Ground Sampling Distance (GSD) Calculator
Calculate the real-world resolution of your drone imagery — how many centimetres each pixel represents on the ground.
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cm per pixel (GSD)
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GSD Reference Values
| GSD | Use Case |
|---|---|
| 0.5–1 cm/px | RTK precision survey, construction as-built |
| 1–3 cm/px | Engineering mapping, volumetric calculations |
| 3–5 cm/px | Agricultural field mapping, general survey |
| 5–10 cm/px | NDVI crop health, large-area overview |
| >10 cm/px | Area estimation, corridor planning |