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Survey calculators
mm × √km
From your instrument
Load a point list exported from a total station, GNSS receiver or survey software (CSV, TXT, or LandXML points). Leica GSI and Trimble JobXML are not supported yet.
Calculated on our server by fixed formulas, with no AI. Your numbers are not stored. These are working aids: check results before they go into a survey record or onto site.
1. Your drawing
ASCII DXF files. Using DWG? Save or convert it to DXF first (AutoCAD: SAVEAS; free option: ODA File Converter). Your file is processed in memory and not stored.
2. What should change?
3. Review & apply
Nothing to review yet.
Drawing health
Load a drawing to check it.
Your own AI (optional)
Projects
Tasks
Notes & progress
Projects are saved only in this browser, not on our servers. Clearing your browser data removes them, so download a report to keep a copy.
Results appear here.
grey = unchanged · orange = affected after change · dashed = original position