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##### Asked by: Fahd Bronnmann

science space and astronomy# What is the formula for calculating magnification?

Last Updated: 3rd May, 2020

**To calculate magnification**, use thefollowing

**formula**:

**magnification**= the height of theimage÷ by the height of the object. Plug your data intothe

**formula**and solve. If your answer is greater than 1,thatmeans the image is

**magnified**. If your answer is between0and 1, the image is smaller than the object.

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Just so, what is the formula to find the magnification power of a microscope?

To **calculate** the total **magnification** ofthecompound light **microscope** multiply the**magnificationpower** of the ocular lens by the **power** ofthe objectivelens. For instance, a 10x ocular and a 40x objectivewould have a400x total **magnification**.

how do you calculate the size of a cell? *To figure the length of one **cell**, dividethenumber of **cells** that cross the diameter of the field ofviewinto the diameter of the field of view. For example, ifthediameter of the field is 5 mm and you estimate that 50**cells**laid end to end would cross the diameter, then 5 mm/50**cells**= 0.1mm/**cell**.

Likewise, how do you calculate magnification of a drawing?

- a. The drawing is roughly 7 cm long. This equates to 70 mmor70,000µm.
- b. The actual size of the organism is about 500 µm.
- c. Drawing magnification = drawing size / actual size.
- 70,000 µm / 500 µm = 140 X.
- Drawing Magnification = 140 X.

What is magnification measured in?

**Magnification** on a microscope refers to theamountor degree of visual enlargement of an observedobject.**Magnification** is **measured** by multiples, suchas 2x,4x and 10x, indicating that the object is enlarged to twiceas big,four times as big or 10 times as big,respectively.