Calculators

Add or remove GST from any amount at any slab — 3%, 5%, 12%, 18%, 28% or 40% — and see the CGST/SGST split and total instantly, free and online.

Work out your monthly EMI, total interest and total payment for any home, car or personal loan, with a year-by-year repayment schedule.

Work out what X% of Y is, what percentage X is of Y, and the percentage change from one value to another.

Calculate exact age in years, months and days between a date of birth and any date — handy for exam eligibility.

Find the exact number of years, months, weeks and days between any two dates.

Find the final price and the amount you save after any percentage discount, instantly.

Convert a rupee amount into words using the Indian numbering system.

A full scientific calculator with trigonometric, logarithmic and power functions.

Add, subtract, multiply and divide fractions, with the result automatically simplified.

Generate one or many random numbers within any range, with an option to avoid duplicates.

Solve a triangle's angles and area from its three side lengths.

Calculate mean, median, mode, variance and standard deviation for a data set.

Calculate your grade point average from each course's grade and credits.

Work out the grade needed on a final exam to reach a target overall grade.

Estimate concrete volume needed for a slab, footing or column, in cubic feet, yards or metres.

Work out a tip amount and per-person split for any bill.

Split a bill evenly between any number of people.

Calculate profit and margin from cost price and selling price.

Calculate profit margin percentage from cost and revenue.

Calculate a selling price from cost and a target markup percentage.

Simplify any ratio to its lowest terms.

Calculate the mean, median and mode of a data set.

Calculate the combined probability of independent events happening together or either happening.

Find the lowest common multiple of a set of numbers.

Find the greatest common divisor (HCF) of a set of numbers.

Check whether a number is prime, and see its prime factors if not.

Calculate the factorial of any whole number from 0 to 170.

Calculate the square root and cube root of any number.

Solve any quadratic equation ax² + bx + c = 0 and see the discriminant and roots.

Roll one or many virtual dice (d4 to d20), or flip a coin.