Coordinate precision visualizer
How precise are your coordinates—really? This tool translates decimal places into an estimated ground resolution and an “uncertainty square” at your latitude. Use it to set data-entry rules, avoid over-rounding, and choose the right precision for exports.
Note: precision ≠ accuracy (hardware, workflow, and control still drive accuracy).
Coordinate Precision — Map Squares
Visualize positional precision by decimal places: grid rectangles in decimal degrees and matching-area ground squares at a chosen location.
Notes: 1° lat ≈ 111 km. 1° lon ≈ 111 km × cos(φ). Squares’ side = √(lat_cell_m × lon_cell_m). WGS‑84 approximations.
v1.0 • Tiles © OSM contributors
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