In touch with geometry!


sketchometry is free to use. It can be used for education purposes and privately for free.

For commercial usage please get in contact with the address in the imprint.

Download sketchometry 1.3.5


sketchometry apps can be installed directly on your tablet, smartphone or computer:

sketchometry for Android

sketchometry for iOS

sketchometry for Windows 8.1+

sketchometry for Chrome (offline app)

sketchometry.apk (1.3.3)

online (web browser)

Moreover, sketchometry can be started in any modern browser on tablet, smartphone or computer. Construction can be saved comfortably in the cloud:

Start sketchometry (on any platform)

sketchometry online app for Chrome


There is no need to install sketchometry. Unzip the ZIP-archive on your computer running Microsoft Windows, Apple OS X or Linux. Then, open the file index.html in directory sketchometry. 1.3.5 [0.9 MB]


Explore the Midpoint Quadrilateral of a Kite

Explore Properties of a Kite

Explore the Midpoint Quadrilateral of a Quadrilateral

Teachers for Teachers

Kwan Chi Kuen, Mathematics Teacher at King Ling College (Hong Kong) created some sketchometry worksheets (“Thank you!”):

Worksheets (centroid, circumcenter, incenter, irrational numbers, …) & sketch-files (ZIP, 1MB)


Gestures - overview

sketchometry - Documentation


sketchometry - Presentation