13x13 has an aspect ratio of 1:1. A typical 13x13 frame will cover 1/4 inch of your image all around, resulting in a view window of 12.5x12.5. If you would like a mat to complement your frame, visit our 13x13 Cut Mats. With a mat, a 13x13 frame works best for artwork from 5x5 to 9x9.
Learn more about measuring for a frame