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Survey calculators
mm × √km
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