ASCII Table

Dec

Hex

Binary

Char

0

0x00

00 00000

NUL

1

0x01

00 00001

SOH

2

0x02

00 00010

STX

3

0x03

00 00011

ETX

4

0x04

00 00100

EOT

5

0x05

00 00101

ENQ

6

0x06

00 00110

ACK

7

0x07

00 00111

BEL

8

0x08

00 01000

BS

9

0x09

00 01001

HT

10

0x0a

00 01010

LF

11

0x0b

00 01011

VT

12

0x0c

00 01100

FF

13

0x0d

00 01101

CR

14

0x0e

00 01110

SO

15

0x0f

00 01111

SI

16

0x10

00 10000

DLE

17

0x11

00 10001

DC1

18

0x12

00 10010

DC2

19

0x13

00 10011

DC3

20

0x14

00 10100

DC4

21

0x15

00 10101

NAK

22

0x16

00 10110

SYN

23

0x17

00 10111

ETB

24

0x18

00 11000

CAN

25

0x19

00 11001

EM

26

0x1a

00 11010

SUB

27

0x1b

00 11011

ESC

28

0x1c

00 11100

FS

29

0x1d

00 11101

GS

30

0x1e

00 11110

RS

31

0x1f

00 11111

US

Dec

Hex

Binary

Char

32

0x20

01 00000

SPACE

33

0x21

01 00001

!

34

0x22

01 00010

"

35

0x23

01 00011

#

36

0x24

01 00100

$

37

0x25

01 00101

%

38

0x26

01 00110

&

39

0x27

01 00111

'

40

0x28

01 01000

(

41

0x29

01 01001

)

42

0x2a

01 01010

*

43

0x2b

01 01011

+

44

0x2c

01 01100

,

45

0x2d

01 01101

-

46

0x2e

01 01110

.

47

0x2f

01 01111

/

48

0x30

01 10000

0

49

0x31

01 10001

1

50

0x32

01 10010

2

51

0x33

01 10011

3

52

0x34

01 10100

4

53

0x35

01 10101

5

54

0x36

01 10110

6

55

0x37

01 10111

7

56

0x38

01 11000

8

57

0x39

01 11001

9

58

0x3a

01 11010

:

59

0x3b

01 11011

;

60

0x3c

01 11100

<

61

0x3d

01 11101

=

62

0x3e

01 11110

>

63

0x3f

01 11111

?

Dec

Hex

Binary

Char

64

0x40

10 00000

@

65

0x41

10 00001

A

66

0x42

10 00010

B

67

0x43

10 00011

C

68

0x44

10 00100

D

69

0x45

10 00101

E

70

0x46

10 00110

F

71

0x47

10 00111

G

72

0x48

10 01000

H

73

0x49

10 01001

I

74

0x4a

10 01010

J

75

0x4b

10 01011

K

76

0x4c

10 01100

L

77

0x4d

10 01101

M

78

0x4e

10 01110

N

79

0x4f

10 01111

O

80

0x50

10 10000

P

81

0x51

10 10001

Q

82

0x52

10 10010

R

83

0x53

10 10011

S

84

0x54

10 10100

T

85

0x55

10 10101

U

86

0x56

10 10110

V

87

0x57

10 10111

W

88

0x58

10 11000

X

89

0x59

10 11001

Y

90

0x5a

10 11010

Z

91

0x5b

10 11011

[

92

0x5c

10 11100

\

93

0x5d

10 11101

]

94

0x5e

10 11110

^

95

0x5f

10 11111

_

Dec

Hex

Binary

Char

96

0x60

11 00000

`

97

0x61

11 00001

a

98

0x62

11 00010

b

99

0x63

11 00011

c

100

0x64

11 00100

d

101

0x65

11 00101

e

102

0x66

11 00110

f

103

0x67

11 00111

g

104

0x68

11 01000

h

105

0x69

11 01001

i

106

0x6a

11 01010

j

107

0x6b

11 01011

k

108

0x6c

11 01100

l

109

0x6d

11 01101

m

110

0x6e

11 01110

n

111

0x6f

11 01111

o

112

0x70

11 10000

p

113

0x71

11 10001

q

114

0x72

11 10010

r

115

0x73

11 10011

s

116

0x74

11 10100

t

117

0x75

11 10101

u

118

0x76

11 10110

v

119

0x77

11 10111

w

120

0x78

11 11000

x

121

0x79

11 11001

y

122

0x7a

11 11010

z

123

0x7b

11 11011

{

124

0x7c

11 11100

|

125

0x7d

11 11101

}

126

0x7e

11 11110

~

127

0x7f

11 11111

DEL

The binary representation has the most significant bit first (“big endian”).
ASCII is 7-bit; because many have called encodings such as CP437, ISO-8859-1, CP-1252, and others “extended ASCII” some are under the misapprehension that ASCII is 8-bit (1 byte).