Geometry Calculators

Utilize our comprehensive geometry calculators to accurately solve problems involving areas, perimeters, and volumes. Designed for students, educators, and professionals who require dependable, quick results for academic work or technical projects. Easy to use online, saving you time and effort.

Showing 33 of 33 calculators

30-60-90 Triangle Calculator

Calculate 30-60-90 triangles with precision. Complete tool for geometric calculations with special right triangles proportion 1:√3:2.

45-45-90 Triangle Calculator

Calculate 45-45-90 triangles with precision. Complete tool for geometric calculations with isosceles right triangles proportion 1:1:√2.

Belt Length Calculator

Calculate the required belt length for pulley systems with our belt length calculator. Determine lengths for open and crossed belts accurately.

Catenary Curve Calculator

Calculate catenary curve coordinates with our precise calculator. Determine curve points using sag parameter and X coordinate for engineering projects.

Circle Area Calculator

Quickly calculate the area of a circle by entering the radius. Perfect for geometry tasks, construction planning, and surface measurements.

Circumscribed Circle Calculator

Calculate circumscribed circles of triangles easily. Find radius, diameter, circumference and area of the circle passing through all three triangle vertices.

Ellipse Area Calculator

Accurately calculate the area of an ellipse using the semi-major and semi-minor axes. Perfect for geometry, engineering, and design applications.

Equilateral Triangle Calculator

Calculate area, perimeter, height and apothem of equilateral triangles. Online equilateral triangle calculator with different units of measurement. Fast and accurate.

Generic Rectangle Calculator

Calculate area, perimeter, diagonal and aspect ratio of rectangles from different data combinations. Versatile calculator with validation and educational information.

Hexagon Area Calculator

Easily calculate the area of regular hexagons with the Hexagon Area Calculator. Perfect for students, engineers, and professionals needing fast, accurate results.

Irregular Land Area Calculator

Quickly calculate the size of irregular plots with the Irregular Land Area Calculator. Input side lengths to estimate square meters, hectares, and more.

Isosceles Triangle Calculator

Calculate area, perimeter, height and angles of isosceles triangle. Complete tool with multiple calculation methods and geometric validation.

Octagon Area Calculator

Easily calculate the area of regular octagons with the Octagon Area Calculator. Perfect for students, engineers, and professionals needing fast, accurate results.

Parallelogram Area Calculator

Calculate the area of a parallelogram by entering the base and height. Ideal for geometry, construction layouts, and academic use.

Pascal's Triangle Calculator

Generate and visualize Pascal's triangle with our calculator. Calculate binomial coefficients, explore mathematical properties and numerical patterns.

Pentagon Area Calculator

Easily calculate the area of regular pentagons with the Pentagon Area Calculator. Perfect for students, engineers, and professionals needing fast, accurate results.

Regular Polygon Area Calculator

Calculate the area of any regular polygon by entering the number of sides and side length. Ideal for geometry, architecture, and design tasks.

Rectangle Area Calculator

Easily find the area of a rectangle by entering its width and height. Perfect for construction, design, and geometry calculations in everyday scenarios.

Right Triangle Calculator

Calculate all sides, angles, area and perimeter of right triangles. Complete calculator with Pythagorean theorem, trigonometry and validation.

Similar Triangles Calculator

Check whether two triangles are similar or find missing lengths using our similar triangles calculator. Apply SSS, AA and SAS criteria easily with step-by-step solutions.

Slant Height Calculator

Calculate slant height of cones and pyramids easily. Determine slant height, lateral area and surface area with our precise geometric calculator.

Slope Percentage Calculator

Calculate slope percentage, angle and grade of inclines with our slope calculator. Enter rise and run for precise results in construction and engineering projects.

Special Right Triangles Calculator

Calculate special right triangles 45-45-90 and 30-60-90 with precision. Ideal for mathematics and geometry students who need to solve special triangle problems.

Square Area Calculator

Instantly calculate the area of a square by entering the side length. Great for schoolwork, construction layouts, and quick surface area estimations.

Surface Area of a Triangular Prism Calculator

Calculate the surface area of triangular prisms with different input methods. Complete tool for lateral area, base area and total surface calculations.

Trapezoid Area Calculator

Calculate the area of a trapezoid quickly by entering both bases and the height. Ideal for geometry, construction, and educational purposes.

Triangle Angle Calculator

Calculate triangle angles accurately using law of sines and cosines. Determine angles knowing sides or other angles with our mathematical calculator.

Triangle Area Calculator

Calculate the area of any triangle with ease. Enter the base and height to get accurate results. Ideal for geometry, construction, and academic use.

Triangle Height Calculator

Calculate triangle height easily with our triangle height calculator. Determine the height by entering the base and area of the triangle.

Triangle Inequality Theorem Calculator

Check if three sides can form a valid triangle with our triangle inequality theorem calculator. Determine triangle validity easily.

Triangle Perimeter Calculator

Calculate perimeter, area and properties of triangles with our precise calculator. Enter sides, angles or base and height for complete results.

Triangular Numbers Calculator

Calculate triangular numbers easily with our triangular numbers calculator. Discover the nth triangular number using the mathematical formula T(n).

Triangular Prism Calculator

Calculate volume, area and properties of triangular prisms with our precise calculator. Enter the three sides of the triangle and height for complete results.