Short answer: the 31 standard frame sizes run from 4 x 6 to 24 x 36 inches (101.6 x 152.4 to 609.6 x 914.4 mm), 8 square and 23 portrait. These are picture (inside) sizes, so the outside of the frame is larger by the moulding.

The 31 sizes by shape and by front sheet

All 31 sizes

Picture size (in)	Millimetres	Area (sq in)	Long : short	Front sheet	Back	Profile
4 x 6 (A6)	101.6 x 152.4	24	1.5	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
5 x 7	127.0 x 177.8	35	1.4	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
6 x 6	152.4 x 152.4	36	1.0	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
6 x 8 (A5)	152.4 x 203.2	48	1.33	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
6 x 10	152.4 x 254.0	60	1.67	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
8 x 8	203.2 x 203.2	64	1.0	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
8 x 10	203.2 x 254.0	80	1.25	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
8 x 12	203.2 x 304.8	96	1.5	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
8.3 x 11.7 (A4)	210.8 x 297.2	97.11	1.41	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
8.5 x 11 (Letter)	215.9 x 279.4	93.5	1.29	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
8.5 x 14 (Legal)	215.9 x 355.6	119	1.65	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
10 x 10	254.0 x 254.0	100	1.0	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
10 x 12	254.0 x 304.8	120	1.2	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
11.7 x 16.5 (A3)	297.2 x 419.1	193.05	1.41	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
12 x 12	304.8 x 304.8	144	1.0	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
12 x 18	304.8 x 457.2	216	1.5	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
13 x 19	330.2 x 482.6	247	1.46	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
16 x 16	406.4 x 406.4	256	1.0	0.5 mm clear PVC	1.5 mm	Slim 19.5 / 13.5 mm
12 x 24	304.8 x 609.6	288	2.0	1 mm clear acrylic	2.1 mm	Classic 21 / 15 mm
16 x 20	406.4 x 508.0	320	1.25	1 mm clear acrylic	2.1 mm	Classic 21 / 15 mm
16 x 24 (A2)	406.4 x 609.6	384	1.5	1 mm clear acrylic	2.1 mm	Classic 21 / 15 mm
18 x 18	457.2 x 457.2	324	1.0	1 mm clear acrylic	2.1 mm	Classic 21 / 15 mm
18 x 24	457.2 x 609.6	432	1.33	1 mm clear acrylic	2.1 mm	Classic 21 / 15 mm
20 x 20	508.0 x 508.0	400	1.0	1 mm clear acrylic	2.1 mm	Classic 21 / 15 mm
20 x 24	508.0 x 609.6	480	1.2	1 mm clear acrylic	2.1 mm	Classic 21 / 15 mm
24 x 24	609.6 x 609.6	576	1.0	1 mm clear acrylic	2.1 mm	Classic 21 / 15 mm
15 x 30	381.0 x 762.0	450	2.0	1 mm clear acrylic	2.1 mm	Broad 28 / 12 mm
18 x 36	457.2 x 914.4	648	2.0	1 mm clear acrylic	2.1 mm	Broad 28 / 12 mm
20 x 28	508.0 x 711.2	560	1.4	1 mm clear acrylic	2.1 mm	Broad 28 / 12 mm
20 x 30	508.0 x 762.0	600	1.5	1 mm clear acrylic	2.1 mm	Broad 28 / 12 mm
24 x 36	609.6 x 914.4	864	1.5	1 mm clear acrylic	2.1 mm	Broad 28 / 12 mm

Conversions use 1 inch = 25.4 mm exactly (NIST; Wikipedia, Inch). Area, ratio and counts are our arithmetic on the published list.

Download the 31 frame sizes (CSV)

The published sizes and materials come from the photo frames page; see also the guide to how size sets sheet, back and profile. Any other size is made to your brief.

Start an enquiry when you are ready; we reply within 1 business day, with questions or a quote.

Sources: photo frames [S5]; photo frame profiles compared [S19]; photo frame inside size vs outside size [S18]. As of 2026-11-12. Terms are typical and are confirmed in your written quote.

Photo Frame Sizes in mm, Area and Ratio (CSV)

All 31 sizes

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