Biology

Microscope Magnification Calculator

Lets users compute and verify microscope magnification instantly with formula, steps and examples — no manual math.

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Total magnification
400 ×

Total magnification = objective × eyepiece = 40 × 10 = 400×.

About this calculator

Compound microscope magnification = objective × eyepiece. A 40× objective with a 10× eyepiece yields 400×. Total useful magnification is limited by numerical aperture (~1000 × NA).

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