<Tr> <Td> Common Image Area for Paper Sizes P4 and A4 </Td> <Td> CAN2 - 200.2 - M79 </Td> <Td> 1979 - 04 </Td> <Td> </Td> <Td> </Td> <Td> 2012 - 03 </Td> </Tr> <P> With care, documents can be prepared so that the text and images fit on either ANSI or their equivalent ISO sheets at 1: 1 reproduction scale . </P> <Table> ANSI and CAN paper sizes <Tr> <Th> US size </Th> <Th> in × in </Th> <Th> mm × mm </Th> <Th> Ratio </Th> <Th_colspan="2"> Canadian size (mm × mm) </Th> <Th_colspan="2"> Similar size (mm × mm) </Th> </Tr> <Tr> <Td_colspan="4"> N / A </Td> <Td> CAN P6 </Td> <Td> 107 × 140 </Td> <Td> ISO A6 </Td> <Td> 105 × 148 </Td> </Tr> <Tr> <Td_colspan="4"> N / A </Td> <Td> CAN P5 </Td> <Td> 140 × 215 </Td> <Td> ISO A5 </Td> <Td> 148 × 210 </Td> </Tr> <Tr> <Th> ANSI A </Th> <Td> ​ 8 ⁄ × 11 </Td> <Td> 216 × 279 </Td> <Td> 1.2941 </Td> <Td> CAN P4 </Td> <Td> 215 × 280 </Td> <Td> ISO A4 </Td> <Td> 210 × 297 </Td> </Tr> <Tr> <Th> ANSI B </Th> <Td> 11 × 17 </Td> <Td> 279 × 432 </Td> <Td> 1.5455 </Td> <Td> CAN P3 </Td> <Td> 280 × 430 </Td> <Td> ISO A3 </Td> <Td> 297 × 420 </Td> </Tr> <Tr> <Th> ANSI C </Th> <Td> 17 × 22 </Td> <Td> 432 × 559 </Td> <Td> 1.2941 </Td> <Td> CAN P2 </Td> <Td> 430 × 560 </Td> <Td> ISO A2 </Td> <Td> 420 × 594 </Td> </Tr> <Tr> <Th> ANSI D </Th> <Td> 22 × 34 </Td> <Td> 559 × 864 </Td> <Td> 1.5455 </Td> <Td> CAN P1 </Td> <Td> 560 × 860 </Td> <Td> ISO A1 </Td> <Td> 594 × 841 </Td> </Tr> <Tr> <Th> ANSI E </Th> <Td> 34 × 44 </Td> <Td> 864 × 1118 </Td> <Td> 1.2941 </Td> <Td_colspan="2"> N / A </Td> <Td> ISO A0 </Td> <Td> 841 × 1187 </Td> </Tr> </Table> <Tr> <Th> US size </Th> <Th> in × in </Th> <Th> mm × mm </Th> <Th> Ratio </Th> <Th_colspan="2"> Canadian size (mm × mm) </Th> <Th_colspan="2"> Similar size (mm × mm) </Th> </Tr>

What is the length of a3 paper in cm
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