Distance Calculator using Angular and Linear Size

The angle of how large a circle appears from a given point is the angular size or diameter. The distance between the object and the observer can be calculated based on the linear and angular size.

Calculate Distance using Angular and Linear Size

length
°
length

The angle of how large a circle appears from a given point is the angular size or diameter. The distance between the object and the observer can be calculated based on the linear and angular size.

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Formula:

L = D / (2 * tan(α/2)) Where, L = Distance to the Object D = Linear Size α = Angular Size

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