What physical size should the digital image (illustration) contained in a file be?
As a rough guide, we would recommend that the physical dimensions of a digital image should be no less than 60mm wide and 40mm high. The resolution of an image should be no less than 300 dots per inch (or 118 pixels per cm) at the size it’s to be reproduced in your book. A simple test you can perform on JPEGs and GIFs is to view the image on your computer screen. If it is as large as your computer screen at a zoom level of 100% or less, it will be acceptable. If it is any smaller than your screen size (or you have to increase the zoom level past 100% to make it so), it is too small.
Related Questions
- I wish to use an image in a scholarly journal but it is an on-line journal, or the image will be used on the journal’s website. Can I download a digital file and obtain the academic discount?
- What physical size should the digital image (illustration) contained in a file be?
- How is a digital images file size determined?
