Aequo: On-Screen Measurements

A lightweight utility designed to help you to take length and angle measurements of objects on your screen.

Features

Linear Measurement

1

Grid Tool

Show an inch or centimeter grid overlay

2

Linear Measurement Tool

Find the distance between two points on your screen

3

Linear Conversion Factor 

Apply a conversion factor to linear measurements to scale on-screen units to real-world units

Angle Measurement

1

Protractor Tool

Overlay your screen with a movable, zoomable protractor

2

Angle Measurement Tool

Find an angle between three points on your screen

Other Features

1

Pen Tool

Annotate or doodle over your measurements

2

Measurement History

View measurement history and choose whether to keep past measurement lines on-screen

3

Background Options

Use a dark or light background style to provide suitable contrast with the images behind the overlay

4

Unobtrusive Interface

To minimize clutter, all app controls and options live in the menu bar and are also accessible with keyboard shortcuts