全角和半角字符字符Halfwidth and Fullwidth Forms

U+FF00 - U+FFEF

!U+FF01
"U+FF02
#U+FF03
$U+FF04
%U+FF05
&U+FF06
'U+FF07
(U+FF08
)U+FF09
*U+FF0A
+U+FF0B
,U+FF0C
-U+FF0D
.U+FF0E
/U+FF0F
0U+FF10
1U+FF11
2U+FF12
3U+FF13
4U+FF14
5U+FF15
6U+FF16
7U+FF17
8U+FF18
9U+FF19
:U+FF1A
;U+FF1B
<U+FF1C
=U+FF1D
>U+FF1E
?U+FF1F
@U+FF20
AU+FF21
BU+FF22
CU+FF23
DU+FF24
EU+FF25
FU+FF26
GU+FF27
HU+FF28
IU+FF29
JU+FF2A
KU+FF2B
LU+FF2C
MU+FF2D
NU+FF2E
OU+FF2F
PU+FF30
QU+FF31
RU+FF32
SU+FF33
TU+FF34
UU+FF35
VU+FF36
WU+FF37
XU+FF38
YU+FF39
ZU+FF3A
[U+FF3B
\U+FF3C
]U+FF3D
^U+FF3E
_U+FF3F
`U+FF40
aU+FF41
bU+FF42
cU+FF43
dU+FF44
eU+FF45
fU+FF46
gU+FF47
hU+FF48
iU+FF49
jU+FF4A
kU+FF4B
lU+FF4C
mU+FF4D
nU+FF4E
oU+FF4F
pU+FF50
qU+FF51
rU+FF52
sU+FF53
tU+FF54
uU+FF55
vU+FF56
wU+FF57
xU+FF58
yU+FF59
zU+FF5A
{U+FF5B
|U+FF5C
}U+FF5D
~U+FF5E
⦅U+FF5F
⦆U+FF60
。U+FF61
「U+FF62
」U+FF63
、U+FF64
・U+FF65
ヲU+FF66
ァU+FF67
ィU+FF68
ゥU+FF69
ェU+FF6A
ォU+FF6B
ャU+FF6C
ュU+FF6D
ョU+FF6E
ッU+FF6F
ーU+FF70
アU+FF71
イU+FF72
ウU+FF73
エU+FF74
オU+FF75
カU+FF76
キU+FF77
クU+FF78
ケU+FF79
コU+FF7A
サU+FF7B
シU+FF7C
スU+FF7D
セU+FF7E
ソU+FF7F
タU+FF80
チU+FF81
ツU+FF82
テU+FF83
トU+FF84
ナU+FF85
ニU+FF86
ヌU+FF87
ネU+FF88
ノU+FF89
ハU+FF8A
ヒU+FF8B
フU+FF8C
ヘU+FF8D
ホU+FF8E
マU+FF8F
ミU+FF90
ムU+FF91
メU+FF92
モU+FF93
ヤU+FF94
ユU+FF95
ヨU+FF96
ラU+FF97
リU+FF98
ルU+FF99
レU+FF9A
ロU+FF9B
ワU+FF9C
ンU+FF9D
゙U+FF9E
゚U+FF9F
ᅠU+FFA0
ᄀU+FFA1
ᄁU+FFA2
ᆪU+FFA3
ᄂU+FFA4
ᆬU+FFA5
ᆭU+FFA6
ᄃU+FFA7
ᄄU+FFA8
ᄅU+FFA9
ᆰU+FFAA
ᆱU+FFAB
ᆲU+FFAC
ᆳU+FFAD
ᆴU+FFAE
ᆵU+FFAF
ᄚU+FFB0
ᄆU+FFB1
ᄇU+FFB2
ᄈU+FFB3
ᄡU+FFB4
ᄉU+FFB5
ᄊU+FFB6
ᄋU+FFB7
ᄌU+FFB8
ᄍU+FFB9
ᄎU+FFBA
ᄏU+FFBB
ᄐU+FFBC
ᄑU+FFBD
ᄒU+FFBE
ᅡU+FFC2
ᅢU+FFC3
ᅣU+FFC4
ᅤU+FFC5
ᅥU+FFC6
ᅦU+FFC7
ᅧU+FFCA
ᅨU+FFCB
ᅩU+FFCC
ᅪU+FFCD
ᅫU+FFCE
ᅬU+FFCF
ᅭU+FFD2
ᅮU+FFD3
ᅯU+FFD4
ᅰU+FFD5
ᅱU+FFD6
ᅲU+FFD7
ᅳU+FFDA
ᅴU+FFDB
ᅵU+FFDC
¢U+FFE0
£U+FFE1
¬U+FFE2
 ̄U+FFE3
¦U+FFE4
¥U+FFE5
₩U+FFE6
│U+FFE8
←U+FFE9
↑U+FFEA
→U+FFEB
↓U+FFEC
■U+FFED
○U+FFEE

全角和半角,是计算机中,中、日、韩文的CJKV字符的显示格式。
传统上,英语或拉丁字母语言使用的计算机系统,每一个字母或符号,都是使用一字节的空间(一字节由8比特组成,共256个编码空间)来储存;而汉语、日语及韩语文字,由于数量大大超过256个,故惯常使用两字节来储存一个字符。在使用等宽字体(如DOS、部分文字编辑器等)的环境下,中日韩文字此时占据两倍于西文字符的显示宽度。所以,中、日、韩等文字称为全角字符,相比起来,拉丁字母或数字就称为半角字符。有时为了使字体看起来齐整,英文字母、数字及其他符号也由原来只占一个字空间,改为占用两个字的空间显示、使用两个字节储存的格式。
JIS X 0201编码表把日语的片假名放进一字节的空间,故又称为“半角片假名”。