## Area of a rectangle box formula

Last Updated: June 24, References. To create this article, 27 people, some anonymous, worked to edit and improve it over time. There are 10 references cited in this article, which can be found at the bottom of the page.

This article has been viewedtimes. Learn more A rectangle is a quadrilateral  X Research source with two sides of equal length and two sides of equal width that contains four right angles. To find the area of a rectangle, all you have to do is multiply its length with its width. If you want to know how to find the area of a rectangle, just follow these easy steps. Every day at wikiHow, we work hard to give you access to instructions and information that will help you live a better life, whether it's keeping you safer, healthier, or improving your well-being.

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To quickly calculate the area of a rectangle, find the length of the base. Then, multiply the base by the height of the rectangle to get the area.

For example, a rectangle with a base of 6 and a height of 9 has an area of Be sure to include the units of the measurements in your answer. If you need to find the area if you only know the area or the length of 1 side and a diagonal, keep reading the article! Learn why people trust wikiHow. Explore this Article methods. Tips and Warnings. Related Articles. Article Summary. Method 1 of Understand the rectangle. The rectangle is a quadrilateral, which means it has four sides. If one side of the rectangle is 10, for example, then the opposite side's length will also be Also, every square is a rectangle, but not all rectangles are squares.

So treat squares like rectangles in terms of finding its area. Learn the equation for finding the area of a rectangle. This means that the area is equal to the length of the rectangle times its width. Method 2 of Use this calculator to easily calculate the area of a rectangle given its sides length and width in any metric: mm, cm, meters, km, inches, feet, yards, miles The formula for the area of a rectangle is width x heightas seen in the figure below:.

All you need are two measurements and you can calculate its perimeter by hand, or by using our perimeter of a rectangle calculator above. The result will be in the unit the width and height are measured in, but squared, e. The calculation is straightforward using the formula above: just make sure you have the measurement of the width and height in the same units, and then multiply them.

Don't forget to express the result in the squared unit, and you are good to go. The area of any rectangular place is or surface is its length multiplied by its width. Since in multiplication the order in which the numbers are multiplied does not matter, you need not worry about switching the places of the two measurements.

Area of a rectangle calculations have a vast array of practical applications: construction, landscaping, internal decoration, architecture, engineering, physics, and so on and so forth. Irregularly shaped areas are often divided into several rectangles when one needs to calculate their area, but can't to a precise calculation.

This is how the human body surface area was calculated as well: subject's bodies were covered in stripes of paraffin, which were then removed, sliced and measured. If you'd like to cite this online calculator resource and information as provided on the page, you can use the following citation: Georgiev G. Calculators Converters Randomizers Articles Search.

Area of a Rectangle Calculator Use this calculator to easily calculate the area of a rectangle given its sides length and width in any metric: mm, cm, meters, km, inches, feet, yards, miles Calculation results Rectangle area 12 cm 2.

Share calculator:. Embed this tool! Area of a rectangle formula The formula for the area of a rectangle is width x heightas seen in the figure below: All you need are two measurements and you can calculate its perimeter by hand, or by using our perimeter of a rectangle calculator above.

How to calculate the area of a rectangle?Last Updated: June 28, References. To create this article, 11 people, some anonymous, worked to edit and improve it over time. This article has been viewedtimes. Learn more Finding the surface area of a box is easy as long as you know the length of the sides.

Once you know how long the sides are, you simply have to plug them into a basic equation to get your answer. You can even find the surface area of cylindrical boxes with a few simple measurements. Once you know the area of every side, add them all together to get the surface area of the box. If you want to learn how to break down complex box shapes so you can find the surface area, keep reading the article!

Tips and Warnings. Things You'll Need. Related Articles. Article Summary. Method 1 of Add together the area of each side to get the surface area of the box. Surface area is the total area of each side. Measure the length of the box.

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This is your longest side. There should be 4 identical lines equally long across the whole box.

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Lay the box down on its longest side to make it easier to measure. Measure the height of the box, or the distance from the floor to the top. Make sure you don't measure the same side as the length.Perimeter is 1-dimensional and is measured in linear units such as inches, feet or meters. Area is 2-dimensional: it has a length and a width.

Area is measured in square units such as square inches, square feet or square meters. The formula is:. To find the area of a square, multiply the length of one side by itself. Find the area. In Examples 1 and 2, we found the area given the dimensions of the rectangle. Let's look at some examples in which we are given the area of the rectangle, and are asked to work backwards to find the missing dimension.

How long is one side? What is the length? Given the length and width of a rectangle, we can find the area. Given the area and one dimension of a rectangle, we can find the other dimension. The formula for area of a rectangle is:. A square is a rectangle with 4 equal sides The formula for area of a square is:. Directions: Read each question below. Your answers should be given as whole numbers greater than zero.

