cell sizes

get a hint

hint

image size

image size

actual size x magnification

millimetre

x10^-3

micrometre

x10^-6

nanometre

x10^-9

converting from mm to micrometre

x1000

converting nanometre to micrometre

divide 1000

how do we measure the size of the specimen in the microscope?

using an eyepiece graticule

how do we measure the actual size in the stage?

we use a stage micrometre which is a small ruler placed on the stage of a microscope.