Measure true & magnetic headings and distances on maps, charts, and images
Users
21
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#152K
#127K among extensions
Version
1.1.0
updated 24 Jan 2026
Users
monthly, 9 months
Latest, 21 Oct 2026:21 usersMove the mouse over the chart for any month
Ratings count
monthly, 9 months
Latest, 21 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Aviation Map Measurement Tool
A Chrome extension that adds measurement capabilities to maps, charts, and images viewed in the browser. Measure true and magnetic headings, distances in nautical miles, and calibrate to any map orientation.
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