Math Calculators
Free online math calculators. 35 tools available.
Percentage Calculator
Calculate percentages, increases, and decreases
Fraction Calculator
Add, subtract, multiply, divide fractions
Ratio Calculator
Simplify and scale ratios
Proportion Calculator
Solve proportions and cross-multiply
Average Calculator
Calculate mean, median, mode, range
Median Calculator
Find the median of a data set
Mode Calculator
Find the mode of a data set
Standard Deviation Calculator
Calculate standard deviation and variance
Variance Calculator
Calculate variance of a data set
Percentile Calculator
Find the value at a given percentile
Z-Score Calculator
Calculate z-score and percentile rank
Combination Calculator
Calculate combinations and permutations
Permutation Calculator
Calculate permutations of items
GCD & LCM Calculator
Find greatest common divisor and least common multiple
Prime Number Checker
Check if a number is prime and find factors
Logarithm Calculator
Calculate logarithms with any base
Exponential Calculator
Calculate exponential functions
Scientific Notation Converter
Convert to and from scientific notation
Number Base Converter
Convert between binary, octal, decimal, hex
Random Number Generator
Generate random numbers within a range
Sequence Calculator
Generate Fibonacci, Lucas, arithmetic, geometric sequences
Quadratic Calculator
Solve quadratic equations step by step
Pythagorean Calculator
Calculate triangle sides using Pythagorean theorem
Modulo Calculator
Calculate remainder of division
Matrix Calculator
Perform matrix operations: add, multiply, determinant
Big Number Calculator
Perform calculations with large numbers
Aspect Ratio Calculator
Calculate dimensions from aspect ratios
Statistics Calculator
Complete descriptive statistics analysis
Mean Median Mode
Calculate mean, median, and mode together
Probability Calculator
Calculate probability and odds
Sig Fig Calculator
Round to significant figures
Rounding Calculator
Round numbers with different methods
Binary Calculator
Perform binary arithmetic operations
Hex Calculator
Hexadecimal calculator
Scientific Calculator
Full-featured scientific calculator
About Math Calculators
Our math calculators cover every tool you need. Each calculator is free, instant, and works directly in your browser with no signup required.
Whether you're a professional, student, or just need a quick calculation, our math tools provide accurate results using standard formulas and methods.