Arithmetic¶

Assuming you already mastered hiragana or katakana, you can derive its japanese character equivalent based on its romanized counterpart (romaji).

Bullet format will be as follows:

Romaji
Syllable Pronunciation
Hiragana/Katakana

Notice:

The “chi” syllable in romaji is the same as “ti” in hiragana.
The “shi” syllable in romaji is the same as “si” in hiragana.

Cardinal Numbers¶

Zero:

rei
re-i
れい

One:

ichi
i-chi
いち

Two:

ni
ni
に

Three:

san
sa-n
さん

Four:

shi, yon after 10
shi, yo-n
し or よん

Five:

go
go
ご

Six:

roku
ro-ku
ろく

Seven:

shichi, nana after 10
shi-chi, na-na
しち or なな

Eight:

hachi
ha-chi
はち

Nine:

ku, kyuu
ku, ki-yu-u
く or きゅう

Ten:

juu
zi-yu-u
じゅう

Eleven:

juuchi
zi-yu-u-i-chi
じゅういち

Twelve:

juuni
zi-yu-u-ni
じゅうに

Thirteen:

juusan
zi-yu-u-sa-n
じゅうさん

Fourteen:

juushi, juuyon
zi-yu-u-shi , zi-yu-u-yo-n
じゅうち or じゅうよん

Fifteen:

juugo
zi-yu-u-go
じゅうご

Sixteen:

juuroku
zi-yu-u-ro-ku
じゅうろく

Seventeen:

juushichi, juunana
zi-yu-u-shi-chi, zi-yu-u-na-na
じゅうしち or じゅうなな

Eighteen:

juuhachi
zi-yu-u-ha-chi
じゅうはち

Nineteen:

juuku, juukyuu
zi-yu-u-ku, zi-yu-u-ki-yu-u
じゅうく or じゅうきゅう

Twenty:

nijuu
ni-zi-yu-u
にじゅう

Twenty-One:

nijuuichi
ni-zi-yu-u-i-chi
にじゅういち

Twenty-Two:

nijuuni
ni-zi-yu-u-ni
にじゅうに

Twenty-Three:

nijuusan
ni-zi-yu-u-sa-n
にじゅうさん

Twenty-Four:

nijuushi, nijuuyon
ni-zi-yu-u-shi, ni-zi-yu-u-yo-n
にじゅうし or にじゅうよん

Twenty-Five:

nijuugo
ni-zi-yu-u-go
にじゅうご

Twenty-Six:

nijuuroky
ni-zi-yu-u-ro-ku
にじゅうろく

Twenty-Seven:

nijuushichi, nijuunana
ni-zi-yu-u-shi-chi, ni-zi-yu-u-na-na
にじゅうしち or にじゅうなな

Twenty-Eight:

nijuuhachi
ni-zi-yu-u-ha-chi
にじゅうはち

Twenty-Nine:

nijuuku, nijuukyuu
ni-zi-yu-u-ku, ni-zi-yu-u-ki-yu-u
にじゅうく or にじゅうきゅう

Thirty:

sanjuu
sa-n-zi-yu-u
さんじゅう

Thirty-One:

sanjuuichi
sa-n-zi-yu-u-i-chi
さんじゅういち

Thiry-Two:

sanjuuni
sa-n-zi-yu-u-ni
さんじゅうに

Thirty-Three:

sanjuusan
sa-n-zi-yu-u-sa-n
さんじゅうさん

Forty:

yonjuu
yo-n-zi-yu-u
よんじゅう

Fifty:

gojuu
go-zi-yu-u
ごじゅう

Sixty:

rokujuu
ro-ku-zi-yu-u
ろくじゅう

Seventy:

nanajuu
na-na-zi-yu-u
ななじゅう

Eighty:

hachijuu
ha-chi-zi-yu-u
はちじゅう

Ninety:

kyuujuu
ki-yu-u-zi-yu-u
きゅうじゅう

One Hundred:

hyaku
hi-ya-ku
ひやく

One Hundred and One:

hyakuichi
hi-ya-ku-i-chi
ひやくいち

One Hundred and Two:

hyakuichi
hi-ya-ku-i-chi
ひやくに

One Hundred and Ten:

hyakujuu
hi-ya-ku-zi-yu-u
ひゃくじゅう

One Hundred and Twenty:

hyakunijuu
hi-ya-ku-ni-zi-yu-u
ひゃくにじゅう

Two Hundred:

nihyaku
ni-hi-ya-ku
にひゃく

Two Hundred and One:

nihyakuichi
ni-hi-ya-ku-i-chi
にひやくいち

Two Hundred and Ten:

nihyakujuu
ni-hi-ya-ku-zi-yu-u
にひゃくじゅう

Three Hundred:

sanbyaku
sa-n-bi-ya-ku
さんびやく

Four Hundred:

yonhyaku
yo-n-hi-ya-ku
よんひゃく

Five Hundred:

