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Heron's formula calculator
This calculator calculates the area of a triangle using Heron's formula. This formula gives the area of a triangle from the lengths of all three sides. The formula can be found below the calculator.
Area of triangle by coordinates
This calculator determines the area of a triangle using its vertex coordinates in the cartesian coordinate system.
Conversion between imperial and metric units of area
These calculators convert imperial to metric and metric to imperial units of area
Regular polygon area from circumcircle
Calculates the area of the circumcircle and of the regular polygon from radius of circumcircle and number of sides
Circle formulas
Circle formulas
Area of a convex quadrilateral. Example of creating a calculator.
This online calculator calculates area of a convex quadrilateral given diagonal values and value of angle between them. Article also describes the process of creating a calculator.
Price based on running meter
This online calculator calculates the price of certain area based on price of running or linear meter
Counting pipes from the end face
The approach to the calculation of the number of nested circles of smaller radius at a known length of the describing circle of a larger radius. Created by user request
Hip roof calculator
This calculator will help you estimate hip roof parameters, including rafters and roof area
Circular sector
Calculates area, arc length, perimeter, and center of mass of circular sector
Circular segment
Here you can find the set of calculators related to circular segment: segment area calculator, arc length calculator, chord length calculator, height and perimeter of circular segment by radius and angle calculator.
Polygon area
An online calculator calculates a polygon area, given lengths of polygon sides and diagonals, which split polygon to non-overlapping triangles.
Number of flagstones for paving
This calculator will help you to estimates number of flagstones needed for paving
Number of flagstones to units of area and vice versa
These calculators convert entered number of flagstones to area size and vice versa - calculate number of flagstones needed to cover entered ara size. Metric and imperial units are supported
Pressure over a surface
This online calculator computes pressure, cause by given mass over given surface in gravity field. Result is displayed using different units of pressure
Display aspect ratio and dimensions
This online calculator finds screen dimensions - height, width and area, given the diagonal value and aspect ratio.
Pipe cold bending. Flexure depth with the main shaft.
Calculates the section flexure depth with pipe bender or bending machine to obtain given parameters.
Area of an irregular quadrangle with the given sides
Calculates an area of an irregular quadrangle with the given sides
Side of regular polygon from polygon area
Calculates the side length of regular polygon given the area of the regular polygon and number of sides
Area expression with different units
Calculator expresses the given area through the different units of area measurement.
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