The photo sizes that we are familiar with are 2R, 5R, 10R, and so on. In fact, the size is not only R. But also changed to Mm, Cm, and Pixel.
What exactly is a photo size?
photo size is a dimension that includes the length and width of a photo based on international standards.
Size Standard Photo
The initial letter R is a symbol of international photo size. The number listed in the letter R, refers to the smallest number on the photo size in inches.
For example, a 5R photo equals 5 x 7 In. 5R is taken from the smallest number, which is 5.
Another example, 10R photos equal 10 x 12 Inch. 10R is taken from the number 10.
Photo Size Conversion R Become Mm
- Size 30R = 762 X 1016 mm
- Size 24R plus = 609 x 901 mm
- Size 24R = 609 x 800 mm
- Size 22R = 508 X 749 mm
- Size 20R plus = 508 x 609 mm
- Size 16R plus = 406 x 609 mm
- Size 16R = 406 x 508 mm
- Size 14R = 355 X 431 mm
- Size 12R plus = 305 x 457 mm
- Size 12R = 305 x 381 mm
- Size 11R plus = 279 x 356 mm
- Size 11R = 279 x 356 mm
- Size 10R plus = 254 x 381 mm
- Size 10R = 254 x 305 mm
- Size 8R plus = 203 x 305 mm
- Size 8R = 203 x 254 mm
- Size 6R = 152 x 203 mm
- Size 5R = 127 x 178 mm
- Size 4R = 102 x 152 mm
- Size 3R = 88.9 x 127 mm
- Size 2R = 63.5 x 88.9 mm
- Photo 4×6 = 38.1 x 55.9 mm
- Passport photo 3×4 = 27.9 x 38.1 mm
- Photo 2×3 = 21.6 x 27.9 mm
Photo Size Conversion R Become cm
- Size 30R = 75 x 100 cm
- Size 24R = 60.96 x 80 cm
- Size 20R = 50.8 x 60.96 cm
- Size 16R = 40.64 x 50.8 cm
- Size 12R = 30.48 x 39.37 cm
- Size 10R plus = 25.4 x 38.1 cm
- Size 10R = 25.4 x 30.5 cm
- Size 8R plus = 20.3 x 30.5 cm
- Size 8R = 20.3 x 25.4 cm
- Size 6R = 15.2 x 20.3 cm
- Size 5R = 12.7 x 17.8 cm
- Size 4R = 10.2 x 15.2 cm
- Size 3R = 8.9 x 12.7 cm
- Size 2R = 6 x 9 cm
Photo Size Conversion R Become Inch
- Size 30R = 30 x 40 inch
- Size 24R = 24 x 31.5 inches
- Size 20R = 20 x 24 inches
- Size 16R = 16 x 20 inches
- Size 12R = 12 x 15.5 inch
- Size 10R plus = 10 x 15 inches
- Size 10R = 10 x 12 inches
- Size 8R plus = 8 x 12 inches
- Size 8R = 8 x 10 inches
- Size 6R = 6 x 8 inches
- Size 5R = 5 x 7 inches
- Size 4R = 4 x 6 inches
- Size 3R = 3.5 x 5 inches
- Size 2R = 2 x 3.5 inches
Convert Photo Size R To Pixel (300 DPI)
- Size 30R = 9000 x 12000 pixels
- Size 24R = 7200 x 9450 pixels
- Size 20R = 6000 x 7200 pixels
- Size 16R = 4800 x 6000 pixels
- Size 12 R = 3600 x 4500 pixels
- Size 10R plus = 3000 x 4500 pixels
- Size 10R = 3000 x 3602 pixels
- Size 8R = 2398 x 3000 pixels
- Size 6R = 1795 x 2551 pixels
- Size 5R = 1500 x 2102 pixels
- Size 4R = 1205 x 1795 pixels
- Size 3R = 1`051 x 1500 pixels
- Size 2R = 600 x 1050 pixels
- 2×3 = 352 x 228 pixels
- 4×6 = 640 x 480 pixels
For photo prints, the recommended Pixels are at least 300 DPI. With a size of 300 DPI, printed photos will be clear and not blurry.
That’s the list of photo sizes starting from Mm, Cm, Inch, and Pixel. Usually the most commonly used sizes are 2R, 3R, 5R and 10R as well as 2×3, 3×4, and 4×6 for photo sizes.
