The majority seem to choose the middle window mat ratio of 1 64.
Photograph to mat size ratio.
Leaving the size at around 3mm makes the picture frame a little larger than the art or window mat being framed.
For example a 16x20 inch frame including a mat purchased for use with 11x14 prints or photographs will have an actual window opening somewhere in the neighborhood of 10 1 2 x 13 1 2 inches.
As a general rule your mat should always be 1 5 times as wide as your frame or wider.
The most common size for a photo is 4r or 4 inches by 6 inches typically because it s not too small and not too big.
Whenever possible avoid pairing a mat with a frame the same size or larger.
A 1 1 ratio means that an image s width and height are equal creating a square.
And the reason why this is so is because the middle window mat ratio is the closest one to the golden ratio of 1 618.
The aspect ratio of the photo print is 2 by 3 suitable for photos taken on majority of digital cameras and phone cameras.
There are many types of frames available for that size.
The calculator adds the supplied image or art and window mat dimensions and calculates the correct overall or finished moulding cutting sizes in millimitres.
Off the shelf pre cut picture frames usually have mat boards with openings that are half an inch smaller than the intended picture size.
This ratio also known as the golden section golden mean golden number divine proportion divine section etc has been known since antiquity.
If the mat is smaller than the frame you run the risk of the artwork appearing stuffed into the.