📦 Free delivery on £30+ orders

UK Picture Frame Size Guide | A4, A3, Photos, Posters & Vinyl

Find the right size picture frame in seconds

Measure your artwork and match it to the sizes below.

Not a standard size? Use the frame size calculator for an instant answer.

How to measure your artwork:

  1. Measure the visible artwork.
  2. Use centimetres for the most accurate fit.
  3. Adding a mount? Choose a larger frame.

Picture frame size guide

What size frame for A5?

A5 measures 14.8 × 21 cm (5.8 × 8.3 inches).

For the artwork to fill the frame exactly, choose a frame with an internal size of 14.8 × 21 cm.

If you would like a mount around the artwork, choose an A4 frame (21 × 29.7 cm) with an A5 window mount.

Our recommended frame: Small Pop-up Frame. £7 with wall-mount included and easy assembly.

What size frame for A4?

A4 measures 21 × 29.7 cm (8.27 × 11.69 inches).

For the artwork to fill the frame exactly, choose a frame with an internal size of 21 × 29.7 cm.

If you would like a mount, choose a 30 × 40 cm frame with an A4 window mount.

Our recommended frame: Medium Pop-up Frame. £10 with wall-mount included and easy assembly.

What size frame for A3?

A3 measures 29.7 × 42 cm (11.7 × 16.5 inches).

For an exact fit, choose a frame with an internal size of 29.7 × 42 cm.

If using a mount, choose a 40 × 50 cm frame with an A3 window mount.

Our recommended frame: Medium Pop-up Frame. £10 with wall-mount included and easy assembly.

What size frame for photo booth strip?

A standard photo booth strip measures approximately 5 × 15 cm.

For the strip to sit exactly to the edge, choose a frame with an internal size of 5 × 15 cm.

If you would like space around the strip, choose an A5 frame (14.8 × 21 cm) with a 5 × 15 cm window mount.

Our recommended frame: Small Pop-up Frame. £7 with wall-mount included and easy assembly.

What size frame for a postcard?

A standard postcard measures 10 × 15 cm (4 × 6 inches).

If you want the frame to sit exactly to the edge of the card, choose a frame with an internal size of 10 × 15 cm.

If you want a mount (a visible border around the card), choose an A5 frame (14.8 × 21 cm) with a 10 × 15 cm window mount.

Our recommended frame: Small Pop-up Frame. £7 with wall-mount included and easy assembly.

What size frame for a standard photograph?

In the UK, the most common photo print sizes are:

  • 6 × 4 inches (15.2 × 10.2 cm)
  • 7 × 5 inches (17.8 × 12.7 cm)
  • 8 × 6 inches (20.3 × 15.2 cm)

For a direct fit, choose a frame with an internal size that exactly matches your photo dimensions.

If you would like a visible border (mount), choose the next size up and use a window mount cut to your photo size. For example:

  • A 6 × 4 inch photo works well in an A5 frame (14.8 × 21 cm) with a mount.
  • A 7 × 5 inch photo can sit inside an A4 frame (21 × 29.7 cm) with a mount.
  • An 8 × 6 inch photo can also be mounted inside an A4 frame.

Our recommended frames:

Small Pop-up Frame for 6 × 4 and 7 × 5 prints. £7 per frame with wall-mount included and easy assembly.

Medium Pop-up Frame for 8 × 6 prints. £10 per frame with wall-mount included and easy assembly.

What size frame for a 5 × 5 inch print?

A 5 × 5 inch print measures 12.7 × 12.7 cm.

For an exact fit, choose a frame with an internal size of 12.7 × 12.7 cm.

If you would like a mount, choose a larger square frame, such as 20 × 20 cm, with a 5 × 5 inch window mount.

Our recommended frame: Small Pop-up Frame. £7 with wall-mount included and easy assembly.

What size frame for a 6 × 8 inch print?

A 6 × 8 inch print measures 15.2 × 20.3 cm.

For a direct fit, choose a frame with an internal size of 15.2 × 20.3 cm.

If adding a mount, choose the next size up with a window mount cut to 6 × 8 inches.

Our recommended frame: Small Pop-up Frame. £7 with wall-mount included and easy assembly.

What size frame for a 7-inch vinyl record sleeve?

A standard 7-inch single sleeve measures approximately 18 × 18 cm.

For a direct fit, choose a frame with an internal size of 18 × 18 cm.

If you would like a mount, choose a 20 × 20 cm frame with an 18 × 18 cm window mount.

Our recommended frame: Small Pop-up Frame. £7 with wall-mount included and easy assembly.

What size frame for a 12-inch vinyl record sleeve?

A standard 12-inch vinyl record sleeve measures 31.5 × 31.5 cm.

For the sleeve to fill the frame exactly, choose a frame with an internal size of 31.5 × 31.5 cm.

If you would like a visible border (mount), choose a larger square frame such as 40 × 40 cm with a 31.5 × 31.5 cm window mount.

Our recommended frame: Medium Pop-up Frame. £10 with wall-mount included and easy assembly.

What size frame for 30 × 40 cm?

For a direct fit, choose a frame with an internal size of 30 × 40 cm.

If adding a mount, choose a 40 × 50 cm frame with a 30 × 40 cm window mount.

Our recommended frame: Medium Pop-up Frame. £10 with wall-mount included and easy assembly.

Not a standard size?

Enter the height and width below and we’ll tell you exactly which Pop-up Frame to use.

SMALL Pop-up Picture Frame | 15cm-30cm
SMALL Pop-up Picture Frame | 15cm-30cm
Best for artwork 15–30 cm
£7.00
Learn more
MEDIUM Pop-up Picture Frame | 21cm-50cm
MEDIUM Pop-up Picture Frame | 21cm-50cm
Best for artwork 21–50 cm
£10.00
Learn more
Posters | Coming soon
Posters | Coming soon
Poster frames 32–92 cm (coming soon)
Sign up

Ready to get framing?

✓ Peel & stick wall mount

✓ No tools required

✓ Delivered fast across the UK

Partners