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Lens Equation Calculator

Calculate image distance from focal length and object distance.

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Calculator Details

CategoryPhysics

Inputs2

UseFree

RunsIn your browser

Before You Calculate

Confirm the value for Focal length (cm).
Confirm the value for Object distance (cm).

Why You Can Trust It

Calculations run instantly in your browser. Your entries aren't sent to or stored on a server.

Written By

Robert Threadgill
Founder

Founder of Simple Calculator Tools. Builds and tests every calculator on this site personally before publishing.

Focal length (cm)

Object distance (cm)

Result

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