Ukuran Kertas Foto
2R = 6 x 9 cm
3R = 8.9 x 12.7 cm
4R = 10.2 x 15.2 cm
5R = 12.7 x 17.8 cm
6R = 15.2 x 20.3 cm
8R = 20.3 x 25.4 cm
8R plus = 20.3 x 30.5 cm
10R = 25.4 x 30.5 cm
10R plus = 25.4 x 38.1 cm
Menghitung resolusi foto 4R
3R = 8.9 x 12.7 cm
4R = 10.2 x 15.2 cm
5R = 12.7 x 17.8 cm
6R = 15.2 x 20.3 cm
8R = 20.3 x 25.4 cm
8R plus = 20.3 x 30.5 cm
10R = 25.4 x 30.5 cm
10R plus = 25.4 x 38.1 cm
Menghitung resolusi foto 4R
4R = 10.2 x 15.2 cm
(10.2 cm : 2.54) x 300 dpi = 1204 pixel
(15.2 cm : 2.54) x 300 dpi = 1795 pixel
Catatan:
- 1 Mega Pixel = 1280 x 960 pixel
- 2 Mega Pixel = 1600 x 1200 pixel
Menghitung ukuran file foto
Ukuran gambar = 2 in x 2 in (300 dpi)
Ukuran File = (2 x 300) x (2 x 300)
= 360.000
= 1,38 MB
Catatan: 1 MB = 260.869,6
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