How to use this online ruler. For the ruler to display correctly (i.e., in proportion to the actual physical size), it must be calibrated. You can calibrate it in one of the following two ways:
Adjustingthis virtual ruler to actual size . There are some ways to know the pixels per inch(PPI) to your devie. My laptop has a wide screen (13.6"x7.6"), and resolution is 1366x768 pixels, 1366 / 13.6 = 100.44 PPI. Online scale ruler with metric units(cm, m, km) Length Converters. Inches to CM: convert inches(in) to centimeters(cm), or
1 If you know the radius of the circle, double it to get the diameter. The radius is the distance from the center of the circle to its edge. [1] Example. If the radius of the circle is 4 cm, then the
Acircle of radius = 2.25 or diameter = 4.5 or circumference = 14.14 cm has an area of: 1.59 × 10 -9 square kilometers (km²) 0.00159 square meters (m²) 15.9 square centimeters (cm²) 1590 square millimeters (mm²) 6.13902 × 10 -10 Forexample , the area of a circle is calculated by measuring the radius of the circle. Since the side length is measured to be 5 cm, the computed volume is circle actual size; 40mm circle actual size; 1.5 inch circle actual size; 5.
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CircumferenceC = √ 4·π·A = √ 4·π·28.27 = 18.85 (*) (*) 18.85 mm exactly or limited to de precision of this calculator (13 decimal places). Note: for simplicity, the operations above were rounded to 2 decimal places and π was rounded to 3.14. Writtenby: PK. Below is a circumference calculator, which will compute a circle's radius, diameter, and area if you know the circumference. Do you know a different dimension?
1 Click on the "Select Image" button to select an image. 2. Enter a new target size for your image. 3. Click the "Resize Image" button to resize the image.
Thevolume of the waffle cone with a circular base with radius 1.5 in and height 5 in can be computed using the equation below: volume = 1/3 × π × 1.5 2 × 5 = 11.781 in 3. Bea also calculates the volume of the sugar cone and finds that the difference is < 15%, and decides to purchase a sugar cone. HDa4uyv.
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    • 4 cm circle actual size