Paper and photo sizes
Choose a paper or photo format and output unit. Calculate pixels at 72, 150 or 300 DPI.
Formula
pixels = round(mm / 25.4 × DPI)
Size = A4 · Result unit = cm · Resolution (DPI) = 300
How to use
- Choose a size.
- Choose the unit and DPI.
- Read width and height.
Examples
- A4 at 300 DPI is about 2,480 × 3,508 pixels.
Frequently asked questions
How big is A4?
21 × 29.7 cm.
Is F4 the same as folio?
Here F4 is 215 × 330 mm, common Indonesian HVS paper; folio is 215.9 × 330.2 mm. F4 variants include 210 × 330 mm (Epson) and 216 × 330 mm. Check the package.
Are R photo sizes universal?
No. We use Snapy sizes, including 30R at 75 × 100 cm. Confirm with your print lab.
Sources
Updated: