Short answer: there are 16 standard pinboard sizes, from 12 x 12 to 36 x 24 inches, and 15 of the 16 carry the same size numbers as one of the 31 standard photo frame sizes (28 x 28 does not). Matching numbers are not matching outsides: a frame's outside is larger than its picture size.
The 16 sizes
| Orientation | Size (in) | Millimetres | Area (sq in) | Same numbers as a standard frame size? |
|---|---|---|---|---|
| Landscape | 18 x 12 | 457.2 x 304.8 | 216 | Yes |
| Landscape | 24 x 16 | 609.6 x 406.4 | 384 | Yes |
| Landscape | 30 x 20 | 762.0 x 508.0 | 600 | Yes |
| Landscape | 36 x 24 | 914.4 x 609.6 | 864 | Yes |
| Landscape | 24 x 12 | 609.6 x 304.8 | 288 | Yes |
| Landscape | 30 x 15 | 762.0 x 381.0 | 450 | Yes |
| Landscape | 36 x 18 | 914.4 x 457.2 | 648 | Yes |
| Portrait | 12 x 18 | 304.8 x 457.2 | 216 | Yes |
| Portrait | 16 x 24 | 406.4 x 609.6 | 384 | Yes |
| Portrait | 20 x 30 | 508.0 x 762.0 | 600 | Yes |
| Portrait | 24 x 36 | 609.6 x 914.4 | 864 | Yes |
| Square | 12 x 12 | 304.8 x 304.8 | 144 | Yes |
| Square | 16 x 16 | 406.4 x 406.4 | 256 | Yes |
| Square | 20 x 20 | 508.0 x 508.0 | 400 | Yes |
| Square | 24 x 24 | 609.6 x 609.6 | 576 | Yes |
| Square | 28 x 28 | 711.2 x 711.2 | 784 | No |
Conversions use 1 inch = 25.4 mm exactly (NIST; Wikipedia, Inch). Area, ratio and counts are our arithmetic on the published list.
Download the pinboard sizes (CSV)
Every other board and any other size is made to measure, up to 6 feet. Cork and glass boards list their sizes in the quote. Pinboards and photo frames share the same six standard frame colours, so they can sit on one wall. Sources: boards and photo frames. See the frame sizes table.
Start an enquiry when you are ready; we reply within 1 business day, with questions or a quote.
Sources: boards [S7]; photo frames [S5]. As of 2026-11-12. Terms are typical and are confirmed in your written quote.