Math & Calculators
Free online math calculators including percentage calculator, scientific calculator, fraction calculator, prime number checker, and more. 20 math tools.
Percentage Calculator
Calculate percentages instantly. Find what percent one number is of another, increase/decrease by a percentage, or work out the original value from a percentage.
Age Calculator
Calculate your exact age in years, months, days, hours, and minutes from your date of birth. Find the age difference between two dates instantly.
BMI Calculator
Calculate your Body Mass Index (BMI) using metric or imperial units. Understand your BMI category — underweight, normal, overweight, or obese — instantly.
EMI Calculator
Calculate your Equated Monthly Installment (EMI) for home loans, car loans, and personal loans. View a full amortization schedule with interest breakdown.
Tip Calculator
Calculate the perfect tip for any bill. Set your tip percentage, split the total among multiple people, and see exactly what everyone owes.
Discount Calculator
Find the final price after a discount, the percentage saved, or the original price before a sale. Perfect for shopping, retail pricing, and coupon calculations.
Average Calculator
Calculate the mean, median, mode, and range of any set of numbers. Enter a list of values and get a full statistical summary instantly.
GPA Calculator
Calculate your GPA (Grade Point Average) on a 4.0 or custom scale. Add courses with grades and credit hours to get your cumulative GPA instantly.
Scientific Calculator
A full-featured scientific calculator with trigonometric functions, logarithms, exponents, factorials, and more. Perform advanced math calculations in your browser.
Binary Calculator
Perform arithmetic on binary numbers and convert between binary, decimal, octal, and hexadecimal. An essential tool for programmers and computer science students.
Hex Calculator
Perform arithmetic and bitwise operations on hexadecimal numbers. Convert between hex, decimal, binary, and octal instantly. Essential for programmers and developers.
Fraction Calculator
Add, subtract, multiply, and divide fractions and mixed numbers. Get results as simplified fractions and decimals. Ideal for students and everyday math.
Square Root Calculator
Calculate the square root, cube root, or any nth root of a number instantly. Supports both perfect squares and irrational results with high decimal precision.
Exponent Calculator
Calculate any base raised to any exponent instantly. Supports large integers, decimal bases, negative exponents, and fractional powers with precise results.
Random Picker
Pick a random item, name, or number from a custom list. Perfect for giveaways, team selection, random name drawing, and decision making.
Countdown Timer
Set a countdown timer for any duration. Get an alert when the time runs out. Perfect for cooking, studying, presentations, workouts, and productivity.
Stopwatch
A precise online stopwatch with lap recording. Start, stop, and reset with a single click. Record unlimited laps and export your times for sports and study tracking.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between any two dates. Find deadlines, plan events, and count down to important milestones.
Time Zone Converter
Convert time between any two time zones worldwide. Find the equivalent time for meetings, flights, or events across different countries and cities.
Number to Words
Convert any number to its English word representation. Supports integers up to trillions, decimals, currency format, and ordinal numbers.