engl. measure | 1 Inch = 25.4 mm |
Dot per Inch | 1 dpi = 1 Dot per Inch(25.4 mm) |
pixels per Inch | 1 ppi = 1 dpi = 1 Pixel per Inch(25.4 mm) |
Byte | Digital | 1Byte= 8 Bit | |
KB | Digital | 1 KB = 1024 Byte | |
MB | Digital | 1MB = 1024 KB | 1MB = 1024 |
Example : pixels/Bytes calculate - image: 1000px · 2000px | |
Bytes =
Total pixels · color depth
8 Bit [1 Byte]
|
(1000px · 2000px) · 24
8 bit
= 6000000 Bytes = 6MB
|
Example: Photo/Image/Pictur 5x5 pixels (12.7 x 12.7 mm) Formula calculation of length or width, pixels and dpi |
|
length [mm] =
Pixel · 1 Inch [25.4mm]
dpi
|
12.7 mm =
5px · 25.4mm
10 dpi
|
Pixel =
dpi ·
length[mm]
1 Inch [25.4mm]
|
5px =
10dpi · 12.7mm
25.4 mm
|
dpi =
Pixel · 1 Inch [25.4mm]
length
[mm]
|
10dpi =
5px · 25.4mm
12.7mm
|