Millimeter - screen ruler app

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Millimeter - screen ruler app

by: vistech.projects | 8 752

8 Users



Millimeter ruler is a simple, full screen and helpful measurement on-screen tool that allows you to use your Android device screen for quick measurements as a ruler, 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.

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

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)
- split linear and circular objects into equal parts (Pro) ( thread pitch gauge for TPI measurements)
- shows length and angle of each part (Pro)
- disable/enable touch screen (Pro)
- ratio calculation (W/H)(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
- option to set exact size and number of parts manually - no sliding (Pro)
- German, Russian, Japanese and French languages.

*Pro: check out our Pro version for extra features.

Use this screen ruler in different areas to measure small objects that fit into your phone or tablet screen : jewelry, rings, stones, screws, bolts, buttons diameter, nuts, knitting needles, knitting pattern, washers, insects, mosaic tile, hooks, thread, etc.

Please visit to learn more about the app and PRO version


measurement range limited by size of your screen, but with fine calibration the app gives you accuracy comparable to standard ruler or measure tape. For wider measurement range, check out our other measurement tools like Partometer, Partometer3D, Diskometer, Telemeter, Planimeter, etc.

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

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