Picture frames are available in a huge range of sizes, shapes and styles. The most common frame size is 4 x 6" (10cm x 15cm), to match a conventional photo print. Here are some other standard frame sizes to suit anything from posters to artworks to photographs: -6cm x 9cm / 2.5" x 3.5" -12.5cm x 17.5cm / 5" x 7" -15cm x 20cm / 6" x 8" -20cm x 25cm / 8" x 10" -20cm x 30cm / 8" x 12" -28cm x 35.5cm / 11" x 14"