Seriously

[01] 2x3 Ratio

4ʺx6ʺ, 8ʺx12ʺ, 10ʺx15ʺ, 12ʺx18ʺ, 16ʺx24ʺ

[01-L] 3x2 Landscape Ratio

6ʺx4ʺ, 8ʺx6ʺ, 15ʺx10ʺ, 18ʺx12ʺ, 24ʺx18ʺ

[02] 3x4 Ratio

3ʺx4ʺ, 6ʺx8ʺ, 9ʺx12ʺ, 12ʺx16ʺ, 18ʺx24ʺ

[02-L] 4x3 Landscape Ratio

4ʺx3ʺ, 8ʺx6ʺ, 12ʺx9ʺ, 16ʺx12ʺ, 24ʺx18ʺ

[03] 4x5 Ratio

4ʺx5ʺ, 8ʺx10ʺ, 16ʺx20ʺ, 400x500mm, 24ʺx30ʺ

[03-L] 5x4 Landscape Ratio

5ʺx4ʺ, 10ʺx8ʺ, 20ʺx16ʺ, 500x400mm, 30ʺx24ʺ

[04] 11x14 Ratio

11ʺx14ʺ, 22ʺx28ʺ

[04-L] 14x11 Landscape Ratio

14ʺx11ʺ, 28ʺx22ʺ

[05] A Series ISO

A6 105x148mm, A5 148x210mm, A4 210x297mm, A3 297x420mm, A2 420x594mm, A1 594x841mm

[05-L] A Series ISO Landscape

A6 148x105mm, A5 210x148mm, A4 297x210mm, A3 420x297mm, A2 594x420mm, A1 841x594mm

[06] Square

Any sized square up to 22ʺx22ʺ 550x550mm