35 free calculators and tools
Perform basic arithmetic operations
Calculate percentages, increases, and decreases
Add, subtract, multiply, and divide fractions
Calculate your Body Mass Index
Calculate area of any shape
Calculate volume of 3D shapes
Calculate sides of a right triangle
Solve ax² + bx + c = 0
Find Greatest Common Factor and Least Common Multiple
Calculate powers and roots
Calculate log, ln, and log base
Sin, cos, tan and their inverses
Advanced calculator with trig and functions
Convert between metric and imperial units
Convert Celsius, Fahrenheit, Kelvin
Convert km/h, mph, m/s, knots
Convert meters, feet, inches, miles
Convert kg, lbs, oz, stones
Calculate distance between two points
Mean, median, mode calculator
Calculate standard deviation and variance
Calculate probability and combinations
Calculate permutations and combinations
Simplify and solve ratios
Solve proportion problems
Calculate profit margin and markup
Calculate tip and split bills
Calculate sale prices and savings
Calculate exact age between dates
Calculate fuel costs for trips
Generate random numbers in any range
Check if a number is prime
Calculate n! for any number
Generate Fibonacci sequences
Basic matrix operations