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2013-3-26 · Cosmology Calculator I Ned Wright, UCLA This calculator allows one to input user-selected values of the Hubble constant, Omega(matter), Omega(vacuum) and the redshift z, and returns the current age of the Universe, the age, the co-moving radial distance (and volume) and the angular-size distance at the specified redshift, as well as the scale (kpc/arcsec) and the luminosity distance.

2020-9-30 · spur gear calculator - module and dp versions These calculators will give you results for a simple two gear train. The first calculator is for a metric gear train and the second for an imperial gear train.

Click on the "Calculate" button for the returned calculated value of the dimeter, thus proving it. The default values are those used by Chinese math major, Tsu Ch'ung-Chi in his 500AD calculations. The formula for determining the diameter of a given circle is the circumference divided by PI.

2019-1-11 · This diameter of a sphere calculator will figure out the diameter of any sphere given the radius, the circumference, the surface area, or the volume of the sphere. Terminology "Sphere" - A three dimensional object contained by a surface that has all points at the same distance from the center.

With pipe diameter calculator pipe internal diameter is calculated using the simple relation between flow rate, velocity and cross-section area (Q=v·A). To calculate internal pipe diameter, you should only enter flow rate and velocity in corresponding fields in the calculator and click calculate button to get results.

2021-8-2 · Enter the engine’s RPM and cylinder size into the calculator to determine the exhaust diameter. Piston Speed Calculator (mean) HP to Torque Calculator; Boost to HP Calculator; Exhaust Diameter Formula. The following is the exhaust diameter formula: D = SQRT ( RPM * 3.14159 * C / 88,200) Where D is the exhaust diameter

2021-7-12 · Diameter Calculator is a free online tool that displays the diameter of the circle when the circumference is given. BYJU’S online diameter calculator tool makes the calculation faster, and it displays the diameter in a fraction of seconds.

Calculator for Inside Diameter of Roll of Material Calculates the inside diameter (diameter of the hole in the center or the tube on which the material is wound) when the rolled length of the material, thickness of the material, and the outside diameter are given.

Circumference to Diameter Calculator. This circumference to diameter calculator is used to find the diameter of a circle given its circumference. Just enter the value of the circumference. Then tap or click the Calculate button. Get the result. You can also select units of measure for both input data and results. The diameter …

This free circle calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, using various common units of measurement. Learn more about pi, or explore hundreds of other calculators addressing finance, math, fitness, health, and more.

Free Circle Diameter calculator - Calculate circle diameter given equation step-by-step This website uses cookies to ensure you get the best experience. By using this website, you agree to our Cookie Policy.

The Tire Diameter Calculator will instantly calculate the diameter of a tire if you enter in the tire width (in millimeters), the tire aspect ratio (also known as the tire series), and the wheel size (in inches). It is generally recommended that when you want to change the size of the tires on your vehicle that you stay within approximately 3% ...

2018-7-6 · Guitar String Diameter Calculator . Creating Your Own Custom String Sets: With custom string sizes, you can easily tune your guitar to non-standard tunings and/or alter the loudness of the sound coming from each string (to eliminate, or create, imbalance from string to string). This calculator helps you select an appropriate string diameter.

2021-3-11 · We used the calculator to determine the diameter of the chain sprockets to check clearance issues when building the vacuum pump / jackshaft assembly pictured above. We also have a Chain Length Calculator which calculates the number of chain links required between two known sprockets. We use Sprocket Specialists for all our sprockets and have ...

Calculator for Outside Diameter of Roll of Material with Number of Turns Calculation Calculates the outside diameter of a roll of material when the rolled length of the material, thickness of the material, and diameter of the hole in the center or the tube on which …

This calculator allows you to estimate the minimum value of the inner diameter of the pipe at a given velocity of the medium and the capacity of the pipeline. The basic formula: d = √ [ (4 × Q) / (V × π)], where Q – flow rate, V – water velocity. The optimum water velocity in the pipe is from 0.6 m/s to 1.5 m/s (2-5 ft/s), the maximum ...

How To Measure DBH (Diameter At Breast Height Calculator): Get a soft measuring tape you can wrap around your tree. Wrap the measuring tape around the tree at breast height (4.5 Feet Above The Ground). You just measured your trees circumference. Plug your tree’s circumference into the calculator …

2021-2-26 · Hydraulic diameter for annular flow. The Hydraulic Diameter in annular flow is calculated thanks to the following equation : D H =2.R. (1-K) R=Outside diameter of the tube (m) K=R inside /R. R inside =Inside diameter of the tube (m) 4. Hydraulic Diameter Excel Calculator.

