Paper & Envelope Sizes

Common Paper Sizes

Paper

Height x Width (mm)

Used For

A1

 841 x 594 Posters

A2

 594 x 420 Posters

A3

 420 x 297 Flyers and Posters

A4

 297 x 210 Letters/Flyers/Brochures

A5

 210 x 148 Cards, postcards

A6

 148 x 105 Promotional Cards

DL

 99 x 210 Postcards

Business Card

 45 x 90

Common Envelope Sizes

Envelope

Dimensions (mm)

Used For

C3

 324 x 458 A3 sheet

B4

 250 x 353 Multiple A4 sheets

C4

 229 x 324 A4 sheet

B5

 176 x 250 Multiple A5 sheets

C5

 162 x 229 A5 sheet

B6

 125 x 176 Multiple A6 cards

C6

 114 x 162 A6 card

DL

 110 x 220 DL or A4 folded in 3

DLX

 120 x 235 Multiple DL sheets