12x18 has an aspect ratio of 1.5:1. A typical 12x18 frame will cover 1/4 inch of your image all around, resulting in a view window of 11.5x17.5. If you would like a mat to complement your frame, visit our 12x18 Cut Mats. With a mat, a 12x18 frame works best for artwork from 6x12 to 8x14.
Learn more about measuring for a frame