Rewind Diameter. Rewind Length (L) m. (1 - 60000000m) Material Thickness (T) m. (0.1 - 6000 m) Core Diameter (d) mm.

2020-6-15 · Example values for above Single Mode fiber diameter calculator: INPUTS : V-number = 2.405, λ = 1550 nm, NA = 0.12 OUTPUTS: 9.888 µm Single Mode fiber diameter formula or equation. Following equation or formula is used for Single Mode fiber diameter calculator.

Evaluate diameter to Circumference: The above diameter to circumference calculator will directly turn values from diameter to the equivalent circumference value. And, if you want to do it yourself, then swipe down! Circumference is related to diameter, so all you need to use that ratio to a missing parameter.

2020-4-4 · Using the Diameter Calculator You can enter the diameter and then compute radius and circumference in mils, inches, feet, yards, miles, millimeters, centimeters, meters and kilometers . Compute the area using these units: square mils, square inches, square feet, square yards, square miles, acres, hectares, square millimeters, square centimeters, square meters, and square kilometers .

Since in practical situations it is easier to measure the diameter (of a tube, a round steel bar, a cable, etc.) than it is to measure the radius, and on most technical schemes it is the diameter which is given, our cylinder volume calculator accepts the diameter as an input. If …

Pipe Internal Diameter Calculator Internal diameter is calculated using nominal outside diameter and wall thickness as per ANSI B36.10: 1970 and BS 1600: Part 2: 1970. Nominal pipe outside diameter.

2021-8-2 · The following is the exhaust diameter formula: D = SQRT (RPM * 3.14159 * C / 88,200) Where D is the exhaust diameter RPM is the maximum rotations per minute

2019-11-25 · This calculator computes the mode-field diameter of the fundamental mode in a step-index fiber using Marcuse's equation: M F D = 2 a ( 0. 6 5 + 1. 6 1 9 V 3 / 2 + 2. 8 7 9 V 6) MFD = 2a\left (0.65 + \dfrac {1.619} {V^ {3/2}} + \dfrac {2.879} {V^6}\right) M F D …

2019-11-25 · About this calculator. This calculator computes the 1 / e 2 1/e^2 1 / e 2 spot diameter of a collimated Gaussian beam whose wavelength is λ \lambda λ and diameter at lens D D D when it is focused with a lens having a focal length f f f. Additionally, the beam quality parameter M 2 M^2 M 2 can be specified if the beam deviates from an ideal ...

2021-8-1 · Sphere diameter to volume calculator; Sphere diameter to surface area calculator; User Guide. This tool will calculate the area of a circle from the diameter, and will convert different measurement units for diameter and area. Formula. The formula used to calculate circle area is: A = π x (ø/ 2) 2. Symbols. A = Circle area; π = Pi = 3.14159 ...

2020-10-13 · You can find diameter of a circle by multiplying the radius of a circle by two: Diameter = 2 * Radius. Area of a circle radius. The radius of a circle calculator uses the following area of a circle formula: Area of a circle = π * r 2. Area of a circle diameter. The diameter of a circle calculator uses the following equation: Area of a circle = π * (d/2) 2

For a Gaussian beam (as opposed to a homogemeous beam), the "Aperture diameter" is the 1/e² diameter, and a large lens size is assumed. For a truncated beam, the appropriate spot size ratio should be applied (see the relevant calc, e.g. 1.12 for truncation at the 1/e² diameter).

2021-5-6 · Finally, you can find the diameter - it is simply double the radius: D = 2 * R = 2 * 14 = 28 cm. Use our circumference calculator to find the radius when you only have the circumference or area of a circle.

2020-6-10 · This ultra calculator is special by allowing you to choose among a great variety of units (6 for diameter and 24 each for velocity and flow rate). Unlike other calculators, you are NOT confined to inputting diameter in inches, velocity in miles per hour, etc. making this calculator quite versatile.

The formulae to calculate the diameter are Diameter = 2 * Radius = Circumference / π = 2√Area/π. The other way to calculate the diameter is to draw a horizontal line inside the circle from one edge to other, name those points as A, B. Draw two overlapping circles using A, B as centre, and draw a vertical line through two points at which the outer circle intersect.