Ground Sample Distance (GSD)
GSD
1.20 cm/px
0.0120 m/px
Footprint
72.0 × 48.0 m
0.346 hectares
Image size
6000 × 4000
pixels
Ground pixel and image footprint
Altitude, focal length, and pixel pitch set the nadir ground sample distance and image footprint.
Nadir imaging footprint
1.20 cm/pixel
120 m
72.0 m
48.0 m
One pixel on the ground
1.20 cm per pixel across a 72.0 x 48.0 m footprint
86.5 m
Nadir, flat-ground estimate
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.