<Table> Entropy per symbol for different symbol sets <Tr> <Th> Symbol set </Th> <Th> Symbol count N </Th> <Th> Entropy per symbol H </Th> </Tr> <Tr> <Td> Arabic numerals (0--9) (e.g. PIN) </Td> <Td> 10 </Td> <Td> 3.322 bits </Td> </Tr> <Tr> <Td> hexadecimal numerals (0--9, A--F) (e.g. WEP keys) </Td> <Td> 16 </Td> <Td> 4.000 bits </Td> </Tr> <Tr> <Td> Case insensitive Latin alphabet (a--z or A--Z) </Td> <Td> 26 </Td> <Td> 4.700 bits </Td> </Tr> <Tr> <Td> Case insensitive alphanumeric (a--z or A--Z, 0--9) </Td> <Td> 36 </Td> <Td> 5.170 bits </Td> </Tr> <Tr> <Td> Case sensitive Latin alphabet (a--z, A--Z) </Td> <Td> 52 </Td> <Td> 5.700 bits </Td> </Tr> <Tr> <Td> Case sensitive alphanumeric (a--z, A--Z, 0--9) </Td> <Td> 62 </Td> <Td> 5.954 bits </Td> </Tr> <Tr> <Td> All ASCII printable characters except space </Td> <Td> 94 </Td> <Td> 6.555 bits </Td> </Tr> <Tr> <Td> All ASCII printable characters </Td> <Td> 95 </Td> <Td> 6.570 bits </Td> </Tr> <Tr> <Td> All extended ASCII printable characters </Td> <Td> 218 </Td> <Td> 7.768 bits </Td> </Tr> <Tr> <Td> Binary (0--255 or 8 bits or 1 byte) </Td> <Td> 256 </Td> <Td> 8.000 bits </Td> </Tr> <Tr> <Td> Diceware word list </Td> <Td> 7776 </Td> <Td> 12.925 bits </Td> </Tr> </Table> <Tr> <Th> Symbol set </Th> <Th> Symbol count N </Th> <Th> Entropy per symbol H </Th> </Tr> <Tr> <Td> Arabic numerals (0--9) (e.g. PIN) </Td> <Td> 10 </Td> <Td> 3.322 bits </Td> </Tr> <Tr> <Td> hexadecimal numerals (0--9, A--F) (e.g. WEP keys) </Td> <Td> 16 </Td> <Td> 4.000 bits </Td> </Tr>

Note passwords length can be between 6- 12 characters