- Volume Calculator
- Area Calculator
- Perimeter Calculator
- Surface Area Calculator
- Circle Calculator
- Rectangle Calculator
- Triangle Calculator
-
Heron's Formula Area CalculatorFind a triangle's area from its three side lengths using Heron's formula. Enter sides a, b, and c to get the area, semi-perimeter, and perimeter instantly.
-
Right Triangle Area CalculatorCalculate the area of a right triangle from its two legs using A = ½·a·b. Also returns hypotenuse and perimeter instantly.
-
Regular Hexagon Area CalculatorCalculate the area of a regular hexagon from its side length using A = (3√3/2)s². Also returns perimeter and apothem instantly.
-
Triangle Area CalculatorCalculate the area of a triangle from its base and height using A = ½·b·h. Fast, free, and accurate for any unit of measurement.
-
Square Area CalculatorCalculate the area of a square instantly with A = s². Enter the side length and get area, perimeter, and diagonal in seconds.
-
Surface Area of a Square Pyramid CalculatorCalculate the total surface area of a square pyramid from its base edge and height. Includes base area, lateral area, and slant height instantly.
-
Surface Area of a Rectangular Prism CalculatorCalculate the surface area of a rectangular prism (cuboid) from its length, width, and height using A = 2(lw + lh + wh). Free and instant.
-
Surface Area of a Cone CalculatorCalculate the total surface area of a cone from its base radius and height. Get base area, lateral area, slant height and total area instantly.
-
Surface Area of a Cuboid CalculatorCalculate the surface area of a cuboid (rectangular box) from length, width and height using SA = 2(lw + lh + wh). Also shows volume and diagonal.
-
Triangular Prism CalculatorFree triangular prism calculator: find volume, total/lateral/top/bottom surface area or prism height from sides a, b, c and height h using Heron's formula.
-
Solid Geometry Calculator (Volume & Surface Area)Free solid geometry calculator for volume and surface area of 13 shapes: sphere, cone, cylinder, frustum, cube, prism, pyramid, tube and 3D distance.
-
Surface Area Calculator for Geometric SolidsCalculate total, lateral and bottom surface area of spheres, cones, cylinders, pyramids, prisms, frustums, capsules and more, in any length unit.
-
Right Circular Cone CalculatorSolve a right circular cone from any two known values. Get radius, height, slant height, volume, lateral/base/total surface area and cone angles instantly.
-
Solid Geometry Shapes CalculatorFree solid geometry calculator: find the volume, surface area, slant height and diagonals of a sphere, cone, cylinder, cube, pyramid, frustum, capsule and box.
-
Rectangular Prism Calculator (Cuboid)Calculate a rectangular prism (cuboid): volume, total, lateral, top and bottom surface area, space diagonal and missing height from any 3 known values.
-
Circular Cylinder CalculatorSolve a right circular cylinder from any 2 known values: radius, height, volume, lateral area, or total surface area. Get all properties plus "in terms of pi".
-
Cube Geometry SolverSolve every property of a cube from one known value. Enter side length, face diagonal, space diagonal, surface area or volume to get the other four.
-
Capsule CalculatorCalculate the volume, surface area, circumference, radius and side length of a capsule (cylinder with two hemispherical caps) from any two known values.
-
Regular Hexagonal Prism Volume and Surface Area CalculatorCalculate the volume and surface area of a regular hexagonal prism from its base side length and height. Free, instant geometry calculator with formulas.
-
Equilateral Triangular Prism Volume and Surface Area CalculatorCalculate the volume and surface area of an equilateral triangular prism from the triangle side length a and prism height h. Fast, accurate, free.
-
Volume and Surface Area of a Circular-Segment Solid of RevolutionCompute the volume and surface area of a circular-segment solid of revolution, with optional partial sweep angle (truncated). Uses Pappus's theorems. Universal geometry tool.
-
Volume of a Partial (Vertically Cut) Right Circular ConeCompute the volume, base segment area, lateral and section area of a right circular cone sliced by a vertical plane, from radius r, height h and segment height a.
-
Truncated Cone CalculatorCalculate the volume, slant height, lateral and total surface area of a truncated cone (frustum) from its two radii and height. Free online tool.
-
Slant Height of a Cone CalculatorCalculate the slant height of a cone from its base radius and vertical height using l = √(r² + h²). Fast, accurate, and free.
