How to use this tool
This tool runs in your browser and converts Arabic numerals to English and Japanese numerals (Kanji).
- When numbers are entered, they are automatically converted.
- English upper limit: trigintillion = 1093
- Japanese upper limit: 無量大数 = 1068
The number of digits separating English and Japanese is different
English separates numbers by 3 digits
| Number |
English |
| 1 |
One |
| 10 |
Ten |
| 100 |
Hundred |
| 1,000 |
One thousand |
| 10,000 |
Ten thousand |
| 100,000 |
Hundred thousand |
| 1,000,000 |
One million |
| 10,000,000 |
Ten million |
| 100,000,000 |
Hundred million |
Japanese separates numbers by 4 digits
| Number |
Japanese |
Pronunciation |
| 1 |
一 |
Ichi |
| 10 |
十 |
Juu |
| 100 |
百 |
Hyaku |
| 1000 |
千 |
Sen |
| 1,0000 |
一万 |
Ichi Man |
| 10,0000 |
十万 |
Juu Man |
| 100,0000 |
百万 |
Hyaku Man |
| 100,0000 |
千万 |
Sen Man |
| 1,0000,0000 |
一億 |
Ichi Oku |
Cheat sheet
| 10n |
Japanese |
English |
SI prefix |
| 103 |
|
thousand |
K (kilo) |
| 104 |
万 |
|
|
| 106 |
|
million |
M (mega) |
| 108 |
億 |
|
|
| 109 |
|
billion |
G (giga) |
| 1012 |
兆 |
trillion |
T (tera) |
| 1015 |
|
quadrillion |
P (peta) |
| 1016 |
京 |
|
|
| 1018 |
|
quintillion |
E (exa) |
| 1020 |
垓 |
|
|
| 1021 |
|
sextillion |
Z (zetta) |
| 1024 |
杼 |
septillion |
Y (yotta) |
| 1027 |
|
octillion |
|
| 1028 |
穣 |
|
|
| 1030 |
|
nonillion |
|
| 1032 |
溝 |
|
|
| 1033 |
|
decillion |
|
| 1036 |
澗 |
undecillion |
|
| 1039 |
|
duodecillion |
|
| 1040 |
正 |
|
|
| 1042 |
|
tredecillion |
|
| 1044 |
載 |
|
|
| 1045 |
|
quattuordecillion |
|
| 1048 |
極 |
quindecillion |
|
| 1051 |
|
sexdecillion |
|
| 1052 |
恒河沙 |
|
|
| 1054 |
|
septendecillion |
|
| 1056 |
阿僧祇 |
|
|
| 1057 |
|
octodecillion |
|
| 1060 |
那由他 |
novemdecillion |
|
| 1063 |
|
vigintillion |
|
| 1064 |
不可思議 |
|
|
| 1066 |
|
unvigintillion |
|
| 1068 |
無量大数 |
|
|
| 1069 |
|
duovigintillion |
|
| 1072 |
|
tresvigintillion |
|
| 1075 |
|
quattuorvigintillion |
|
| 1078 |
|
quinquavigintillion |
|
| 1081 |
|
sesvigintillion |
|
| 1084 |
|
septemvigintillion |
|
| 1087 |
|
octovigintillion |
|
| 1090 |
|
novemvigintillion |
|
| 1093 |
|
trigintillion |
|