GNOME application for measuring distances on screen to help you design and inspect layouts and graphics. Length includes the following features:
- Pixels, centimeters, inches, picas, points, or percentages as units
- Horizontal or vertical orientation
- Left-to-right or right-to-left orientation
- Transparency levels
- Track pointer position
Screenshots
Observed history
| App | Change | Version | When ↓ |
|---|---|---|---|
| updated | 0.11.1 | 30 Sept 2026 |
Upstream releases
Release notes supplied by the developer. These dates are not Flathub package publication times.
0.11.130 Sept 2026
When the pointer is locked, display the Euclidean distance (diagonal) between the locked position and the current pointer position
0.11.029 Sept 2026
When the pointer is locked, display the delta between the locked position and the current pointer position
0.10.216 May 2026
Add the vertical or horizontal CSS class to the application window
0.10.129 Sept 2025
Fix inaccurate measures for the diagonal rulers





