Photo 30x40 milimetres (3x4 cm)

30 x 40 mm photo

The requirements for official document photos may vary, especially in terms of size and framing. If you want to obtain a professional photograph that is suitable for various documents, usually the best solution is to choose a universal photograph with a pre-set size. For example, for a given format: 30 x 40 mm - that is 3 on 4 centimetres, you can use the cropping tool available on our page and we will alter your photograph to meet the requirements of the office or institution. Thanks to this easy process, you will save time and money on searching for a photographer to take professional photographs for documents in the size you need. Furthermore, photography studios may not always be able to offer printing services for photos with dimensions of 30 on 40 mm or 3 x 4 centimetres. So, using a photo maker with the option of automatic framing may be the best solution.

30 x 40 mm (3 by 4 centimetres) photo - background

Often a photograph for a document should have a uniform or plain background. The background colour itself can vary depending on the specific document. Commonly, however, it is a bright background, usually white (#ffffffff) or light grey (for instance #fafafa), nevertheless, there can be a particular requirement regarding the background of light blue colour - #1292fa. With passport-photo.online cropping tool you can get a photograph with a uniform bright background. Just upload any photograph to the form above, and our Background Removal Tool will do its job and you will get a photo with the perfect bright background. Soon, there will also be an option to choose a specific background color. If you need it now, please contact us at :

[email protected]

Equivalents of the 30 x 40 mm photo

The equivalents of a 30 x 40 millimeters size photograph are:

• 3 x 4 cm photo (i.e. photo's width 3 cm and height 4 cm)
• 1,18 x 1,57 inches photo (i.e. photo's width 1,18 inches and height 1,57 inches)

Proportions of the digital version of the 30 by 40 mm photograph

In the case of electronic version photos only, it is crucial to maintain the right proportions, i.e. the ratio of the 30 millimeters width to the 40 mm height. Depending on the resolution (dpi) of the printout, these may be very different concerning sizes expressed in pixels (px). E.g., these can be the dimensions:

for dpi=100 resolution: 118 x 139 px (width = 118 pixels, and height 139 pixels)

for dpi=300 resolution: 354 x 418 px (width = 354 pixels, and height 418 px)

for dpi=600 resolution: 708 x 835 px (width = 708 pixels, and height 835 px)