The main reason we could point to is the simplicity of the cube. What do you say? Do you want to know more? Sure!Īs promised, we will now look at why the formula for the volume of a cube is so simple and why it is comprised of only two variables and two mathematical symbols. Now let us tell you a secret about a tool that lives to the left of this text and allows you to calculate the volume of a cube in one simple step. And with that, we've got it - we have calculated the volume of a cube and escaped unharmed. We are one dimension (i.e., one multiplication) away from finding the volume of a cube, so just pick up that pen again and let's do it! We have now calculated the area of the squares that make up each of the six sides of our cube. Take a piece of paper and proceed to attack the formula for the volume of a cube by multiplying first l × l = 5cm × 5cm = 25cm². The units don't really matter, but we'll keep them to help us keep track of the dimensions. Assume we have a cube of side length l = 5 cm. Let's bring back the formula and use it in a simple example: volume = l³. There is a good reason for this it will help you better understand how you calculate the volume of a cube. In true dad style, we will teach you how to do things the old-fashioned way before you move into the future. We will first calculate the volume of a cube by hand, and later we will use the Omni-Calculator to find the volume of a cube without having to deal with the formula at all. Now that we have seen and understood the cube volume formula, we shall move on to explaining how to calculate the volume of a cube. If you are happy enough with the current difficulty level, let's move on. These are more complicated and will probably make you happier. If all this sounds very easy to you, just know that there are other formulas for the volume of a cube in case you don't know the length of the sides. Like how you calculate the area of a square by multiplying the length of each side, you can multiply the three sides of a cube since they are all the same. The previous formula comes from the fact that the cube volume (in 3D) is analogous to the area of a square (in 2D). This is just another way to say that you need to multiply the length of each side l by itself three times: l × l × l = l³, or, in other words, elevating it to the third power (learn more about power in the exponent calculator) Where l is the length of the sides of the cube. But if you are not interested in abstract concepts and just want to know the volume of a cube, there is a simple answer to the question What is the volume of a cube? Volume is a measure of the 3D space occupied by an object.
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