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License Plate Camera Angle Calculator

Check whether your plate camera is looking too far down or sideways at the vehicle. The calculator combines mounting height and lateral offset into a total camera-to-travel angle.

Capture distance (ft)Camera height above plate path (ft)Lateral offset from lane center (ft)Vehicle speed (mph)

Calculating…

Formula

The calculator treats camera height and lateral lane offset as one transverse distance, then computes total angle as arctan(transverse distance ÷ capture distance). This matches the geometry described in Axis license-plate capture guidance.

What the shutter lookup means

The shutter result uses the next-more-conservative angle and vehicle-speed band from Axis's published table. It is a planning reference, not an automatic camera setting. Lighting, IR reach, plate reflectivity and exact vehicle path still matter.

Do not optimize only for angle: plate capture also needs enough pixels on the plate, controlled exposure, fast enough shutter and a narrow scene. A general-purpose camera can show a vehicle clearly while still failing to produce readable plates.

Primary reference: Axis License Plate Capture white paper.