If you are interested to help this, please visit this translation page. You can then draw the line to the desired measurement using the scale ruler. When you are drawing a plan, you select the scale you intend to use by turning the ruler to the appropriate side.

Using a scale rule is pretty easy when you know how. We are looking for volunteer to improve the content in your native language, Scale rules have varying numbers of scales on them, depending on their intended use. 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. Convert Centimeter to Nanometer : millimeter and centimeter converter, convert millimeter to centimeter, or centimeter to millimeter.This is an online scale length converter that calculates the actual length and the scale length according to the scale ratio,.Convert Yards to Meters : yards and meter converter, convert yards to meters, or meters to yards.Convert Meters to Feet : convert meters to feet and inches, or convert feet and inches to meters.Convert Centimeter or Millimeter to Inches : convert millimeter to inches, centimeter to inches, inches to centimeter or millimeter, include convert decimal inch to fractional inch (for example 1.45' = 1 7/16').We record editor's information to reduce abuse. When you finished the editing, click 'Save' button. My mobile phones (Sony Xperia C5, OPPO R11 Plus) are both 122.6,Īpple iPhone 5 is 163, iPhone 7 is 162, iPhone X is 151.7Ĭlick 'Translation Page' button below to open the translation page,įollow the English guide, fill in the appropriate English UNITED STATES description, My Asus laptop is 100.7, Apple MacBook Air is 127.7, Xiaomi Mi Pad 3 is 163, Each device has their own pixels per inch on screen,.The most accurate way, after i measure the size of virtual ruler by an actual ruler, i found the markings are not very accurate at 30cm, so i adjust the default pixels per inch to 100.7, now i get an online actual size ruler.When you know the width, you can calibrate the ruler setting via adjuster. Check your wallet, use any paper money to be our compare object, then search 'the width of your paper money' online,.

Search 'display by pixel density' online, i am lucky and found my screen has 100 pixels per inch.My laptop has a wide mom, size 13.6x7.6 inches, and resolution is 1366x768 pixels, we can calculate this, 1366 divided by 13.6 is 100.44, so the pixels per inch is 100.44.There are some ways to know the pixels per inch to your device.

Life size ruler object