Online Calculators
General-purpose calculators for math, science, and everyday use. Choose from basic arithmetic to advanced scientific functions.
Simple Calculator
A clean, easy-to-use online calculator for basic arithmetic. Perform addition, subtraction, multiplication, and division instantly.
CalculatorsScientific Calculator
A full-featured scientific calculator with trigonometry, logarithms, exponents, and advanced math functions. Works entirely in your browser.
CalculatorsPercentage Calculator
Calculate percentages instantly. Find what percent of a number is, calculate percentage change, find the original value, and more — all in one tool.
CalculatorsFraction Calculator
Add, subtract, multiply, and divide fractions instantly. Get simplified results with step-by-step explanations. Supports mixed numbers.
CalculatorsGPA Calculator
Calculate your GPA instantly. Add courses with letter grades and credit hours to see your semester and cumulative GPA on a 4.0 scale.
CalculatorsStatistics Calculator
Calculate mean, median, mode, range, variance, and standard deviation for any dataset. Instant results with full statistical breakdown.
CalculatorsRatio Calculator
Simplify ratios, find equivalent ratios, scale a ratio to a total, and solve proportions. Instant results with step-by-step breakdown.
CalculatorsAverage Calculator
Calculate the arithmetic mean, weighted average, and geometric mean of any set of numbers. Instant results with a full breakdown.
CalculatorsSquare Root Calculator
Calculate the square root, cube root, or any nth root of a number instantly. Includes a perfect squares reference table.
CalculatorsExponent / Power Calculator
Calculate any base raised to any exponent. Supports negative and fractional exponents, scientific notation, and powers tables.
CalculatorsLCM & GCD Calculator
Calculate the Least Common Multiple (LCM) and Greatest Common Divisor (GCD) of two or more numbers with prime factorization.
CalculatorsPrime Number Checker
Check if a number is prime, find its prime factorization, and list all prime numbers within a range.
CalculatorsRandom Number Generator
Generate random integers, decimals, or simulate coin flips and dice rolls. Set range, count, and no-duplicates option.
CalculatorsProbability Calculator
Calculate basic probability, combinations (nCr), permutations (nPr), and probability of multiple independent events.
CalculatorsMatrix Calculator
Perform 2×2 and 3×3 matrix operations: addition, subtraction, multiplication, determinant, inverse, and transpose.
CalculatorsQuadratic Equation Solver
Solve ax² + bx + c = 0 using the quadratic formula. Get real or complex roots, discriminant, vertex, and step-by-step solution.
Calculators