Magnification
Calculate Magnification instantly with the exact formula and a worked example. Free online calculator — no signup.
Magnification
Object distancecm
Image distancecm
Magnification
-2
More about: Magnification
What it calculates
The “Magnification” calculator computes Magnification from 2 parameters: object distance (cm), image distance (cm).
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters Object distance = 30 cm, Image distance = 60 cm the result is -2 (M = -dᵢ/d₀).
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.