Home Digital & Computing Number Base Number Base Converter
Enter a value and choose units — the result appears instantly. This converter supports 12 units, and the table below shows your value in all of them at once.
255 (Decimal (base 10)) = 1111 1111 (Binary (base 2))
Conversion table
255 (Decimal (base 10)) =
Unit Value Binary (base 2) 1111 1111 Ternary (base 3) 100110 Quaternary (base 4) 3333 Quinary (base 5) 2010 Octal (base 8) 377 Decimal (base 10) 255 Duodecimal (base 12) 193 Hexadecimal (base 16) FF Vigesimal (base 20) CF Base 32 7V Base 36 73 Roman numerals CCLV
Quick reference
DEC BIN 0 0 1 1 2 10 3 11 4 100 5 101 6 110 7 111 8 1000 9 1001 10 1010 15 1111 16 1 0000 32 10 0000 64 100 0000 100 110 0100 127 111 1111 128 1000 0000 255 1111 1111 256 1 0000 0000 1000 11 1110 1000 1024 100 0000 0000
DEC HEX 10 A 15 F 16 10 31 1F 32 20 64 40 100 64 127 7F 128 80 255 FF 256 100 1000 3E8 4095 FFF 4096 1000 65535 FFFF
DEC Roman numerals 1 I 2 II 3 III 4 IV 5 V 9 IX 10 X 14 XIV 19 XIX 40 XL 50 L 90 XC 100 C 400 CD 500 D 900 CM 1000 M 1999 MCMXCIX 2000 MM 2026 MMXXVI
Note Whole numbers of any length are supported, including negative numbers. The prefixes 0b, 0o and 0x are accepted.