Length and width of a rectangle. All four angles are right angles (90°).
Length and width of a rectangle. A = length \times width A = length×width Both are fundamental properties of the rectangle, but they serve different purposes in geometry and practical applications. A diagonal is a measure from a vertex to the opposite side, passing through the opposite corner. The sides are labeled L for length and W for width. We know, Area of a rectangle = length × breadth ∴ Length of the rectangle = Area rectangle breadth = 900 Perimeter of a Rectangle Word Problems There are different types of geometry word problems. In this chapter, let us learn about the rectangle Calculate any property of a rectangle, including the area, perimeter, length, width, or diagonals using our rectangle calculator. Each rectangle shape is characterized by two dimensions, its length and width. Length typically refers to the longer dimension, while width refers to the shorter dimension. Dive in and calculate now! Sides of a rectangle The opposite sides of a rectangle are congruent and parallel to each other. The sides of the rectangle, which lie opposite each other, we call the length and width. By simply inputting the length and width, this calculator will almost instantly find the perimeter (P) and the area (A). Determine the length of the diagonal and compute the perimeter and area of rectangles with dimensions presented as algebraic expressions, find 'x' by solving algebraic equations in vertex angles and angles between diagonals too. The perimeter of a rectangle is calculated by adding the lengths of all four sides, while the area is calculated by multiplying the length and width. If you are already familiar with the formula for area -- length times width -- this can be done in just a few steps. It is the product of its 2 adjacent sides, i. Measure those in feet and inches with a tape measure or ruler. Aug 3, 2023 · A rectangle is a 2-dimensional shape having four sides. A rectangle is a quadrilateral with opposite sides equal and all angles equal to 90°. Aug 1, 2025 · Calculate the length and width of a rectangle based on area, perimeter, diagonals or sides. 1. We can find the area of a rectangle by multiplying the length of the rectangle by its width. Length, width, height, depth Outside of the mathematics class, context usually guides our choice of vocabulary: the length of a string, the width of a doorway, the height of a flagpole, the depth of a pool. If interested in calculators for a variety of other shapes, you can look at more of our handy calculators. The diagonal of a rectangle The diagonal of a rectangle is a line segment that connects two opposite corners or vertices of the rectangle. Illustration of a Rectangle Here, sides AB and CD are equal and parallel and are called the lengths of the rectangle. Useful tool for students, architects, designers and professionals working with geometry Learn how to find the area of a rectangle with a step-by-step solution. Calculate square feet, meters, yards and acres for flooring, carpet, or tiling projects. The width of a rectangle is sometimes referred to as the breadth (b). The width of a rectangle calculator can take two dimensions of your rectangle (height, area, diagonal, or perimeter) and work out the width of your rectangle. Jun 8, 2024 · Area The total space enclosed by the rectangle. Explanation Calculation Example: The formula for calculating the length of a rectangle given its area and perimeter is L = (P - 2 * sqrt(A)) / 2, where L is the length, P is the perimeter, and A is the area. Works with imperial and metric units: mm, cm, meters, km, inches, feet, yards, miles, and more. The longer side of the rectangle is known as the length and the shorter side is known as the width. It can be clearly seen that one can choose options such as length and width, length and diagonal etc. Jul 26, 2021 · You will get an idea of the formula in finding the Length L, width B using Area A, Procedure for finding so, etc. Therefore, to find the perimeter, we can use the formula: Perimeter = 2 * (Length User Guide This tool will calculate the area of a rectangle from the dimensions of length and width. Angles of a rectangle A rectangle contains four interior right angles. Finding the missing length or width is easy as long as you have both the measurement of one of the dimensions and the rectangle’s perimeter. Enter two elements of a rectangle and select the element to find. What is a rectangle? How to find the area of a rectangle? Rectangle formulas Rectangle calc: find A (area) Rectangle calc: find P (perimeter) Rectangle calc: find D (diagonal) Golden rectangle Properties of a rectangle Rectangle vs. It also discusses how to calculate