After that multiply the size of folded string by 2^N, where N - how many times you fold the string. After that fold string to made it measurable with online ruler.
#Virtual ruler for computer screen how to#
How to measure waist circumference online? Centimeters and millimeters are part of Metric System. Smaller not numbered marks corresponds to millimeters. Numbers on scale corresponds to centimeters. If measured size is 2.61 then the ruler is correct. You googling "100 dollar note size", finding that it is 2.61 inches wide and then measuring it with the ruler. For example, you have 100 hundred dollar bill. In your pocket like A4 paper, credit card, iPhone, banknote, etc.
You could ensure that the ruler on the screen is in actual size by measuring some "standard" object you have How could I be sure that ruler is correct? Learning to identifying your device, so each time you specifying correct size you are making our Ruler smarter. are trying to detect size of your screen and then shows ruler in actual size. Red is the default, but you can easily change this if that color conflicts with the color of the screen.Frequently asked questions How does Online Ruler works? And the final setting for Line color determines the color of the measurement lines.
The setting for Draw feet on cross adds "feet" to the cross lines, so you can better see them. For example, Microsoft recommends increasing this value if you need to measure gradients or shadows. The setting for Pixel tolerance for edge detection can help you more accurately measure certain elements on the screen. The setting for Per color channel edge detection checks if all the color channels are within a tolerance distance from each other. However, if you're trying to measure a moving object, such as an animated GIF, or you need to take a screenshot of the measurement, then turn off this switch. For most results, you'll want to keep this switch turned on. The first setting here for Capture screen continuously during measuring determines whether the tool continuously measures the screen or takes a single snapshot. Next, scroll down to the section for Behavior.
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