45 mm in Pixels - Passport Photo Height
45 mm is the height of a standard 35x45 mm passport photo. At 300 DPI, 45 mm = 531 pixels. If you need the full photo size, the width (35 mm) is 413 pixels, making the complete image 413 x 531 px.
45 mm at 96 DPI
170 px
45 mm at 300 DPI
531 px
Full 35x45 mm photo
413 x 531 px
Same as
4.5 cm
Key details
45 mm at 96 DPI
170 px
45 mm at 300 DPI
531 px
35 x 45 mm at 96 DPI
132 x 170 px
35 x 45 mm at 300 DPI
413 x 531 px
How it works
Confirm the 45 mm is height
In passport specifications, 45 mm is always the height (vertical). The width is 35 mm.
Use 300 DPI for uploads
531 pixels at 300 DPI. Only use 170 px (96 DPI) if explicitly required.
Resize the photo
Open the pixel resizer with 413x531 pre-filled to create the final file.
Frequently asked questions
How many pixels is 45 mm at 300 DPI?
531 pixels. This is the vertical dimension of a standard passport photo at print quality.
Is 45 mm always the height?
In passport photo specifications, yes. The standard is 35 mm (width) x 45 mm (height). Some forms write it as 4.5 cm x 3.5 cm (height x width), which is the same thing.
Can I use this for Schengen visa photos too?
Yes. Schengen visa photos use the same 35x45 mm standard. The pixel equivalent at 300 DPI is 413x531 px.
Bharat Kumar G.verified
Technical SEO & Document Processing Expert
Bharat is the founder of ReadyToSubmit. With years of experience in technical web development, he builds privacy-first, client-side tools to help Indian government exam aspirants format their applications accurately and securely without server uploads.