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Floor plan scale calibration

Select two points of known length, then two points to estimate distance on a floor plan.

Choose image

JPG, PNG, or WebP; up to 20 MB / 24 megapixels, with a longest side of 8192 px.

Free · processed on your device

1. Calibrate a known distance

0/2

Known lengthUnit

0/2

Result unit

Estimated length

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Estimate from flat plans only, not perspective room photos. This is not an on-site measurement and does not change LynHub's measurement trust level.