What this workspace does
A transparent reference-scale calculation.
Image Inspector · browser local
Open an image, enter a known reference length and its pixel length, then enter the measured object pixels. Aftermath calculates the proportional estimate locally.

A transparent reference-scale calculation.
Perspective, lens distortion, and a reference at a different depth can make a photo measurement inaccurate. Treat it as an estimate, not a survey result.
Selected files are processed in the current browser session. Aftermath has no account, cloud file storage, or server-side file-processing job.
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