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Matting calculator

 

This calculator gives the sizes for the matting of a frame. Ususally the frame height at the top is a bit smaller than the one at the bottom, giving a more balanced look. This height difference can be set manually, or you can check the box "height difference according to golden ratio", in which case the height difference is calculated according to the golden ratio. I personally think the difference is a bit too big when using the golden ration, so I set it manually.

The grey part in the picture below is the matting, and the dashed line represents the overlap of the paper and the matte on the rear side of the matte. The values for these overlaps are shown between parentheses. The white edge directly next to the photo is of course only present if the photo size is smaller than the opening in the frame.

This calculator works just as well for portrait orientation, in that case just ignore the fact that the example below is landscape oriented.

Outer matte dimensions (w×h):

×

Inner matte dimensions (w×h):

×

Paper dimensions (w×h):

×

Photo dimensions (w×h):

×

Height difference:

Or height difference according to golden ratio:

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