Math Calculators
Quick and accurate tools for everyday math problems.
Percentage Calculator
Calculate percentages easily. Find what percent of a number is, percentage increase/decrease, and more.
Fraction Calculator
Add, subtract, multiply, and divide fractions. See step-by-step solutions with simplified results.
GPA Calculator
Calculate your cumulative GPA from course grades and credits. Supports standard 4.0 scale and weighted GPA.
Random Number Generator
Generate random numbers within any range. Perfect for lotteries, games, decisions, and statistical sampling.
Standard Deviation Calculator
Calculate mean, standard deviation, variance, and other statistics for any data set. Supports population and sample.
Area Calculator
Calculate the area of common shapes including circle, rectangle, triangle, trapezoid, and more with formulas.
Probability Calculator
Calculate single event, multiple event, and conditional probability. Includes permutations and combinations.
Scientific Calculator
Free online scientific calculator with trigonometry, logarithms, exponents, square roots, factorial, and more advanced math functions.
Average Calculator
Calculate mean, median, mode, and range for any set of numbers. Paste or type your data for instant descriptive statistics.
Triangle Calculator
Solve any triangle using SSS, SAS, or right triangle mode. Calculate all sides, angles, area, and perimeter with step-by-step formulas.
LCM & GCF Calculator
Find the Least Common Multiple and Greatest Common Factor of two or more numbers. Shows prime factorization and step-by-step work.
Prime Number Checker
Check if any number is prime. See prime factorization, all factors, and nearest primes instantly.
Quadratic Formula Calculator
Solve any quadratic equation. See discriminant, roots (real or complex), vertex, and axis of symmetry.
Volume Calculator
Calculate volume and surface area of sphere, cube, cylinder, cone, and rectangular prism with formulas.
Percentage Change Calculator
Calculate the percentage increase or decrease between two values. See absolute change, direction, and step-by-step formula.
Slope Calculator
Find slope, rise, run, line equation (y = mx + b), angle in degrees, and distance between two points.
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