![]() Accordingly, to the best possible, the reliability of the indications of the uncalibrated online ruler will differ from the standard. Depending on the type and class of device, the probable error varies in a range of up to several centimeters, or 1 inch. This circumstance is caused by the existing constraint imposed by the specifics of the interaction of modern web browsers (none of which has the functionality of providing web applications with access to information about the display’s physical parameters) with operating systems. In most practical cases, this calculated value does not correspond to the real extent and is instead proposed for consideration as an approximate one for consideration purposes. The diagonal of the current device's display, automatically detected by the browser, is. This presents many of the most common options among users. You can also select the size from the drop-down list (which opens when you click the button ▾, which is adjacent to the numeric input field). ![]() Then click the ↹ Calibrate or press the button ↵ Enter on the keyboard. Enter this value in the input field located in the lower left corner of the ruler image. Specify the size of the diagonal of your screen in inches ("). You can calibrate it in one of the following two ways: □ How to use this online rulerįor the ruler to display correctly (i.e., in proportion to the actual physical size), it must be calibrated. The maximum length of the ruler (fully visible when displayed on a sufficient screen) is 20 inches, or 50 centimeters (500 millimeters) for the metric scale option. This online app works on both computers with a large screen (laptops, PCs, monoblocks or smart TVs) and mobile gadgets (phones, phablets, tablets, e-ink readers). You can make the necessary measurements on any device that allows you to browse the web. If you are interested to help this, please visit this translation page.If you want to measure the actual size of a small object in inches or centimeters and you don’t have a real ruler at hand, this virtual on-screen online ruler will help you. We are looking for volunteer to improve the content in your native language, We hope to provide a more user-friendly experience,Īre you willing to offer a native language version for your country ? ![]() I know many people prefer use their native language, The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. For example, a scale of 1:5 means 1 on the map represents the size of 5 in the real world. It is used in maps to represent the actual figures in smaller units. Scale is the ratio that defines the relation between the actual figure and its model. In math, the term scale is used to represent the relationship between a measurement on a model and the corresponding measurement on the actual object. It helps us calculate the scale ratio more easily. If you want to know the scale factor(ratio) between two lengths, On the building plan the width of the front door is 18.6 mm.įirst, we convert the unit from millimeter to centimeter. Then divide the scale factor of scale length, for example Use real length multiply the scale factor of it, Enter the number of scale length, the real length will be calculated automatically.Enter the number of real length, the scale length will be calculated automatically.Using different units will automatically convert the result. ![]() Support multiple unit coversions, such as mm, cm, meter, km, inches, feet, yards, miles, nautical miles.Select the unit of real length and scale length.With visual graphic and formula, it let us more easily understand the calculation process and the result. Scale ratio could be set by yourself, supports different length units, including imperial units and metric units. This is an online scale length converter that calculates the actual length and the scale length according to the scale ratio,
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