The mobile phone screen size is measured in inches and is calculated as follows: measure the diagonal length of the screen (in millimeters) and divide by 25.4. Common mobile phone screen sizes range from 4.7 inches to 7.5 inches.
How to calculate mobile phone screen size
Mobile phone screen size refers to the diagonal length of the screen, in inches . The calculation method is as follows:
1. Measure the length of the diagonal line of the screen
Use a tape measure or ruler to measure the length of the diagonal line of the mobile phone screen, from one corner point to Another corner point.
2. Convert to inches
If the measurement unit is millimeters, divide it by 25.4 to convert to inches.
Example:
Assume that the measured diagonal length of the screen is 145 mm, then convert it to inches:
145 mm÷25.4 = 5.71 inches
So the phone screen size is 5.71 inches.
Note:
- Screen sizes are usually rounded to one decimal place, for example 5.71 inches is usually expressed as 5.7 inches.
- Common mobile phone screen sizes on the market range from 4.7 inches to 7.5 inches.
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