Letter 8 × 10

Flat cap 14 × 17 Crown cap 15 × 19 Demy 16 × 21 Folio post 17 × 22 Double cap 17 × 28 Medium 18 × 23 Royal 19 × 24 Super royal 20 × 28 Double demy 21 × 32 Double folio 22 × 34 Double medium 23 × 36 Imperial 23 × 31 Elephant 23 × 28 Double royal 24 × 38 Columbier 23 × 34 Atlas 26 × 33 Antiquarian 31 × 53