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Not too long ago: A couple realized not only that they fit together to 27 % but also what date they will break up, and why.

Calculate area

This is not a calculation per se but serves as an overview of the area calculations you can make here.

Click on the geometrical shape below, that you want to calculate. You can calculate the area of a square/rectangle, a circle and a triangle.

0 2016/08/12 | Is something broken?

What is broken?

Is there something wrong with the calculation Calculate area? 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: 2016/08/12

Bug / Fix When Name Comment

Other calculations in geometry (area, volume etc)

Calculate volume
Calculate the volume of all common geometrical shapes, such as cubes, spheres, pyramids, cones etc.
Calculate area
Calculate the area of all common geometrical shapes, such as circles, triangles etc.
Calculate the volume of a sphere
Calculate the volume of a sphere (such as the earth, a marble) using many different dimensions for both input and output.
Calculate the volume of a cube or brick
Calculate the volume of a cube or brick (such as a dice or an iPhone) using plenty of different input measurements and get the volume in any dimension you want.
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 volume of a cone
Calculate the volume of a cone (such as an ice cream cone), it allows multiple different types of inputs and outputs - depending on your need.
Calculate the volume of a cylinder
Calculate the volume of a cylinder (such as a beer can or a hose) using many 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.
Calculate the area of a square or rectangle
Use this calculation to calculate the area of a square or a rectangle.
Calculate the area of a circle
This calculation will calculate the area of a circle using either the diameter, the radius or the circumference as input.
Calculate the area of a triangle
Calculate the area of a (right-angled) triangle with this calculation.
Calculate the surface area of a sphere
How much space do we have to live on, on planet Earth? Calculate this and many other things in this calculation for surface area for spheres.
Calculate the surface area of a cone
With this calculation you can calculate the surface area of a cone.
Calculate the surface area of a cube or a brick
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

Recalculate proportions (in recipes etc)
Convert the quantities in a recipe based on, for example portions or an ingredient, into new quantities.
Calculate when you are sober again after drinking alcohol
Enter how much alcohol you drank and get an estimate of how much time you have to wait until you are sober again.
Calculate area
Calculate the area of all common geometrical shapes, such as circles, triangles etc.
Calculate stopping and braking distance
When you are driving a vehicle the distance from where you see the danger until the vehicle has stopped will be calculated according to reaction time and breaking time. This calculation will estimate both.
Calculate the surface area of a sphere
How much space do we have to live on, on planet Earth? Calculate this and many other things in this calculation for surface area for spheres.