Surface Area of Three Dimensional Figures, Composite Solids, and Missing Dimensions Exercises Directions: Read each question below. Find the area of a square with each side measuring 6 inches. A rectangular yard has a length of 12 meters and a width of 4 meters. The area of a square is 25 square centimeters. A rectangular rug has an area of 28 square feet and a length of 7 feet.

What is the width?Use this surface area calculator to easily calculate the surface area of common 3-dimensional bodies like a cube, rectangular box, cylinder, sphere, cone, and triangular prism. Total surface area formulas and explanation below.

### Area of a Rectangle

Depending on the type of body, there are different formulas and different required information you need to calculate surface area a.

Bellow are the formulas for calculating surface area of the most common body types. In all surface area calculations, make sure that all lengths are measured in the same unit, e. The result from our surface area calculator will always be a square of the same unit: square feet, square inches, square meters, square cm, square mm.

The surface area formula for a cube is 6 x side 2as seen in the figure below:. This calculation requires only one measurement, due to the symetricity of the cube. Since a rectangular box or tank has opposite sides which are equal, we calculate each unique side's area, then add them up together, and finally multiply by two to find the total surface area. Visual in the figure below:.

The cylinder surface area is the height times the perimeter of the circle base, plus the areas of the two bases, all added together. Visual on the figure below:. To find the SA simply multiply 4 times 3. The surface area of a cone is one of the most complicated and it is where the need for a calculator becomes more apparent.

You need just two measurements: the diameter of the base and it's height, but the calculus is more involved than most of the other simple bodies. A triangular prism is a stack of triangles, so the usualy triangle solving rules apply when calculating the area of the bases.

If you'd like to cite this online calculator resource and information as provided on the page, you can use the following citation: Georgiev G. Calculators Converters Randomizers Articles Search.

Surface Area Calculator Use this surface area calculator to easily calculate the surface area of common 3-dimensional bodies like a cube, rectangular box, cylinder, sphere, cone, and triangular prism.

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Surface area of. Width 2. Share calculator:. Embed this tool! How to calculate the surface area of a body? Surface area of a cube The surface area formula for a cube is 6 x side 2as seen in the figure below: This calculation requires only one measurement, due to the symetricity of the cube.Volume is simply defined as the space occupied within a container. In this lesson, we will focus on the equations that are helpful to calculate the volume of a box.

Below, you can see how sides are labeled within a box. These are represented as —. However, you can better understand the all three terms by looking at the box diagram given above.

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Look at the box sides carefully and start with one corner. I would recommend you to look at the bottom right corner and name the all three sides as per the logic. The length is the horizontal line when seen through the front of the box.

### Volume of Box Formula | Surface Area, Perimeter, Diagonal of a Box Formula

The height will be the vertical again at the front of the box. And width is the following line that goes from front to back across the two pints of the box. In most of the cases, the box is an enclosed figure either a rectangle or a square. Here, we will discuss some interesting facts about the box and how to calculate the volume and the surface area of a box with the help of mathematical formula. The perimeter is generally defined as the area around its edges. Once you want to calculate the perimeter of a shape then you just need to add up the side lengths and calculate the final output in minutes. You should start with the basics always and concentrate on critical learning in schools and colleges.

If you will understand the basics first then it cannot be applied to complex real-life problems later. So, a depth understanding of basics and formulas will always give a right start for higher education. The square having two diagonals and they are equal to each other. With the help of diagonal formula, you can always calculate the diagonal length quickly.

## How To Find The Surface Area Of A Rectangular Prism

Simply, diagonals are the line joining two non-adjacent vertices of a polygon but it will exclude the edges of a figure. Also, the career of a student will also go ahead with cumulative mathematical education. When simple facts are combined with theory, it will deliver you the sophisticated mathematical knowledge. Connect with us. More Videos. Table of Contents. Related Topics:. Continue Reading. Latest Popular. LCM 2 days ago. Guest Post 5 days ago. Guest Post 7 days ago.

Guest Post 1 week ago. Guest Post 2 weeks ago. Math 8 months ago.Surface Area Formulas In general, the surface area is the sum of all the areas of all the shapes that cover the surface of the object. Since these are all the same, you can multiply one of them by six, so the surface area of a cube is 6 times one of the sides squared.

But we don't have to figure out all six because we know that the top and bottom are the same, the front and back are the same, and the left and right sides are the same. Since there are two of them, you get 2ac. The front and back have side lengths of b and c. Again, there are two of them, so their combined surface area is 2ab.

The surface area is the areas of all the parts needed to cover the can. That's the top, the bottom, and the paper label that wraps around the middle.

You can find the area of the top or the bottom. Since there is both a top and a bottom, that gets multiplied by two. The side is like the label of the can.

If you peel it off and lay it flat it will be a rectangle. The area of a rectangle is the product of the two sides. One side is the height of the can, the other side is the perimeter of the circle, since the label wraps once around the can. Add those two parts together and you have the formula for the surface area of a cylinder. Don't forget the units. These equations will give you correct answers if you keep the units straight.