Math Calculators · cluster
Free Geometry & Shapes Calculators
Length, area, volume and angle in two and three dimensions.
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27 calculators in this cluster
Free Slope Calculator
Slope and equation of a line from two points.
Free Distance Formula Calculator
Euclidean distance between two 2D or 3D points.
Free Circle Calculator
Area, circumference, and diameter from a circle radius.
Free Triangle Calculator
Area, perimeter, and heights from three sides (Heron's formula).
Free Right Triangle Calculator
Hypotenuse and angles from the two legs.
Free Pythagorean Theorem Calculator
Find the missing side of a right triangle: a² + b² = c².
Free Box Surface Area Calculator
Surface area and volume of a rectangular box.
Free Cone Calculator
Volume and surface area of a right circular cone.
Free Coordinate Reflection & Rotation Calculator
Reflect or rotate a 2D point.
Free 3D Cross Product Calculator
Cross product and magnitude of two 3D vectors.
Free Cube Calculator
Volume, surface area and diagonal of a cube.
Free Cylinder Calculator
Volume and surface area of a cylinder.
Free Dot Product Calculator
Dot product and angle between two 2D vectors.
Free Ellipse Calculator
Area and approximate perimeter of an ellipse.
Free Hypotenuse Length Calculator
Find the hypotenuse of a right triangle.
Free Law of Cosines Calculator
Find a side from two sides and the included angle.
Free Law of Sines Calculator
Find a missing side or angle using the law of sines.
Free Midpoint Calculator
Midpoint between two coordinate points.
Free Polygon Angles Calculator
Interior and exterior angles of a regular polygon.
Free Pyramid Volume Calculator
Volume of a pyramid with a square base.
Free Rectangle Area Calculator
Area and perimeter of a rectangle.
Free Regular Polygon Area Calculator
Area and perimeter of a regular polygon.
Free Sector & Arc Length Calculator
Arc length and sector area from radius and angle.
Free Similar Triangles Scale Calculator
Scale factor and missing side of similar triangles.
Free Sphere Calculator
Volume and surface area of a sphere.
Free Trapezoid Area Calculator
Area of a trapezoid from parallel sides and height.
Free Vector Addition & Magnitude Calculator
Add two 2D vectors and find the resultant magnitude.
Concepts you'll meet here
Related clusters in math calculators
Free Algebra & Equations Calculators
Solving for unknowns and manipulating expressions.
Free Statistics & Probability Calculators
Describing data and quantifying uncertainty.
Free Number Tools & Notation Calculators
Bases, factors, rounding and precision.
Free Academic & Grades Calculators
Weighted averages applied to education.