For your convenience, we offer the following Scan Size Calculator. If you know your required resolution, you can enter it in the resolution in p.p.i. window. If you are unsure of your required resolution, use the drop down menu. It provides a list of our services and some of the more poplular line screens. All scan sizes will be calculated for RGB color space. For CMYK scan sizes, add 25% to the final megabyte size.