gokyaku
go-hi-ya-ku
ごひゃく

Six Hundred

roppyaku
ro-tu-pi-ya-ku
ろっぴゃく

Seven Hundred

nanakyaku
na-na-ki-ya-ku
ななひゃく

Eight Hundred:

happyaku
ha-tu-pi-ya-ku
はっぴゃく

Nine Hundred:

kyuuhyaku
ki-yu-u-hi-ya-ku
きゅうひゃく

One Thousand: - sen - se-n - せん

One Thousand and One:

sen ichi
se-n i-chi
せんいち

One Thousand and Ten:

sen juu
se-n zi-yu-u
せんじゅう

One Thousand Three Hundred:

sen sanbyaku
se-n sa-n-bi-ya-ku
せんさんびゃく

Two Thousand:

nisen
ni-se-n
にせん

Two Thousand and One:

nisen ichi
ni-se-n-i-chi
にせんいち

Two Thousand Four Hundred:

nisen yonhyaku
ni-se-n yo-n-hi-ya-ku
にせんよんひゃく

Three Thousand:

sanzen
sa-n-ze-n
さんぜん

Four Thousand

yonsen
yo-n-se-n
よんせん

Five Thousand:

gosen
go-se-n
ごせん

Six Thousand:

rokusen
ro-ku-se-n
ろくせん

Seven Thousand:

nanasen
na-na-se-n
ななせん

Eight Thousand:

hassen
ha-tu-se-n
はっせん

Nine Thousand:

kyuusen
ki-yu-u-se-n
きゅうせん

Ten Thousand:

ichiman
i-chi-ma-n
いちまん

Ten Thousand and One:

ichiman ichi
i-chi-ma-n i-chi
いちまんいち

Ten Thousand Ten:

ichiman juu
i-chi-ma-n zi-yu-u
いちまんじゅう

Ten Thousand Two Hundred:

ichiman nihyaku
i-chi-ma-n ni-hi-ya-ku
いちまんにひゃく

Eleven Thousand:

ichiman sen
i-chi-ma-n se-n
いちまんせん

Twelve Thousand:

ichiman nisen
i-chi-ma-n ni-se-n
いちまんにせん

Thirteen Thousand:

ichiman sanzen
i-chi-ma-n sa-n-ze-n
いちまんさんぜん

Forteen Thousand:

ichiman yonsen
i-chi-ma-n yo-n-se-n
いちまんよんせん

Fifteen Thousand:

ichiman gosen
i-chi-ma-n go-se-n
いちまんごせん

Sixteen Thousand:

ichiman rokusen
i-chi-ma-n ro-ku-se-n
いちまんろくせん

Seventeen Thousand:

ichiman nanasen
i-chi-ma-n na-na-se-n
いちまんななせん

Eighteen Thousand:

ichiman hassen
i-chi-ma-n ha-tu-se-n
いちまんはっせん

Nineteen Thousand:

ichiman kyuusen
i-chi-ma-n ki-yu-u-se-n
いちまんきゅうせん

Twenty Thousand:

niman
ni-ma-n
にまん

Thirty Thousand:

sanman
sa-n-ma-n
さんまん

Forty Thousand:

yonman
yo-n-ma-n
よんまん

Fifty Thousand:

goman
go-ma-n
ごまん

Sixty Thousand:

rokuman
ro-ku-ma-n
ろくまん

Seventy Thousand:

nanaman
na-na-ma-n
ななまん

Eighty Thousand:

hachiman
ha-chi-ma-n
はちまん

Ninety Thousand:

kyuuman
ki-yu-u-ma-n
きゅうまん

One Hundred Thousand:

juuman
zi-yu-u-ma-n
じゅうまん

Two Hundred Thousand:

nijuuman
ni-zi-yu-u-ma-n
にじゅうまん

One Million:

hyakuman
hi-ya-ku-ma-n
ひゃくまん

One Million and One:

hyakuman ichi
hi-ya-ku i-chi
ひゃくまんいち

One Million and Two:

hyakuman ni
hi-ya-ku ni
ひゃくまんに

Two Million:

nihyakuman
ni-hi-ya-ky-ma-n
にひゃくまん

Three Million:

sanbyakuman
sa-n-bi-ya-ku-ma-n
さんびゃくまん

One Hundred Million:

ichioku
i-chi-o-ku
いちおく

One Billion:

juuoku
zi-yu-u-o-ku
じゅうおく

Two Billion:

nijuuoku
ni-zi-yu-u-o-ku
にじゅうおく

Ten Billion:

hyakuoku
hi-ya-ku-o-ku
ひゃくおく

One Hundred Billion

sen oku
se-n o-ku
せんおく

One Trillion:

itchou
i-chi-chi-yo-u
いちちょう

Two Trillion:

nichou
ni-chi-yo-u
にちょう

Alternate System for Cardinal Numbers¶