Geometry

Calculate area, angles, perimeter, and heights of a scalene triangle given 3 sides (SSS), 2 sides and an angle (SAS), or 2 angles and a side (ASA). Instant results with formulas and step-by-step examples.

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Geometry

Browse calculators and resources in this section.

Latest update: 2026-01-26

Calculators

Azimuth and Bearing Converter
Convert azimuth to bearing and vice versa with our precise, professional-grade online tool tailored for civil surveying needs.
Triangular Prism Volume Calculator – Right & Oblique Prisms
Triangular prism volume calculator with multiple methods: base & height, three sides (Heron’s formula), or base area and length. Returns volume in cubic units, m³, liters and more, with step-by-step formulas.
Solid Geometry Calculator: Volume & Surface Area for 3D Shapes | CalcDomain
Free solid geometry calculator for 3D shapes. Calculate volume, total surface area, lateral surface, and base area for cube, rectangular prism, sphere, cylinder, cone, pyramid, triangular prism, torus and more. Includes formulas and explanations.
Trapezoid Calculator (Area, Perimeter, Angles, Height)
Calculate the area, perimeter, angles, and height of any trapezoid (trapezium). Our tool handles all types: generic, isosceles, and right trapezoids.
Cross Product Calculator – 3D Vector Cross Product & Area
Compute the cross product of 3D vectors step by step. Get the resulting vector, magnitude, and area of the parallelogram/triangle, with clear formulas and worked examples.
Ellipse Calculator: Center, Foci, Area, and Circumference | CalcDomain
Calculate all key properties of an ellipse: center (h, k), semi-axes (a, b), foci, area, and circumference. Enter coefficients from the general conic section form.
Graphing & Visualization Playground | Function Plotter, Data Charts, Simple Graphs
Interactive graphing and visualization tool: plot math functions, turn CSV data into line or bar charts, and sketch simple node-link graphs right in your browser. No install, instant visuals.
Octagon Calculator (Area, Perimeter, Side, Inradius, Circumradius)
Regular octagon calculator to find area, perimeter, side length, inradius (apothem), circumradius and the size of the square it fits in. Enter any one measure — side, area, perimeter, inradius, circumradius — and get the rest. Includes formulas and step-by-step explanation.
Triangle Calculator (Solve SSS, SAS, ASA, AAS, Area, Perimeter)
The Universal Triangle Solver. Input any 3 parameters (sides or angles) to find the remaining sides, angles, area, perimeter, and the type of triangle (e.g., Right, Isosceles).
Volume Calculator for Common 3D Shapes
Calculate the volume of a cube, rectangular prism, cylinder, cone, sphere, pyramid, triangular prism, or torus. Dynamic formulas, unit support, and step-by-step volume explanation.
Rectangular Prism (Cuboid) Volume Calculator
Calculate the volume of a rectangular prism (cuboid) with our precise, accessible online tool. Perfect for students, educators, and professionals in geometry.
Distance Formula Calculator: 2D, 3D & Lat/Long | CalcDomain
Calculate the distance between two points using the distance formula. Supports 2D (x1,y1)-(x2,y2), 3D (x,y,z), and geographic distance (latitude/longitude, haversine). Shows steps, formula, midpoint and examples.
Chord Calculator: Circle Chord Length, Angle, Sagitta & Arc | CalcDomain
Free chord calculator for circles. Find chord length from radius and angle, from sagitta, from distance to center, or from arc length. Also computes central angle, arc length, and segment area.
Angle Calculator (Right Triangle Solver) | CalcDomain
Calculate missing angles and sides of a right-angled triangle. Find solutions using Trigonometry (SOHCAHTOA) and the Pythagorean Theorem. Shows step-by-step formulas.
Frustum of a Cone Volume Calculator
Calculate the volume of a frustum of a cone with ease using our interactive online calculator. Perfect for students, engineers, and geometry enthusiasts.
Central Angle Calculator: From Arc, Chord, Sector Area & Radius | CalcDomain
Central angle calculator for circles. Find the central angle from arc length and radius, from chord length and radius, or from sector area. Shows angle in degrees and radians, and gives arc, chord, and sector area.
Midpoint Calculator (2D & 3D) - Step-by-Step | CalcDomain
Calculate the midpoint of a line segment in 2D or 3D space. Find the coordinates using the midpoint formula: $(x_1 + x_2)/2$ and $(y_1 + y_2)/2$. Includes detailed steps.
Pentagon Calculator (Area, Perimeter, Angles, Apothem)
Calculate the area, perimeter, and internal angles of any regular pentagon. Solve by entering the side length, apothem, or circumradius.
Cone Volume Calculator (V, Area, Slant Height) | CalcDomain
Calculate the volume, base area, and lateral surface area of a cone. Input radius and height to get a step-by-step solution for all geometric properties.
Golden Ratio Calculator
Calculate the golden ratio with precision using our interactive calculator. Perfect for designers, architects, and mathematicians.
Rhombus Calculator - Solve All Properties
Calculate the area, perimeter, side, diagonals, and angles of a rhombus from any two known values. Includes formulas and a step-by-step example.
Isosceles Triangle Calculator - Solve All Sides & Angles
Calculate all properties of an isosceles triangle (sides, angles, area, height) from any two known values. Includes formulas and a step-by-step example.
Regular Polygon Area Calculator
Calculate the area of a regular polygon with our precise and easy-to-use tool. Suitable for students, teachers, and geometry enthusiasts.
Nonagon Calculator - Solve Area, Side, & Radii
Calculate the area, side length, apothem, circumradius, and perimeter of a regular nonagon from any known value. Includes formulas and examples.
Kite Calculator - Area, Perimeter & Kitesurfing Size
A 2-in-1 tool to calculate the area and perimeter of a geometric kite, or find the right kiteboarding kite size based on your weight and wind speed.
Scalene Triangle Calculator - Calculate Area, Angles, & Perimeter
Calculate area, angles, perimeter, and heights of a scalene triangle given 3 sides (SSS), 2 sides and an angle (SAS), or 2 angles and a side (ASA). Instant results with formulas and step-by-step examples.
Formulas

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Version 0.1.0-draft
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Changelog
  • 0.1.0-draft — 2026-01-19: Initial draft (review required).