hexcalculators-blog

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Area Calculator

How to calculate the area of any shape? Each geometrical figure has a different formula for calculating its area, and different required measurements that need to be known. See below for details on each individual one this area calculator supports, including the formula used. When taking measurements or reading plans, make sure all measurements are in the same units, or convert them to the same unit to get a valid result. The result is always a squared unit, e.g. square centimeters, square kilometers, square inches, square feet, square miles...

Area calculations have applications in construction and home decoration (e.g. paint required), in land management, agriculture, biology, ecology, and many other disciplines.

Area of a square The formula for the area of a square is side2, as seen in the figure below:

area square

This is the simplest figure to calculate as all you need is a single measurement. However, since in most practical situations you need to measure both sides before you know it is a square, it might not be a huge difference, but at least it is easier to calculate.

Area of a rectangle The formula for the area of a rectangle is width x height, as seen in the figure below:

Area Calculator

area rectangle

You need to take two measurements: the width and the height, and just multiply them together. It is one of the easiest figures to compute an area for. Irregular shapes would often be broken down to a series of rectangles so that their area can be approximately calculated.

Area of a triangle The formula for the area of a triangle is height x π x (radius / 2)2, where (radius / 2) is the radius of the base (d = 2 x r), so another way to write it is height x π x radius2. Visual in the figure below:

area triangle

Despite the simplicity of the above equation, in specific situations you may not know these two exact measurements. There are multiple rules to calculate a triangle's area: SSS (side-side-side), SAS (two sides and the included angle), SSA (two sides and a non-included angle), ASA (two angles and the included side). For right-angled triangles you can calculate the area by knowing the hypothenuse and the height towards it. All of these are supported by this online area calculator.

Area of a circle The formula for the area of a circle is 2 x π x radius, but the diameter of the circle is d = 2 x r, so another way to write it is 2 x π x (diameter / 2). Visual on the figure below:

area circle

For the area of a circle you need just its radius. In most practical situations it would be easier to calculate the diameter instead.

Area of a parallelogram The formula for the area of a parallelogram is width x height, as seen in the figure below:

area parallelogram

Through some simple manipulations it can be shown that a parallelogram can be transformed to rectangle for the purpose of area calculation, thus the formula is basically the same, but we use he height of the parallelogram instead of its side.

Area of a trapezoid The formula for the area of a trapezoid is (base 1 + base 2) / 2 x height, as seen in the figure below:

area trapezoid

This is one of the more complex formulas, but still pretty manageable. A trapezoid can be transformed to a rectangle by knowing the length of each base and its height, so these are the minimum required measurements.

Area of an ellipse (oval) The formula for the area of an ellipse is π x major radius x minor radius, as shown on the figure below:

area ellipse

The area of an oval is similar to that of a circle, but since it has two radiuses, is a bit different. Here you can measure the two diameters and divide by two to get the two radiuses.

Area of a sector The formula for the area of a sector is (angle / 360) x π x radius, but the diameter of the circle is d = 2 x r, so another way to write it is (angle / 360) 2 x π x (diameter / 2). Visual on the figure below:

area sector

Since a sector is just a slice from a circle, the formula is quite similar to that for the area of a circle, with the difference needed to calculate what part of the circle the sector covers. While the radius is easy to measure, the angle is not, unless you have a proper tool at hand.

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HEXADECIMAL CALCULATOR

What is Hex? Hex or Hexadecimal number system works similarly to the binary and the decimal systems. The numbers 10 or 2 as a base are not considered, the number 16 as a base is used. Hexadecimal number system considers 16 digits consisting of the number 0 to 9. It also uses the alphabets A, B, C, D, E, and F to denote the numbers from 10 to 15. The idea of the Hexadecimal number system is based on the concept of making the bigger binary number small and easy. Thus, each digit of it signifies 4 binary digits, known as nibbles. It may be surprising for you to know that the numbers 1010101010 can be described as 2AA in this system. In the case of computer systems, the greater binary numbers are reduced so that they can quickly be changed from one system to another.

From Hex to decimal & Hex to Decimal Changing from the decimal system to the hex system or vice versa is related with the multiple number systems having place values. But, the changing of values from hex to decimal or the other way round is like changing the values from decimal to binary or vice versa. Already discussed earlier, the number 16 is used as a base in hex. So, when considering the value 2AA, a power of number 16 is used as place value. The letter ‘A’ is considered as ‘ones’ or 160. The second alphabetical letter which is also "A", from the right-hand side, indicates the value 161. The number 2 is equal to 162. You must know that the alphabet "A" in the hex system is the same as or equal to the number 10 in the decimal system.

hexcalculator

You can convert hex to decimal & decimal to hex using our free converters.

How the addition is done? Hexadecimal number system considers the same concept of the addition of the decimal system. However, the numbers being represented by the alphabetical letters A,B,C,D,E, and F. The addition system in Hex is based on computing the basic addition of decimal at the same time transforming from hex system to decimal system when the values greater than the number 9 is available. Hex addition example is given below:

How the subtraction is done? The system of subtraction in Hex is similar to the process of addition. But, when the borrowing is done in Hex “1” which is borrowed denotes 16decimal and not 10decimal. So, the column from which it has been taken is 16 times more than the column from which it has been borrowed. The conversions and computations of the alphabetical letters A, B, C, D, E, and F are performed properly, the subtraction process is not at all difficult when compared with the decimal subtraction. Hex subtraction example is given below:

Hexadecimal addition calculator can help you in hex addition for a quick calculation.

How the multiplication is done? The multiplication performed in the Hex decimal system can be a bit twisty because when the computations are done from the hex system to the decimal system involve more attention and care because the numbers are of greater value. Hex multiplication example is given below:

How the division is done? The greater calculations in the hex system are similar to the greater calculations of division in decimal. The users can compute to decimal and carry out greater calculations of division in decimal, then it can be computed back again from where it was started. Please, see an example of hex division below:

Hex Calculator Hexadecimal calculator is used for hex addition, hex subtraction, hex multiplication, and hex division without pen and paper. Hex adder calculator is an effcient tool for adding two hex values. Similarly, hex calculator can easily calculate two given values into 4 different calculations i.e., multiplication, division, subtratction, and addition. Hex to binary and binary to hex converter can be used if you want to convert numbers to hex instead of calculating them