Compute image distance (v) and magnification (m) for mirrors & lenses using Cartesian sign convention. Interactive ray diagram. Ideal for JEE, NEET, AP, IB, A-Level.
About Lens & Mirror Formula Calculator
The Lens & Mirror Formula Calculator is a free, interactive online physics tool. It uses 1/f = 1/v ± 1/u with the Cartesian sign convention and draws a basic ray diagram. It gives instant results with a clear visual and works on any device — ideal for Class 11 & 12 and college students preparing for CBSE/ICSE boards, JEE, NEET, AP Physics, IB Physics and A-Level Physics — and learners worldwide (UK, USA, Canada, Australia).
Frequently Asked Questions
Is the Lens & Mirror Formula Calculator free to use?
Yes — the Lens & Mirror Formula Calculator is 100% free, works online in your browser with no sign-up, and runs on both mobile and desktop.
Who is the Lens & Mirror Formula Calculator for?
Class 11 & 12 and college students preparing for CBSE/ICSE boards, JEE, NEET, AP Physics, IB Physics and A-Level Physics — and learners worldwide (UK, USA, Canada, Australia).
How do I use the Lens & Mirror Formula Calculator?
Enter the required values in the tool above and get instant, step-by-step results with a clear visual.
Keep exploring — 100% free