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Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal instantly.

Binary

Octal

Decimal

Hexadecimal

ASCII (0–127) - filter

Dec	Hex	Binary	Char
0	00	0000000	NUL
1	01	0000001	SOH
2	02	0000010	STX
3	03	0000011	ETX
4	04	0000100	EOT
5	05	0000101	ENQ
6	06	0000110	ACK
7	07	0000111	BEL
8	08	0001000	BS
9	09	0001001	TAB
10	0A	0001010	LF
11	0B	0001011	VT
12	0C	0001100	FF
13	0D	0001101	CR
14	0E	0001110	SO
15	0F	0001111	SI
16	10	0010000	DLE
17	11	0010001	DC1
18	12	0010010	DC2
19	13	0010011	DC3
20	14	0010100	DC4
21	15	0010101	NAK
22	16	0010110	SYN
23	17	0010111	ETB
24	18	0011000	CAN
25	19	0011001	EM
26	1A	0011010	SUB
27	1B	0011011	ESC
28	1C	0011100	FS
29	1D	0011101	GS
30	1E	0011110	RS
31	1F	0011111	US
32	20	0100000
33	21	0100001	!
34	22	0100010	"
35	23	0100011	#
36	24	0100100	$
37	25	0100101	%
38	26	0100110	&
39	27	0100111	'
40	28	0101000	(
41	29	0101001	)
42	2A	0101010	*
43	2B	0101011	+
44	2C	0101100	,
45	2D	0101101	-
46	2E	0101110	.
47	2F	0101111	/
48	30	0110000	0
49	31	0110001	1
50	32	0110010	2
51	33	0110011	3
52	34	0110100	4
53	35	0110101	5
54	36	0110110	6
55	37	0110111	7
56	38	0111000	8
57	39	0111001	9
58	3A	0111010	:
59	3B	0111011	;
60	3C	0111100	<
61	3D	0111101	=
62	3E	0111110	>
63	3F	0111111	?
64	40	1000000	@
65	41	1000001	A
66	42	1000010	B
67	43	1000011	C
68	44	1000100	D
69	45	1000101	E
70	46	1000110	F
71	47	1000111	G
72	48	1001000	H
73	49	1001001	I
74	4A	1001010	J
75	4B	1001011	K
76	4C	1001100	L
77	4D	1001101	M
78	4E	1001110	N
79	4F	1001111	O
80	50	1010000	P
81	51	1010001	Q
82	52	1010010	R
83	53	1010011	S
84	54	1010100	T
85	55	1010101	U
86	56	1010110	V
87	57	1010111	W
88	58	1011000	X
89	59	1011001	Y
90	5A	1011010	Z
91	5B	1011011	[
92	5C	1011100	\
93	5D	1011101	]
94	5E	1011110	^
95	5F	1011111	_
96	60	1100000	`
97	61	1100001	a
98	62	1100010	b
99	63	1100011	c
100	64	1100100	d
101	65	1100101	e
102	66	1100110	f
103	67	1100111	g
104	68	1101000	h
105	69	1101001	i
106	6A	1101010	j
107	6B	1101011	k
108	6C	1101100	l
109	6D	1101101	m
110	6E	1101110	n
111	6F	1101111	o
112	70	1110000	p
113	71	1110001	q
114	72	1110010	r
115	73	1110011	s
116	74	1110100	t
117	75	1110101	u
118	76	1110110	v
119	77	1110111	w
120	78	1111000	x
121	79	1111001	y
122	7A	1111010	z
123	7B	1111011	{
124	7C	1111100	\|
125	7D	1111101	}
126	7E	1111110	~
127	7F	1111111	DEL

About This Tool

Type a number in any base - binary (base 2), octal (base 8), decimal (base 10), or hexadecimal (base 16) - and see it converted to all other bases in real time. Handles arbitrarily large numbers using BigInt. Includes a searchable ASCII table showing decimal, hex, binary, and character values for codes 0-127.

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