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kalkylera mera count calculate
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Calculate the area of a circle

Use this calculation to calculate the area of a circle. You can use numerous different inputs and choose to submit the radius, the diameter or the circumference of the circle. In the result you will get all unknown variables presented.
0 2011/09/29 | Is something broken?

What is broken?

Is there something wrong with the calculation Calculate the area of a circle? Is it a bug or has it gone completely offline? Please, let us know what is wrong! If the calculation did not give you the result you expected, please write which values you used and what you expected the calculation to do.


Bugs & Fixes

This calculation was last reviewed or fixed: 2011/09/29

Bug / Fix When Name Comment

Other calculations in geometry (area, volume etc)

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Use this calculation to calculate the area of a square or a rectangle.
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This calculation will calculate the area of a circle using either the diameter, the radius or the circumference as input.
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Calculate the area of a (right-angled) triangle with this calculation.
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With this calculation you can calculate the surface area of a cone.
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Use this calculation to calculate the surface area of cubes and bricks.
Calculate the surface area of a pyramid
Ever wondered how much you would have to paint if you were to repaint the pyramids? No? Well, you can calculate surface areas of pyramids (with four-sided bases) here if you ever find the need.
Calculate the surface area of a cylinder
If you would unfold a cylinder it would become a rectangle. Calculate the surface area of a cylinder (i.e. that rectangle) here.

Some random calculations

Calculate the volume of a pyramid
Calculate the volume of a pyramid with a four-sided bases (such as, well, the pyramids!) using several different dimensions for both input and output.
Calculate the surface area of different geometrical shapes
The surface area is the surface part of a three-dimensional object. You can use these calculations to determine that here.
How miserable is your life?
Calculate how miserable your life is in this test that will go through all the dark parts of your life.
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Calculate when you will have your 10 000th birthday or will turn 20 000 days and so on.
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There are several costs related to a car, not only gas and insurance. This calculation takes a stand point and calculates the real cost of your car. It can then be used to compare it to other cars or public transportation costs.