Decimal, Hexadecimal, and ASCII Table

This topic lists the hexadecimal and ASCII values and keys/effects corresponding to decimal numbers 0 to 127 and 251 to 255.

Dec	Hex	ASCII	Key(s)	Effect
000	00	NUL	CTRL+@
001	01	SOH	CTRL+A, HOME
002	02	STX	CTRL+B
003	03	ETX	CTRL+C
004	04	EOT	CTRL+D
005	05	ENQ	CTRL+E
006	06	ACK	CTRL+F, →
007	07	BEL	CTRL+G
008	08	BS	CTRL+H, BACKSPACE
009	09	HT	CTRL+I, TAB
010	0A	LF	CTRL+J, ↓	Line feed
011	0B	VT	CTRL+K
012	0C	FF	CTRL+L, CLEAR
013	0D	CR	CTRL+M, RETURN
014	0E	SO	CTRL+N
015	0F	SI	CTRL+O
016	10	DLE	CTRL+P
017	11	DC1	CTRL+Q	XON function
018	12	DC2	CTRL+R	Redisplay line
019	13	DC3	CTRL+S	XOFF function
020	14	DC4	CTRL+T
021	15	NAK	CTRL+U, ←
022	16	SYN	CTRL+V
023	17	ETB	CTRL+W
024	18	CAN	CTRL+X	Cancel line
025	19	EM	CTRL+Y, SHIFT+TAB	Disconnect
026	1A	SUB	CTRL+Z, ↑
027	1B	ESC	ESC, CTRL+[
028	1C	FS
029	1D	GS
030	1E	RS
031	1F	US
032	20	SPACE	SPACEbar
033	21	!	!
034	22	"	"
035	23	#	#
036	24	$	$
037	25	%	%
038	26	&	&
039	27	'	'
040	28	(	(
041	29	)	)
042	2A	*	*
043	2B	+	+
044	2C	,	,
045	2D	-	-
046	2E	.	.
047	2F	/	/
048	30	0	0
049	31	1	1
050	32	2	2
051	33	3	3
052	34	4	4
053	35	5	5
054	36	6	6
055	37	7	7
056	38	8	8
057	39	9	9
058	3A	:	:
059	3B	;	;
060	3C	<	<
061	3D	=	=
062	3E	>	>
063	3F	?	?
064	40	@	@
065	41	A	A
066	42	B	B
067	43	C	C
068	44	D	D
069	45	E	E
070	46	F	F
071	47	G	G
072	48	H	H
073	49	I	I
074	4A	J	J
075	4B	K	K
076	4C	L	L
077	4D	M	M
078	4E	N	N
079	4F	O	O
080	50	P	P
081	51	Q	Q
082	52	R	R
083	53	S	S
084	54	T	T
085	55	U	U
086	56	V	V
087	57	W	W
088	58	X	X
089	59	Y	Y
090	5A	Z	Z
091	5B	[	[
092	5C	\	\
093	5D	]	]
094	5E	^	^
095	5F	_	_
096	60	'	'
097	61	a	a
098	62	b	b
099	63	c	c
100	64	d	d
101	65	e	e
102	66	f	f
103	67	g	g
104	68	h	h
105	69	i	i
106	6A	j	j
107	6B	k	k
108	6C	l	l
109	6D	m	m
110	6E	n	n
111	6F	o	o
112	70	p	p
113	71	q	q
114	72	r	r
115	73	s	s
116	74	t	t
117	75	u	u
118	76	v	v
119	77	w	w
120	78	x	x
121	79	y	y
122	7A	z	z
123	7B	{	{
124	7C	|	|
125	7D	}	}
126	7E	~	~
127	7F	DEL	DELETE
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251	FB	[		SB: start buffer
252	FC	\	CTRL+\	SVM: subvalue mark
253	FD	]	CTRL+]	VM: value mark
254	FE	^	CTRL+^	AM: attribute mark
255	FF	_	CTRL+_	SM: segment mark