Physical Keyboard Layouts (Hardware Layout) - ANSI, ISO, JIS, KS, ABNT2
Data: 2025-10-19
Physical keyboard layout standard – defines the arrangement and shape of keys, including their sizes, spacing, and functions.
ANSI
-
ANSI (American National Standards Institute)
The ANSI standard was formally defined in the American technical specification INCITS 154-1988, approved by ANSI. It features a horizontal (single-row) Enter key, a long left Shift key, and no additional key next to it.
Esc
~
1
2
3
4
5
6
7
8
9
0
-
=
←
Tab
Q
W
E
R
T
Y
U
I
O
P
[
]
\
Caps
A
S
D
F
G
H
J
K
L
;
'
Enter
Shift
Z
X
C
V
B
N
M
,
.
/
Shift
Ctrl
Fn
Win
Alt
Space
Alt
Ctrl
ISO
-
ISO (International Organization for Standardization)
European standard. Features a vertical (two-row) Enter key, a shorter left Shift, and an additional key next to it.
Esc
~
1
2
3
4
5
6
7
8
9
0
-
=
←
Tab
Q
W
E
R
T
Y
U
I
O
P
[
]
Enter
Caps
A
S
D
F
G
H
J
K
L
;
'
\
Shift
<
Z
X
C
V
B
N
M
,
.
/
Shift
Ctrl
Fn
Win
Alt
Space
Alt
Ctrl
-
JIS (Japanese Industrial Standard)
Japanese layout. Includes extra keys for Japanese writing systems (kana, kanji), a smaller Enter key, and modified key placement. -
KS (Korean Standard)
Korean layout. Contains keys for entering Hangul characters. Physically similar to ANSI but with additional language-specific keys. -
ABNT2 (Associação Brasileira de Normas Técnicas)
Brazilian layout. ISO variant with an extra “<” key next to the left Shift and a dedicated “Ç” key. Facilitates typing in Portuguese.