Free Online Tool

Triangle Calculator

Solve right and oblique triangles using Pythagorean theorem, Law of Sines, and Law of Cosines.

Interactive Triangle Calculator

Math

25 * 4 + 10

110

Input any 3 known triangle values (sides or angles) to calculate remaining dimensions.

Area = 0.5 × base × height | a² + b² = c² (Right Triangle)

Our mathematical algorithms adhere to standard scientific and financial guidelines to deliver maximum accuracy.

a² + b² = c², where c is the hypotenuse opposite the right angle.

Perform advanced mathematical operations including trigonometry, logarithms, powers, and roots.

Add, subtract, multiply, divide, and simplify proper and improper fractions or mixed numbers.

Calculate percentage change, percent of a number, or percentage increase/decrease instantly.

Generate random numbers, lottery numbers, or random pick lists within custom numeric ranges.

Calculate sample and population standard deviation, variance, mean, and sum of squares.