Millimeter is a screen ruler app. It uses full screen of Android device for distance and length measurements as caliper or tape measure. Place an object on the scale paper screen and simply touch and move rulers to measure it. Check features for more details. Pro version measures area, circle, radius and diameter, angles, ratio and splits into equal parts.
NO POP-UP ADS on your screen in the app unlike other free ruler apps on market. Best and real full screen ruler.
☛ ANY DEVICE can be calibrated for accurate measurements in Calibration Mode, where common standard objects (coins, credit cards, etc) can be used as a reference.
More about app: goo.gl/aF9L9Q
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