I datorer lagras O samt förkomponerade bokstäver med O som bas och vissa andra varianter av O med följande kodpunkter:
| Unicode |
Liten
bokstav |
|
Unicode |
Stor
bokstav |
|
Används bl.a. i följande språk |
| U+006F |
o |
LATIN SMALL LETTER O |
U+004F |
O |
LATIN CAPITAL LETTER O |
de flesta där latinskt alfabet används |
| U+1D52 |
ᵒ |
MODIFIER LETTER SMALL O |
|
|
|
(inte att förväxla med U+00B0 (°) DEGREE SIGN) |
| U+00BA |
º |
MASCULINE ORDINAL INDICATOR |
|
|
|
(egentligen samma som U+1D52, se föregående rad, men denna är ibland understruken) Förkortning av ordningstal i bl.a. italienska, spanska.[1] |
| U+00F3 |
ó |
LATIN SMALL LETTER O WITH ACUTE |
U+00D3 |
Ó |
LATIN CAPITAL LETTER O WITH ACUTE |
isländska, färöiska, pinyin, spanska, portugisiska, polska, slovakiska, ungerska |
| U+00F2 |
ò |
LATIN SMALL LETTER O WITH GRAVE |
U+00D2 |
Ò |
LATIN CAPITAL LETTER O WITH GRAVE |
italienska, pinyin |
| U+014F |
ŏ |
LATIN SMALL LETTER O WITH BREVE |
U+014E |
Ŏ |
LATIN CAPITAL LETTER O WITH BREVE |
|
| U+00F4 |
ô |
LATIN SMALL LETTER O WITH CIRCUMFLEX |
U+00D4 |
Ô |
LATIN CAPITAL LETTER O WITH CIRCUMFLEX |
franska, slovakiska |
| U+1ED1 |
ố |
LATIN SMALL LETTER O WITH CIRCUMFLEX AND ACUTE |
U+1ED0 |
Ố |
LATIN CAPITAL LETTER O WITH CIRCUMFLEX AND ACUTE |
vietnamesiska |
| U+1ED3 |
ồ |
LATIN SMALL LETTER O WITH CIRCUMFLEX AND GRAVE |
U+1ED2 |
Ồ |
LATIN CAPITAL LETTER O WITH CIRCUMFLEX AND GRAVE |
vietnamesiska |
| U+1ED7 |
ỗ |
LATIN SMALL LETTER O WITH CIRCUMFLEX AND TILDE |
U+1ED6 |
Ỗ |
LATIN CAPITAL LETTER O WITH CIRCUMFLEX AND TILDE |
vietnamesiska |
| U+1ED5 |
ổ |
LATIN SMALL LETTER O WITH CIRCUMFLEX AND HOOK ABOVE |
U+1ED4 |
Ổ |
LATIN CAPITAL LETTER O WITH CIRCUMFLEX AND HOOK ABOVE |
vietnamesiska |
| U+01D2 |
ǒ |
LATIN SMALL LETTER O WITH CARON |
U+01D1 |
Ǒ |
LATIN CAPITAL LETTER O WITH CARON |
pinyin |
| U+00F6 |
ö |
LATIN SMALL LETTER O WITH DIAERESIS |
U+00D6 |
Ö |
LATIN CAPITAL LETTER O WITH DIAERESIS |
svenska, finska, isländska, tyska, ungerska, turkiska |
| U+022B |
ȫ |
LATIN SMALL LETTER O WITH DIAERESIS AND MACRON |
U+022A |
Ȫ |
LATIN CAPITAL LETTER O WITH DIAERESIS AND MACRON |
|
| U+0151 |
ő |
LATIN SMALL LETTER O WITH DOUBLE ACUTE |
U+0150 |
Ő |
LATIN CAPITAL LETTER O WITH DOUBLE ACUTE |
ungerska |
| U+00F5 |
õ |
LATIN SMALL LETTER O WITH TILDE |
U+00D5 |
Õ |
LATIN CAPITAL LETTER O WITH TILDE |
portugisiska, estniska, liviska |
| U+1E4D |
ṍ |
LATIN SMALL LETTER O WITH TILDE AND ACUTE |
U+1E4C |
Ṍ |
LATIN CAPITAL LETTER O WITH TILDE AND ACUTE |
|
| U+1E4F |
ṏ |
LATIN SMALL LETTER O WITH TILDE AND DIAERESIS |
U+1E4E |
Ṏ |
LATIN CAPITAL LETTER O WITH TILDE AND DIAERESIS |
|
| U+022D |
ȭ |
LATIN SMALL LETTER O WITH TILDE AND MACRON |
U+022C |
Ȭ |
LATIN CAPITAL LETTER O WITH TILDE AND MACRON |
liviska |
| U+022F |
ȯ |
LATIN SMALL LETTER O WITH DOT ABOVE |
U+022E |
Ȯ |
LATIN CAPITAL LETTER O WITH DOT ABOVE |
liviska |
| U+0230 |
Ȱ |
LATIN CAPITAL LETTER O WITH DOT ABOVE AND MACRON |
U+0231 |
ȱ |
LATIN SMALL LETTER O WITH DOT ABOVE AND MACRON |
liviska |
| U+00F8 |
ø |
LATIN SMALL LETTER O WITH STROKE |
U+00D8 |
Ø |
