3D Geometry calculators
24 calculators Cube Calculator Cube any number (n³) or enter one cube property and get the rest: edge, volume, surface area, face diagonal, and space diagonal with metric or imperial units.
Open Pyramid Volume Calculator Calculate pyramid volume, total surface area, lateral face area, slant height, and lateral edge for square, rectangular, triangular, or hexagonal pyramids.
Open Surface Area Calculator Calculate total, lateral, and base surface area for 10 shapes: sphere, cube, cylinder, cone, box, hemisphere, capsule, pyramid, prism, and frustum.
Open Tetrahedron Volume Calculator Calculate volume, surface area, height, inradius, midsphere, circumradius, and surface-to-volume ratio for a regular tetrahedron. Includes reverse-solve from volume.
Open Volume Calculator Volume calculator for 12 shapes: cube, box, sphere, cylinder, cone, capsule, ellipsoid, frustum, and more. Get surface area, litres, gallons, and step-by-step work.
Open Cube Calculator: Find Volume, Surface Area, and Diagonal Calculate the volume, surface area, face diagonal, and space diagonal of a cube. Enter any one value and solve the rest instantly, with step-by-step math and a visual diagram.
Open Ellipsoid Volume Calculator: Volume, Surface Area, and Equivalent Sphere Calculate the volume of any ellipsoid from its three semi-axes with step-by-step working, surface area (Thomsen formula), equivalent sphere radius, and unit switching.
Open Great Circle Calculator Calculate the great-circle distance, initial and final bearing, midpoint, and flight time between any two points on Earth using the Haversine formula.
Open Lateral Area of a Trapezoidal Prism Calculator Calculate the lateral and total surface area of a trapezoidal prism. Enter the four side lengths, trapezoid height, and prism length for step-by-step results.
Open Pyramid Angle Calculator Calculate all four angles of a regular right pyramid: alpha, beta, gamma, and delta. Also finds slant height, lateral edge, and apothem. Works for any polygon base.
Open Rectangular Prism Calculator Calculate the volume, total and lateral surface area, space diagonal, and face areas of a rectangular prism. Switch between metric and imperial units.
Open Right Circular Cone Calculator Calculate the volume, total surface area, lateral area, base area, and slant height of a right circular cone from any two known dimensions. Metric and imperial units.
Open Right Cylinder Calculator: Volume, Surface Area, Lateral Area Calculate volume, total surface area, lateral area, and base area of a right cylinder. Six solve modes, 7 length units, step-by-step math, and a shape diagram.
Open Right Rectangular Pyramid Calculator: A, V, A_l, A_b Calculate volume, total surface area, lateral surface area, base area, slant heights and lateral edge of a right rectangular pyramid instantly. Metric and imperial.
Open Slant Height Calculator Calculate the slant height of a cone or square pyramid instantly. Enter height and base to get slant height, or reverse-solve for height. Metric and imperial.
Open Sphere Calculator: Find V, A, d Solve any sphere property from a single known value. Enter radius, diameter, volume, surface area, or circumference and instantly get all the rest, with step-by-step working.
Open Surface Area of a Hemisphere Calculator Calculate the curved, base, and total surface area of a hemisphere from any known value: radius, diameter, volume, or curved area. Metric and imperial units.
Open Surface Area of a Triangular Prism Calculator Calculate the total surface area, lateral area, and base area of a triangular prism. Choose from 4 triangle modes with step-by-step working and formulas.
Open Surface Area to Volume Ratio Calculator Calculate SA:V ratio for cubes, spheres, cylinders, cones, rectangular prisms, hemispheres, and capsules. Includes formulas, worked examples, and biology context.
Open Torus Surface Area Calculator Calculate the surface area of a torus using tube radius and major radius, or inner and outer radii. Includes the formula, step-by-step working, and volume.
Open Torus Volume Calculator Calculate the volume and surface area of a torus instantly. Enter major and minor radii in metric or imperial units, see step-by-step working, and learn the formulas.
Open Triangular Prism Calculator Calculate the volume and surface area of any triangular prism. Five triangle input modes: base and height, right triangle, SSS, SAS, and ASA. Metric and imperial units.
Open Volume of a Hemisphere Calculator Calculate hemisphere volume, curved surface area, base area and total surface area from radius or diameter. Metric and imperial units, with step-by-step working.
Open Volume of a Trapezoidal Prism Calculator Calculate the volume, surface area, and lateral area of a trapezoidal prism instantly. Enter the two bases, height, leg lengths, and prism length. Metric or imperial.
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