Image Footprint Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the GSD and the image width and height in pixels.
- Press Calculate.
- Read the ground footprint of one image.
How it works
Ground footprint = (GSD ÷ 100) × image pixels, for each dimension; the area is width × height.
Worked example
2 cm/px, 5472 × 3648 px. ≈ 109 m × 73 m on the ground.
Frequently asked questions
What's footprint used for?
It feeds overlap, line spacing and image-count planning for a drone mapping mission.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.