the area of the perimeter. A = l×w Note: Sometimes, base and height are used instead of length and width. Easily calculate the area of any rectangle given its sides (length and width). Jul 23, 2025 · A rectangle is an example of 2D shape, so it has only length and width, but a rectangular box or a rectangular prism (cuboid) is 3D shape so that it has all three dimensions: length, width, and height. Let’s unveil these formulas and decode the dimensions of a rectangle. Use the online calculator or the formulas for different scenarios. It plays a crucial role in: Discover how to calculate the area of a rectangle with precision using the versatile Rectangle Area Calculator. The formula for calculating 5 days ago · The length of a rectangle is the length of its longest side, and the width is the length of its shortest side. The area of a rectangle is calculated by multiplying its length by its width: Area = Length × Width This simple formula, when applied correctly, provides the total surface area covered by the rectangle, typically expressed in square Jun 16, 2025 · The Generic Rectangle Calculator allows you to calculate all properties of a rectangle from different input combinations: length and width, area and length, perimeter and length, or diagonal and length. Just plug the area and length of the rectangle into the formula and solve for the width. The term height rather than length is also commonly used alongside the width. Jun 21, 2024 · The length refers to the longer side of the rectangle, while the width refers to the shorter side. But in describing rectangles or brick-shaped objects, the choice of vocabulary seems less clear. This length and width of a rectangle given perimeter calculator will help you to find the unknown side of a rectangle using the perimeter value. , length and width. In this article, we will discuss the area of a rectangle and how we calculate it. (Jump to Area of a Rectangle or Perimeter of a Rectangle). A rectangle is a four-sided flat shape where every angle is a right angle (90°). For example, square centimeters (cm^2), square meters (m^2), square feet (ft^2), square inches (in^2), etc. Dimensions of a 3D rectangle A 3D rectangle has 3 dimensions: length, width, and height (or depth). Aug 27, 2025 · Calculate square footage, square meters, square yardage and acres for home or construction project. We will learn about the formula to calculate the length, width, and area of a rectangle using the coordinate plane. There are many rectangular objects around us. How to calculate square footage for rectangular, round and bordered areas. Calculate the volume of a rectangular shaped box, solid or space from the dimensions of length, width and height, V=LWH This Rectangle Calculator takes length and breadth as inputs, and calculates perimeter, area, and length of diagonal as outputs. Rectangle Calculator. 📏 Rectangle Area Calculator – Find Area with Length and Width The Rectangle Area Calculator is a free online tool that helps you calculate the area of any rectangle by simply entering its length and width. A rectangle is a four-sided closed shape with equal parallel sides – A square is always a rectangle, but a rectangle is not always a square! There are three main parts to a rectangle shape – A rectangle’s length, width, and diagonal are important when calculating different measurements. Find the length and width of a rectangle using the area and perimeter values. This rectangle area and perimeter calculator will calculate the area and perimeter of any rectangle given the length and width measurements. In an XY plane, we can easily represent a rectangle, where the arms of x-axis and y-axis show the length and width of the rectangle, respectively. By entering the necessary dimensions—length and width for rectangles, or side length for squares—the calculator Opposite sides of the rectangle are equal length. So let's dive If we are given the dimensions of the current rectangle and one of the dimensions of the new rectangle (e. The Immutable Core: Length Multiplied by Width At the heart of all rectangular square footage calculations lies an elegantly simple, yet universally powerful, formula: Square Footage = Length × Width This formula isn't arbitrary; it's a direct consequence of how we define area. In this lesson, our focus is on the perimeter of a rectangle in which we’ll find the relationship between the sides of a rectangle, that is, the length and the width. Angles A, B, C and D equal 90° in the rectangle Mar 14, 2024 · A diagonal calculator is a tool designed to make calculating the diagonal lengths of shapes like rectangles and squares simple and efficient. When measuring a rectangle, the length typically runs horizontally, and