Area of loop calculator

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# Area of loop calculator

Click to reload page with unique web address for bookmarking or sharing current settings. Use this calculator to determine the pressure generated by a force acting over a surface that is in direct contact with the applied load. A conversion scale of incremental vales of force and pressure connected with the selected parameters will also be shown.

## Area Between Curves Calculator

This is the force generated by a load acting on a surface and can be specified in any of the force measurement units available from the drop down selection box. This is the contact surface area which the force is directly applied to, and can be specified in any area measurement unit available from the pull down selection choices.

This is the resulting pressure generated by the specified force and area and is calculated by dividing the force by the area.

Select force unit dynes dyn grams force gf, pond poundals pdl ounces force ozf newtons N pounds force lbf kilograms force kgf kilonewtons kN tons force tonf, short, usa tonnes force tf, metric tons force tonf, long, uk.Full-wave loop antennas can be large at lower frequencies, but they are quieter than dipoles and have more gain broadside to the plane of the loop. A circular loop is ideal, but squares, triangles, and other shapes can work well; just make the area enclosed by the loop as big as you can.

You can use a full-wave loop on frequencies higher than design frequency as well for example, using a 7 MHz loop on 21 MHzbut the pattern will be different.

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Full-wave loop fed with an impedance-matching transfromer made from a quarter-wave section of ohm coaxial cable. The calculated length is approximate. In practice it's best to make the antenna a little longer than the calculated value and then trim it to get the best SWR value.

The feedpoint impedance at the design frequency is about ohms, so full wave loops are often fed with an impedance-matching section made from a piece of ohm coxial cable one quarter wavelength long shortened to compensate for the velocity factor of the cable. The formulas for calculating the approximate length of a full-wave loop antenna are:. The formulas for calculating the length of an impedance matching section are:. The velocity factor for polyethylene coax is usually 0.

For foam-dielectric cable, it's usually 0. The antenna can be connected by other means, of course, including parallel-conductor lines, which work best when using the antenna on multiple bands.

Full-Wave Loop Antenna Length Calculator Full-wave loop antennas can be large at lower frequencies, but they are quieter than dipoles and have more gain broadside to the plane of the loop. Full-wave loop fed with an impedance-matching transfromer made from a quarter-wave section of ohm coaxial cable To use the calculator, enter the desired operating frequency in megahertz.

Frequency in MHz: Length of full-wave loop: The calculated length is approximate. Feedpoint impedance and coaxial matching section The feedpoint impedance at the design frequency is about ohms, so full wave loops are often fed with an impedance-matching section made from a piece of ohm coxial cable one quarter wavelength long shortened to compensate for the velocity factor of the cable.

Length of an impedance-matching section with ohm cable with a velocity factor of 0. Check out the recommended reading list. Small Transmitting Loop Antennas. Full-Wave Loop Antennas. Quarter-Wave Vertical Antennas. Coil-Shortened Vertical Antennas. Dipole Antenna Length. Coil-Shortened Dipole Antenna. Coil Inductance. Toroid Coil Winding. Capacitance Capacitor Design. Capacitive Reactance Xc. Inductive Reactance XL.

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Conic Sections Trigonometry. Conic Sections. Matrices Vectors. Chemical Reactions Chemical Properties.

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Area Between Curves Calculator Find area between functions step-by-step. Correct Answer :. Let's Try Again :. Try to further simplify. Math can be an intimidating subject. Each new topic we learn has symbols and problems we have never seen. The unknowing Learning math takes practice, lots of practice. Just like running, it takes practice and dedication.

Visual on the figure below:. The formula above is the one used in our area of a circle calculator. Calculation is easy once you have measured the circle's radius or diameter, or if you know it from plans and schematics: just plug the numbers into the formulas above use our area of a circle calculator above.

If you are measuring it by hand, remember that the diameter is the largest measurement you can get from a circle. Task 1: Given the radius of a cricle, find its area. Task 2: Find the area of a circle given its diameter is 12 cm. Circle geometry has a wide array of practical uses.

Circles are used when planning athletic tracks, recreational areas, buildings, and roundabouts, so knowing their area is important in construction, landscaping, etc.

The famous Ferris-wheel attraction is a circle, as are the wheels on your car or bike. Circle-like parts, e. The invention of the wheel was one of the transforming events in early human history, as it dramatically reduced the energy expended in moving stuff around and made travelling easier.

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. Circle radius.