LATIN CAPITAL LETTER O WITH STROKE |
danska, norska, färöiska |
| U+01FF |
ǿ |
LATIN SMALL LETTER O WITH STROKE AND ACUTE |
U+01FE |
Ǿ |
LATIN CAPITAL LETTER O WITH STROKE AND ACUTE |
danska (sällsynt, finns i till exempel ordet gǿr) |
| U+01EB |
ǫ |
LATIN SMALL LETTER O WITH OGONEK |
U+01EA |
Ǫ |
LATIN CAPITAL LETTER O WITH OGONEK |
samiska, isländska (äldre ortografi), dogrib |
| U+01ED |
ǭ |
LATIN SMALL LETTER O WITH OGONEK AND MACRON |
U+01EC |
Ǭ |
LATIN CAPITAL LETTER O WITH OGONEK AND MACRON |
|
| U+014D |
ō |
LATIN SMALL LETTER O WITH MACRON |
U+014C |
Ō |
LATIN CAPITAL LETTER O WITH MACRON |
lettiska, liviska, pinyin |
| U+1E53 |
ṓ |
LATIN SMALL LETTER O WITH MACRON AND ACUTE |
U+1E52 |
Ṓ |
LATIN CAPITAL LETTER O WITH MACRON AND ACUTE |
|
| U+1E51 |
ṑ |
LATIN SMALL LETTER O WITH MACRON AND GRAVE |
U+1E50 |
Ṑ |
LATIN CAPITAL LETTER O WITH MACRON AND GRAVE |
|
| U+1ECF |
ỏ |
LATIN SMALL LETTER O WITH HOOK ABOVE |
U+1ECE |
Ỏ |
LATIN CAPITAL LETTER O WITH HOOK ABOVE |
vietnamesiska |
| U+020D |
ȍ |
LATIN SMALL LETTER O WITH DOUBLE GRAVE |
U+020C |
Ȍ |
LATIN CAPITAL LETTER O WITH DOUBLE GRAVE |
slovenska, kroatiska |
| U+020F |
ȏ |
LATIN SMALL LETTER O WITH INVERTED BREVE |
U+020E |
Ȏ |
LATIN CAPITAL LETTER O WITH INVERTED BREVE |
slovenska, kroatiska |
| U+01A1 |
ơ |
LATIN SMALL LETTER O WITH HORN |
U+01A0 |
Ơ |
LATIN CAPITAL LETTER O WITH HORN |
vietnamesiska |
| U+1EDB |
ớ |
LATIN SMALL LETTER O WITH HORN AND ACUTE |
U+1EDA |
Ớ |
LATIN CAPITAL LETTER O WITH HORN AND ACUTE |
vietnamesiska |
| U+1EDD |
ờ |
LATIN SMALL LETTER O WITH HORN AND GRAVE |
U+1EDC |
Ờ |
LATIN CAPITAL LETTER O WITH HORN AND GRAVE |
vietnamesiska |
| U+1EE1 |
ỡ |
LATIN SMALL LETTER O WITH HORN AND TILDE |
U+1EE0 |
Ỡ |
LATIN CAPITAL LETTER O WITH HORN AND TILDE |
vietnamesiska |
| U+1EDF |
ở |
LATIN SMALL LETTER O WITH HORN AND HOOK ABOVE |
U+1EDE |
Ở |
LATIN CAPITAL LETTER O WITH HORN AND HOOK ABOVE |
vietnamesiska |
| U+1EE3 |
ợ |
LATIN SMALL LETTER O WITH HORN AND DOT BELOW |
U+1EE2 |
Ợ |
LATIN CAPITAL LETTER O WITH HORN AND DOT BELOW |
vietnamesiska |
| U+1ECD |
ọ |
LATIN SMALL LETTER O WITH DOT BELOW |
U+1ECC |
Ọ |
LATIN CAPITAL LETTER O WITH DOT BELOW |
vietnamesiska |
| U+1ED9 |
ộ |
LATIN SMALL LETTER O WITH CIRCUMFLEX AND DOT BELOW |
U+1ED8 |
Ộ |
LATIN CAPITAL LETTER O WITH CIRCUMFLEX AND DOT BELOW |
vietnamesiska |
| U+0153 |
œ |
LATIN SMALL LIGATURE OE |
U+0152 |
Œ |
LATIN CAPITAL LIGATURE OE |
franska, engelska |
| U+0223 |
ȣ |
LATIN SMALL LETTER OU |
U+0222 |
Ȣ |
LATIN CAPITAL LETTER OU |
algonkinska, huron |
| U+0275 |
ɵ |
LATIN SMALL LETTER BARRED O |
|
|
|
IPA |
|
|
|
U+0276 |
ɶ |
LATIN LETTER SMALL CAPITAL OE |
IPA |
| U+00A4 |
¤ |
CURRENCY SIGN |
|
|
|
”generisk” valutasymbol, uppfanns som ”ersättning” för $-tecknet i ASCII för ISO/IEC 646 |
I ASCII-baserade kodningar lagras O med värdet 0x4F (hexadecimalt) och o med värdet 0x6F (hexadecimalt). I EBCDIC-baserade kodningar lagras O med värdet 0xD6 (hexadecimalt) och o med värdet 0x96 (hexadecimalt). Övriga varianter av O lagras med olika värden beroende på vilken kodning som används, om de alls kan representeras.