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What is a real-life ruler

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Quick Answer

A real-life ruler is an online or mobile app that takes actual-size measurements because it���s calibrated as a real, physical ruler. An actual-sized ruler is calibrated in inches and metric units (centimeter and millimeter). To measure an object, a user places it on the screen and touches its corner.

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Full Answer

Also called ���Smart Ruler,��� the tool may support engineering scales, horizontal and vertical dimensions, caliper mode and surface level. If using a desktop, a user may have to click on the ruler image and follow a procedure that will have it adjusted to match the screen size of his device for accurate measurement.

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