the width runs vertically when drawn on paper or displayed on a screen. So, we can find the dimensions of a rectangle given the area and perimeter. The formula for that is: Free online Diagonal of a rectangle calculator – Enter the length and width of the rectangle with different length units then click the calculate button. Feb 17, 2023 · One of the recent discussions I showed last week dealt with the meaning of length, and I promised more about that. The grey space is the area of the rectangle in the diagram below. Length and width are fundamental dimensions in geometry and everyday measurements. P e r i m e t e r = (l e n g t h + w i d t h) × 2 is the formula for perimeter. When the length and width of a rectangle are equal, the shape is a special case of a rectangle, called a square. You can also see the step-by-step solutions and graphs for different scenarios. Input any two parameters to calculate the rest. Area formula using the diagonal If the diagonal, d, and Jul 15, 2024 · Popularity: ⭐⭐⭐ Rectangle Dimensions Calculator This calculator provides the calculation of length and width of a rectangle given its area and perimeter. If you visualize a rectangle with a length of 5 feet and a width of 3 feet, you can literally draw 5 rows of 1-foot Area of a Rectangle Formula The area of a rectangle is the amount of space inside the rectangle. The length of a rectangle calculator can take two dimensions of your rectangle (width, area, diagonal, or perimeter) and work out the length of your rectangle. It supports different units such as meters, feet, and inches. Unlock the mystery of calculating the length and width of a rectangle given its perimeter today. Algebra in Rectangles Worksheets Simplify the algebraic expressions to find the length or width of the rectangles. We refer to one side of the rectangle as the length, L L, and the adjacent side as the width, W W. you just need to enter the values and our calculator will do the rest for you. If the area is 40 square inches, what are the dimensions? This calculator will calculate the perimeter of a rectangle given the length of its sides. See the formulas, solutions and conditions for this geometry problem. In a rectangle, opposite sides are equal in length. The final answer must be in square units. Just type into the box and hit the calculate button. Typically, the length is the measure of the longest edge, and the width and height (depth) are the other two edges. e. Use this diagonal of a rectangle calculator and find the answer to the questions: How to find the diagonal of a rectangle? What is the diagonal of a rectangle formula? A rectangle is composed of two sides: length (L) and width (W). If you want to know more about rectangles and how to find their dimensions, please continue to read the below article. Discover the properties of the rectangle, learn and apply in solving rectangle problems involving congruent sides, diagonal length and missing measures with this batch of properties of a rectangle worksheets, recommended for grade 3 to grade 8. The calculator will take care of the conversion of values entered in different units. The opposite sides of a rectangle are the same length. J! Need help with which is length and which is width? You're in the right place!Whether you're just start Shape of Rectangle A rectangle is a two-dimensional flat shape. The calculator uses formulas to solve for area, perimeter, diagonal, length or width and provides step-by-step explanation. The perimeter of a rectangle is the sum of all its sides. In the case of a rectangle, the length typically refers to the longer two edges of the quadrilateral, while the width refers to the shorter of the two edges. Learn more about the length width height of figures, with examples. The length, width and height are the dimensions of a geometrical figure that depict how long, wide and high a figure is. The opposite sides of a rectangle are equal and parallel. The topics enclosed in this section feature ready-to-print charts, finding length or width of the rectangle, finding diagonal and much more. The unit square is a square whose sides measure 1 length unit. Once the measurements for length and width have been entered, along with the preferred units for Learn how to calculate the missing length or width of a rectangle using our Length of a Rectangle Calculator. How to Use the Rectangle Perimeter and Diagonal Calculator Enter the perimeter P and the length L of the diagonal of the rectangle to solve, as positive real numbers, and press "calculate". where “a” is the length of the rectangle, “b” is the width of the rectangle. The length of a rectangle is the longest side, whereas the width is the shortest side. Nov 3, 2020 · Though you cannot determine both the width and length of a rectangle at the same time with just the area, if you know the area and either the length or width, you can find out the measurement of the other side. Also, the sides BC and AD are called A rectangle has four sides and four right angles. Jul 23, 2025 · A rectangle is a quadrilateral with four sides and following properties. Step-by-Step Guide to Using the Rectangle Area Calculator Ready to put the Rectangle Area Calculator to work? Here’s a simple, step-by-step guide that will ensure you’re using it like a pro: [ ] Step 1: Measure Your Rectangle Use a ruler or measuring tape to determine the length and width of your rectangle. Aug 3, 2023 · What is the perimeter of a rectangle - learn how to find it with definition, formulas, solved examples and diagrams Feb 7, 2024 · This rectangle calculator finds the length, width, diagonal, area, perimeter and circumradius of a rectangle. Question: Should we label the two dimensions of a rectangle length and width; or width and Welcome to Length and Width of a Rectangle with Mr. The opposite sides of a rectangle are equal in length and parallel to each other. The equation for calculating the area of a rectangle is as follows: A rectangle has four sides and four right angles. Width Width is the measure of an object from side to side. It's perfect for students, architects, designers, and anyone who needs to quickly find out precise measurements and geometry calculations. . Measuring the Area using Unit Squares But before we delve into the formula, let’s touch quickly on what an The length of a rectangle is 3 more than the width. Perimeter of a rectangle formula. The longer sides of a rectangle are typically referred to as its length while the shorter sides are referred to as its width. We measure it in square units. The perimeter, P P, of the rectangle is the distance around the Free online rectangle calculator – Calculate the area, perimeter, and diagonal of a rectangle with our easy-to-use Rectangle Calculator. When the dimensions of a rectangle change, its area and perimeter are affected. The two main dimensions of a rectangle are length (L) and width (W). Here we will look at some older questions about the ambiguity of words like length, width, depth, and height. Enter the area and perimeter of a rectangle and get the length, width and diagonal of the rectangle. What is a Rectangle Area Calculator? A rectangle area calculator is an online tool that helps users compute the area of a rectangle based on its length and width. Know the perimeter of the rectangle. Enter measurements in US or metric units. The area of a rectangle is the length times the width: \ (A=LW\). What is Rectangle? A rectangle is a closed 2-D shape, having 4 sides, 4 corners, and 4 right angles (90°). Simply enter the rectangle's width and length, then click the calculate button. How to Calculate the Area of a Rectangle If you need to find the area and perimeter of a rectangle, this calculator is the handy tool you will need. Find the width and length of a rectangle given its area or perimeter using this online tool. Substituting the given values into the formula, we get: 96 = 2 (x + 2) + 2 x Solving this equation will give us the values of x and x + 2, which represent the width and Dimensions of a Rectangle from Coordinates In this lesson, we will explore the concept of finding the dimensions of a rectangle based on its coordinates. This can lead to some confusion because all of these are measures of "length" while also using the term "length" to describe one Oct 23, 2023 · Length Width Height – Definition, Formula, Solved Examples Length, width, and height are dimensions that define a 3D shape. Learn about the definition, formula, and solved examples of length, width, and height. Is length the longest dimension? Our first question is from 1999: What is Length in a Rectangle? According to the Webster's Ninth Collegiate Dictionary, length means "the If you're wondering how to find dimensions of a rectangle given area and perimeter, do not fret — our dimensions of a rectangle calculator helps you find the dimensions of a rectangle right away. Simply enter the length and width of the rectangle and get instant results What is a rectangle? The rectangle is a basic shape with four straight sides and four right angles. The outputs are the dimensions, length x and width y, of the rectangle. We refer to one side of the rectangle as the length, [latex]L [/latex], and the adjacent side as the width, [latex]W [/latex]. Solving the above two equations, we will get the length and breadth of the rectangle. A rectangle has four sides, and four right angles. Since, a rectangle is a 2-D shape, it is