Millimeter Pro

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Download on Google Play

Product Description

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.

CLEAN: NO PERMISSIONS and NO POP-UP ADS on your screen in the app unlike other free ruler apps on market. Best and real full screen ruler.

Check features or visit to learn more about the app.

You can use any Android phone or tablet, as a ruler for measurement in different units: MILLIMETERS (mm) or INCHES.


– easy calibration of any Android device (Free and Pro)
– metric and Imperial units : mm and inch (Free and Pro)
– 2D measurements: vertical and horizontal rulers (Pro)
– area calculation (Pro)
– ratio calculation (W/H)
– split linear and circular objects into equal parts (Pro)
– circular objects diameter measure (Pro)
– shows length and angle of each part (Pro)
– disable/enable touch screen (Pro)
– Thread pitch gauge for TPI and pitch size measurements (Pro)

– fractions for inch units (Pro)
– option to set exact size and number of parts manually using virtual keyboard input – no sliding(Pro)
– German, Russian, French and Japanese languages. (Pro)

Use this app in different areas to measure small objects that fit your phone or tablet screen : jewelry, rings, stones, screws, bolts, buttons, nuts, knitting needles, knitting pattern, washers, insects, mosaic tile, hooks, pitch size, threads per inch (TPI) as a thread pitch gauge, etc.
measurement range limited by size of your screen and with fine calibration the app gives you accuracy comparable to standard ruler or measure tape.

Enjoy the app and Thank you for your interest and support!
VisTech.Projects Team