Calculators

Find your profit margin and markup from cost and revenue

Find how many units you must sell to cover your costs

Convert between 24 world currencies with live rates and an interactive matrix

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

Project the future value of systematic monthly investments

See how your money grows with compound interest over time

Calculate simple interest on a principal over time

Calculate fixed deposit maturity value and interest earned

Calculate recurring deposit maturity with monthly contributions

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

Total your assets and liabilities to find your net worth

See how inflation erodes the purchasing power of money

Estimate how much you need to retire comfortably

Estimate your Employees' Provident Fund corpus at 8.25% with the 12%+12% contribution split

Project your National Pension System corpus with the 10%+10% contribution and tax benefits

Convert annual salary to monthly take-home pay after tax

Project your Public Provident Fund maturity value at the current 7.1% rate

Calculate sale prices, discounts and savings

Add or remove GST from prices with a single click

Compute sales tax and total price for any purchase

Add or remove Value Added Tax from a price

Calculate FY 2026-27 income tax under the new and old regimes with the 87A rebate

Calculate salary TDS for FY 2026-27 under the new and old regimes with monthly deductions

Calculate House Rent Allowance exemption and taxable HRA under the old tax regime

Solve quadratic equations with roots and parabola

Find square roots and simplified radical forms

Calculate cube roots of any number

Evaluate polynomials and derivatives at any point

Calculate n! with trailing zeros and digit count

Add, subtract, multiply and divide fractions

Calculate percentages, percent change and ratios

Full-featured scientific calculator with trigonometry and logs

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

Break any number into its prime factors

Test if a number is prime and explore its factors

Calculate your Body Mass Index and healthy weight range

Find your ideal body weight and healthy weight range

Estimate body fat percentage with the US Navy method

Calculate body surface area with multiple medical formulas

Estimate basal metabolic rate and daily calorie needs

Find your target heart rate zones for training

Estimate calories burned across dozens of activities

Estimate your one-rep max from any set

Calculate running pace and speed from distance and time

Find maintenance calories and targets for weight goals

Calculate daily calorie and macronutrient targets

Find your daily protein target based on activity and goals

Calculate how much water you should drink daily

Predict ovulation and your most fertile days

Estimate your due date and current pregnancy week

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

Count down to any date and time

Convert times across 18 world time zones

Convert Unix timestamps to readable dates and back

Calculate the duration between two times

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

Expand any CIDR block into full network details

Calculate network, broadcast and usable host ranges

Find the bandwidth needed to transfer data in time

Estimate how long file downloads take at your speed

Convert between binary, decimal, hex and octal

Convert hex numbers to decimal, binary and octal

Convert octal numbers to decimal, binary and hex

Compute CRC-32 checksums for data verification

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

Convert between bytes, KB, MB, GB and TB