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Free Math Tools Online
33 free tools — no signup required
Calculators and solvers for everyday math, statistics, and geometry. From basic percentages and averages to standard deviation, matrix operations, and quadratic equations. Also includes practical calculators for BMI, tips, discounts, GPA, and loan payments.
📐Math Tools
Area Calculator
Calculate the area of common 2D shapes including rectangles, circles, triangles, and more.
📦Math Tools
Volume Calculator
Calculate the volume of common 3D shapes including cubes, spheres, and cylinders.
📐Math Tools
Pythagorean Theorem Calculator
Solve for any side of a right triangle using the Pythagorean theorem.
📐Math Tools
Triangle Calculator
Solve any triangle given sides and angles using the law of sines and cosines.
⭕Math Tools
Circle Calculator
Calculate circumference, area, diameter, and radius of a circle.