basic

Compound Microscope Magnification Calculator

M = M_objective × M_eyepiece for a compound scope.

Compute the total magnification of a compound microscope from the objective magnification (e.g. 10×, 40×, 100×) and the eyepiece magnification (typically 10× or 15×): M_total = M_obj × M_oc.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

M_total = M_obj × M_oc

In depth

Compute the total magnification of a compound microscope from the objective magnification (e.g. 10×, 40×, 100×) and the eyepiece magnification (typically 10× or 15×): M_total = M_obj × M_oc.