Everyday Calculators
Quick calculators for school, college and daily life, from percentages and CGPA to land units such as cents, guntas and acres.
- Percentage Calculator Solve every common percentage problem in one place: percent of a number, percent change, reverse percentages and exam marks percentage.
- Scientific Calculator A full scientific calculator in your browser.
- Ratio Calculator Solve proportions, reduce ratios to their simplest form, and share an amount between people in a given ratio.
- Average Calculator Paste or type a list of numbers to get the average instantly, along with the weighted average, median and mode.
- Statistics Calculator Descriptive statistics for any list of numbers: central tendency, spread and quartiles, with both sample and population formulas.
- CGPA to Percentage Convert your CGPA or SGPA to a percentage using the formula your board or university uses, or convert a percentage back to CGPA.
- Grade Calculator Add your assessments with their weights to see your overall grade, and find out what you need in the last exam to hit your target.
- Matrix Calculator Matrix operations for students and engineers.
- Graph Plotter Draw graphs of mathematical functions in your browser.
- Unit Converter Convert between metric, imperial and Indian units.
- Land Area Converter Convert between Indian land measurement units such as cents, guntas, ankanams, grounds and bighas, and standard units like acres, square feet and hectares.
- Area Calculator Find the area of a room, plot or any common shape.
- Volume Calculator Work out the volume of common shapes and the capacity of water tanks and sumps in litres.
- Fuel Cost Calculator Estimate how much fuel a trip needs and what it will cost, including tolls, and split it among travellers.
- Tip Calculator Work out a tip and split the bill evenly among your group in seconds.
- BMI Calculator Check your Body Mass Index using the lower cut-offs recommended for Indians, and find the healthy weight range for your height.
- Calorie Calculator Estimate your daily calorie needs (TDEE) from your age, height, weight and activity level, with targets for weight loss or gain.
- Water Intake Calculator Estimate your daily water needs, adjusted for exercise, hot weather and pregnancy.
- Pregnancy Due Date Calculator Estimate your due date and see how far along you are, with the dates of important scans and milestones.
- Shoe Size Converter Find your shoe size in Indian, UK, US and European sizing, with the matching foot length.
- Clothing Size Converter Match S, M, L sizes to chest, waist and international sizes for men, women and kids.
- Number Base Converter Convert whole numbers between binary, octal, decimal, hexadecimal and any base up to 36, including very large values.
- Prime Number Checker Test whether a number is prime, break composite numbers into prime factors, and list the primes in any range.
- GCD & LCM Calculator Calculate the highest common factor and lowest common multiple of any set of whole numbers, with the division steps shown.
- Quadratic Equation Solver Enter a, b and c to solve any quadratic equation, including equations with complex roots.
- Probability Calculator Solve probability problems: single events, two independent events, combinations and permutations, and binomial distributions.