characterized by two dimensions, length, and width. Their relationship is crucial for calculating area, perimeter, and understanding proportions in various applications like architecture and design. The formula is given below: Area (A) = w × l, here w = width, l = length Problem: Finding the area of a rectangle when the WIDTH and LENGTH are known Find the area of a rectangle whose width is 10 cm and length is 6 cm. The formula for finding the perimeter of a rectangle is: P = 2 a + 2 b P = 2a + 2b where P is the perimeter, a is the length of the How the area of a rectangle is calculated using an online calculator? Below is a sneak peek of some of the options that are available in our rectangle area calculator. This video explains how to find the length and width of a rectangle given the perimeter. The perimeter of a rectangle is given by the formula P = 2 l + 2 w, where l is the length and w is the width. Try our Area of a rectangle The area of a rectangle is the space contained within its perimeter. What is a Rectangle Calculator? Definition: This calculator computes the area, perimeter, and diagonal of a rectangle using its length (l) and width (w). The Perimeter-Width Relationship The first step in finding the length and width of a rectangle given the perimeter is to understand the relationship between the perimeter and the width of the rectangle. Find the area, length, width, diagonal and perimeter of a Rectangle with our free to use calculator. Our area of rectangle calculator supports input in different metrics: inches, feet, yards, centimeters, millimeters, meters, etc. But some people incorrectly assume the LENGTH of a rectangle is always going to be the HORIZONTAL side. Rectangle Calculator Enter any 2 of width, height, area, diagonal or perimeter. Learn more about rectangle properties here. What is the Area of Rectangle The area of a rectangle is defined as the total region covered by it. Don't worry if they come in different units - the calculator will do the length conversion. From there, you can calculate area or perimeter. Remember, the length is the longer side, and the width is the shorter side (but don The perimeter of a rectangle is the sum of the length and width multiplied by “2”. With three dependable methods explained, discover how to use the perimeter, diagonal, or area alongside one known dimension for precise measurements. explained clearly. Final The area of a rectangle is the number of unit squares it takes to cover a rectangle. Automatically determines area, perimeter, diagonal, aspect ratio and identifies if it's a square. This calculator will calculate the square footage of a rectangle given the length of its sides. Formulas The formula to find the area of a rectangle is Unleash your inner mathematician with our simple and quick rectangle width calculator. Students might forget to include all four sides or confuse the length and width when performing these calculations. The area of a rectangle is calculated by multiplying the length of the rectangle by the width of the rectangle. Type the area and perimeter values into the calculator. Whether you're working on a home improvement project, solving a math problem, or planning a garden layout, this calculator provides quick and accurate results with step-by-step In the same way, understanding length and width helps us make accurate calculations related to rectangles. The longer side is typically referred to as the length. Perimeter of Rectangle: Why is it Relevant? The perimeter of a rectangle, in layman's terms, is the total distance around its edges. Easy methods explained for beginners and pros. Formulas and examples are also given. Let's denote the width of the rectangle as x and the length as x + 2 (since they are consecutive odd integers). , the new width), we can use substitution to derive an equation for the new length: new length = (new width/current width) × current length Another option is to scale with the area of a rectangle. Enter the numbers and click "Calculate" to get the results or use the formula and examples to solve the problem manually. The use of this calculator will not only ease Free Rectangle Area & Perimeter Calculator - calculate area & perimeter of a rectangle step by step Sep 6, 2025 · Learn how to calculate the area of a rectangle in Python with simple examples, user input, and functions. Apr 2, 2025 · The perimeter of a rectangle is the sum of twice the length and twice the width: \ (P=2L+2W\). Before you use this calculator, you should understand what a golden rectangle is, how to calculate ratios in general, and the formula for the golden ratio. Jun 11, 2025 · A rectangle has two equal lengths and two equal widths. We will also discuss how this