Calculate the lateral magnification of an image formed by a lens or mirror. Determines image size relative to object size and indicates whether the image is upright or inverted.
Enter your values below
Distance from the lens/mirror to the object.
Distance from the lens/mirror to the image.
Optional - to also compute image height.
How this calculator works
Magnification M equals the negative ratio of image distance v to object distance u. A negative M indicates an inverted image; |M| > 1 means the image is enlarged.
Common questions about this calculator
These calculators are for educational and informational purposes only. While we strive for accuracy, results should be verified for critical applications. Always consult authoritative sources for engineering or scientific work.
