300 in Japanese
三百
Updated May 2026
Where rendaku starts (300 ≠ san-hyaku)
NUMERAL
300
KANJI
三百
HIRAGANA
さんびゃく
ROMAJI
san-byaku
Build-by-place breakdown
Counter-attached forms
How 300 attaches to common counters. Each links to the per-counter deep-dive.
Real sentence examples
三百年前の建物です (san-byaku-nen mae no tatemono desu): it's a building from 300 years ago.
お会計は三百円です (o-kaikei wa san-byaku-en desu): the bill is 300 yen.
Pronunciation and morphology notes
Three hundred is san-byaku, not san-hyaku. This is rendaku, sequential voicing: the /h/ in hyaku voices to /b/ after san. The same rendaku pattern appears at san-bon (300 long objects, also written san-bon), san-biki (3 small animals), and san-zen (3000). Other hundreds-positions are: hyaku (100), ni-hyaku (200), san-byaku (300), yon-hyaku (400), go-hyaku (500), rop-pyaku (600, with gemination), nana-hyaku (700), hap-pyaku (800, with gemination), kyu-hyaku (900). 600 and 800 use gemination, not rendaku.
Related numbers
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