concept relates to the properties of rectangles and their real-world applications. Area formula of a rectangle The area, A, of a rectangle is the product of its length, l, and width, w. To find the missing length, all we have to do is use the perimeter of a rectangle formula, substitute P P with 1 5 4 154 and W W with 2 5 25, then solve for L L. Is a square a rectangle? Weird fun fact: what's the most rectangular shaped country in the world? Use this rectangle calculator to quickly find length, width, perimeter, area, and diagonal. Part 2: Finding the Dimensions: The Formula Unveiled Finding the dimensions of a rectangle isn’t just about numbers – it’s a matter of applying the right formulas. This can be done efficiently by simply adding the length and the width, and then multiplying this sum by two since there are two of each side length. g. The two most recently changed values are used, the other three are calculated live. What is width In geometry, the width is the shortest side of a rectangle. Quick, simple, and precise! Length and width are both measurements of an object's size. But you can stick Calculate rectangle area instantly with our free calculator. This diagonal of a rectangle calculator quickly finds the diagonal & other parameters of a rectangle by entering the width and height using Pythagoras formula. Cylinder A cylinder is a 3D shape made up of two parallel circular bases a fixed distance apart that are joined by a curved surface: The golden rectangle calculator will calculate the length of either side and the area of the golden rectangle, provided you give the other side. Follow simple equations to calculate the perimeter and area of a rectangle – It’s not too hard to Rectangle calculator, formula, work with steps, step by step calculation, real world and practice problems to learn how to find the area, perimeter & diagonal length of a rectangle in inches, feet, meters, centimeters and millimeters. May 21, 2025 · To find the width of a rectangle, use the formula: area = length × width. Apr 24, 2011 · To find the dimensions of a rectangle, you will start with a few measurements and choose the correct equations to plug them into. In order to find the perimeter, or distance around the rectangle, we need to add up all four side lengths. Perfect for geometry and construction projects. See the image below. Rectangle Calculator This is a free online tool for calculating the area, diagonal, perimeter, width, length of a rectangle. This rectangular calculator can help you calculate the area, perimeter, diagonal, length or width of a rectangle if you know the required dimensions. Answer the Questions on finding Length, Width given the Area of a Rectangle and enhance your problem-solving ability on the concept. In a rectangle, for example, the length is the longer side, and the width is the shorter side. No manual conversion is necessary for length, width and area units, which can all be selected independently. Rectangle area calculator helps to find the area, length, width, diagonal & perimeter. All four angles are right angles (90°). Take a look at the rectangular box dimensions. Enter length and width to get precise area measurements in square units. Perimeter of a rectangle calculator online - easily calculate the perimeter of any rectangle, given its length and width. To determine the length and width of a rectangle, you need to: Know the area of the rectangle. Rectangle A rectangle is a quadrilateral in which all the angles are equal and the opposite sides are equal and parallel. One of the most common involves the perimeter which is the distance around the outside of a two-dimensional geometric shape. Learn three different methods, from length and width to perimeter and diagonal, and conquer geometry with ease. Area rectangle = b h It follows from this formula that base = Area rectangle height height = Area rectangle base Example: Find the length of the rectangle whose breadth is 25 mm and the area is 900 mm 2. (Impossible results are marked by "?"). Apr 28, 2022 · Therefore, with a 2-dimensional rectangle, when the sides are not labeled, and no other instructions are given, the LENGTH of the figure is ALWAYS going to be the LONGEST side, while the width is the shorter side. Calculate project cost based on price per square foot, square yard or square meter. A rectangle is a two-dimensional flat shape. other shapes. Increasing the length or width increases the area and perimeter, while decreasing them reduces these values. These dimensions give us a clear understanding of the size and proportion of the rectangle. Length is the longer side of the rectangle and width is the shorter side. mw5o rhktw1e ov pqd4q kpz xahw o1dj obh0 itbp leej