monthly take-home pay after tax

Calculate sale prices, discounts and savings

Add or remove GST from prices with a single click

Add or remove Value Added Tax from a price

Compute sales tax and total price for any purchase

Find square roots and simplified radical forms

Calculate cube roots of any number

Solve quadratic equations with roots and parabola

Evaluate polynomials and derivatives at any point

Calculate n! with trailing zeros and digit count

Add, subtract, multiply and divide fractions

Full-featured scientific calculator with trigonometry and logs

Calculate percentages, percent change and ratios

Calculate logarithms in any base

Add, subtract and multiply 2x2 and 3x3 matrices

Compute determinants and inverses of small matrices

Find the greatest common divisor with full steps

Find the least common multiple of two numbers

Test if a number is prime and explore its factors

Break any number into its prime factors

Calculate your Body Mass Index and healthy weight range

Estimate body fat percentage with the US Navy method

Find your ideal body weight and healthy weight range

Calculate body surface area with multiple medical formulas

Estimate basal metabolic rate and daily calorie needs

Estimate calories burned across dozens of activities

Find your target heart rate zones for training

Calculate running pace and speed from distance and time

Estimate your one-rep max from any set

Find maintenance calories and targets for weight goals

Calculate how much water you should drink daily

Find your daily protein target based on activity and goals

Calculate daily calorie and macronutrient targets

Estimate your due date and current pregnancy week

Predict ovulation and your most fertile days

Calculate exact age in years, months and days

Find the ISO week number for any date

Check if a year is a leap year and find upcoming ones

Find the exact difference between two dates

Count the days between any two dates

Count working days between dates, excluding weekends

Calculate the duration between two times

Count down to any date and time

Convert times across 18 world time zones

Convert Unix timestamps to readable dates and back

Convert m/s², g-force and other accelerations

Convert degrees, radians and gradians

Convert between square meters, acres, hectares and more

Convert molarity and concentration units

Convert cooking measurements with ingredient densities

Convert density between metric and imperial units

Convert bytes, kilobytes, megabytes and terabytes

Convert data transfer rates like Mbps and MB/s

Convert amperes, milliamps and microamps

Convert volts, millivolts and kilovolts

Convert ohms, kiloohms and megaohms

Convert farads, microfarads and picofarads

Convert henries and millihenries

Convert coulombs, ampere-hours and mAh

Convert joules, calories, kWh and BTUs

Convert liters per second, GPM and cubic meters

Convert newtons, kilogram-force, pound-force and more

Convert hertz, kilohertz, megahertz and RPM

Convert L/100km, MPG and km/L

Convert between 19 length units from millimeters to parsecs

Convert nits, candela and lux units

Convert tesla, gauss and gamma field units

Convert between kilograms, pounds, ounces and more

Convert mass units including tons, stones and slugs

Convert watts, horsepower and BTUs per hour

Convert bar, PSI, atmospheres, Pascals and more

Convert becquerels, curies, grays and sieverts

Convert km/h, mph, knots and Mach speeds

Convert between Celsius, Fahrenheit, Kelvin and more

Convert seconds, minutes, hours, days and years

Convert newton-meters and pound-feet of torque

Convert px, pt, em and other CSS units

Convert pascal-seconds, poise and centipoise

Convert liters, gallons, cups and cubic units

Encode and decode text to and from Base64

Convert colors between HEX, RGB, HSL and HSV

Find the bandwidth needed to transfer data in time

Estimate how long file downloads take at your speed

Calculate network, broadcast and usable host ranges

Expand any CIDR block into full network details

Convert between binary, decimal, hex and octal

Convert octal numbers to decimal, binary and hex

Convert hex numbers to decimal, binary and octal

Generate MD5, SHA-1 and SHA-256 hashes instantly

Compute CRC-32 checksums for data verification

Convert between bytes, KB, MB, GB and TB