Calculation results Circle area Share calculator:. Embed this tool! How to calculate the area of a circle? Example: find the area of a circle Task 1: Given the radius of a cricle, find its area. Practical application Circle geometry has a wide array of practical uses.Use this square footage calculator to easily calculate the area of a rectangular room or a room with a more complex shape.

Optional price field for calculating dollar costs. Formulas and explanation below. Square footage is a measurement of the area of a room or other type of space expressed in feet square ft 2.

While each geometrical figure has a different formula for calculating its area, most rooms have an approximately rectangular shape. Therefore, if you can measure the width and length of the room, you can easily calculate the square footage by simply multiplying the two measurements.

The formula for the area of a rectangular room is width x lengthas shown in the figure below:. This is the equation used in our square footage calculator as well. Note that if you measure the room in inches, the result will be in square inches. If you measure it in yards, it will be in square yards, and so on with metric units such as centimeters and meters results in sq cm and sq m respectively.

A rectangle room is one of the simplest types of area shapes for which square footage can be calculated. A square room will be even simpler since the length is equal to the width. For example, a 10x10 room is sq ft 10 2a 15x15 room is sq ft 15 2while a 20x20 room is sq ft 20 2. However perfectly square spaces are rarely encountered outside of classroom tasks.

In the real world most rooms deviate from a rectangle to an extent. There might be nooks or crannies, as well as protrusions, which if small, can be overlooked for simplicity since rounding and other considerations taken into account in a construction or internal decoration project usually have fairly large tolerances.

However, it is common for a room to consist of two usually differently sized rectangles as shown in the figure below:. If that is the case, then you need to take not two, but four measurements to figure out the square footage : the width and the height of the first rectangular section and then the width and the height of the second rectangular section of the room.

The total area in square feet or another unit is just the sum of the areas of the two rectangles and you can calculate it easily using our tool. If a room has a significantly irregular shape, then you would need to break it down into a series of rectangles, so that their square footage can be calculated approximately.

The overall room square footage is then the sum of the smaller sections it was decomposed into. You can use this calculator to compute each room's square footage and our summation calculator to calculate their sum. Now that we know how to calculate the square footage, we can turn to calculating the total price for a decoration or construction project.

If you are laying down flooring, heating, tiling, gravel, mulch, etc. To arrive at the total cost, all you need to do is to know the price per square foot or the square unit of your choice and to then multiply it by the number of area units. Say you have a complex-shaped room composed of a 10x10 area adjacent to a 12x24 area. Such computations are handled by our calculator as well.

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. Room shape. Simple Rectangle Compound Shape. Room Width. Room Length.

Section 2 Width. Section 2 Length. Price per unit square. Share calculator:. Embed this tool!

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Related calculators Area Calculator Area Converter. How to calculate square footage Square footage is a measurement of the area of a room or other type of space expressed in feet square ft 2.Enter an address or zoom into the map then click on the starting point of your shape.

Continue to click along the outside edge of the shape you want to calculate the area of.

Finding Areas in Polar Coordinates

As you add points the area will be updated below and converted into acres, square feet, meter, kilometers and miles. It will also show the perimeter of the shape. This tool is useful for finding the approximate acreage or a tract of land, the square footage of a roof, or any other instance where you need a good estimate of the area of something.

If you would like this tool on your website use our area calculator embed tool or contact us for details. To return to this area map use the link provided at the bottom of the page. The easiest way to measure the acreage of a plot of land is to start by entering an address that is associated with the plot of land you need the area of.

### Antenna Theory - Loop

In rural areas where an address may not be available, you can enter the cross street or even the GPS coordinate of a point on the land. For GPS coordinates be sure to enter the latitude followed a comma then the longitude ex.

In any case this will place a marker that you can use as a reference point to draw the area on the map. Once you are finished drawing the area calculator will display the area of the shape above the map. How to use the google maps area calculator tool to measure a roof Special precautions must be taken when measuring the area of a roof. The images that appear on google maps are often at a slight angle, which combined with the angle of a roof can cause errors.

For this reason it is best to outline the roof at points which are all at the same elevation. On a simple house for instance you would only click on the corners of the roof and not on any points along the peak as that would cause an error. After measuring the area of the footprint you can estimate the actual roof area based on the angle of the roof. Similarly if you using the area calculator tool to measure a roof with multiple levels, you should do the individual section separately.

Do not rely on this tool as your only resource in making important decisions. Measure perimeter We now also include the perimeter of the shape that you draw along with the area.

This can help you to measure the the edge of a lawn, or the length of a fence. Toggle navigation Map Developers.