CSG Area Calculator

This calculator requires the use of Javascript enabled and capable browsers. It is to determine the area of an object. Select the object from the options, multiple triangles, square, circle, rectangle, rhombus, regular polygon and trapezium; then answer the questions about size, such as radius, base, height, length or width for the object you wish to calculate. In regular or right triangles, the height is measured in a perpendicular from the highest point to the base. In irregular triangles, enter the length of each of the sides. Triangles do NOT need to be right triangles (though they can be); just select the correct calculator. All entries should be numeric. The answer is returned as a number, based on your entries. In the listed formulae for this set of calculations, PI here is used as 3.1415929203539825. Enjoy!.

Other area calculators for your use are our Ellipse Area Calculator, Parabola Area Calculator, Parallelogram Area Calculator, Pyramid Area Calculator, Trapezoid Area Calculator, our Surface Area Calculator, Irregular Polygon Area Calculator and our Land Parcel Area Calculator. At least you are in the right area...

Regular Triangle Formula - A = B x 1/2 x H
Enter the width of the base
Enter the height of the triangle
	square units
Right Triangle (Regular, Isosceles or 30-60-90) Formula - A = B x 1/2 x H
Enter the width of the base
Enter the height of the triangle
	square units
Irregular Triangle Formula - s = (a + b + c) / 2 or 1/2 of the perimeter of the triangle Formula - A = SquareRoot(s * (s - a) * (s - b) * (s - c))
Enter the length of side one
Enter the length of side two
Enter the length of side three
	square units
Square Formula - A = L x L
Enter the length of one edge
	square units
Circle Formula - A = PI x (r x r)
Enter the radius of the circle
	square units
Rectangle Formula - A = L x W
Enter the length
Enter the width
	square units
Rhombus Formula - A = (D1 x D2) / 2
Enter the greater diameter
Enter the smaller diameter
	square units
Regular Polygon Formula - A = 1/2 * a * l * n
Enter the apothem (radius of inscribed circle)
Enter the number of sides
Enter the length of each side
	square units
Trapezium Formula - A = (.5 * h) * (p1 + p2)
Enter the first parallel side
Enter the other parallel side
Enter the height
	square units

Version 2.9.6

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CSG Area Calculator

Regular Triangle

Right Triangle (Regular, Isosceles or 30-60-90)

Irregular Triangle

Square

Circle

Rectangle

Rhombus

Regular Polygon

Trapezium