日
学
夢
本
語
心
Ten
十
Ten
Kun-yomi 🇯🇵:
とお (tō)
(Japanese reading)
On-yomi 🇨🇳:
ジュウ (jū)
/
ジッ (ji)
(Chinese-derived reading)
Ten
Ten

Pronunciation rules

  • とお (tō) is the kun-yomi reading.
  • ジュウ (jū) and ジッ (ji) are the on-yomi readings. ジュウ is used in compounds like 十月 (じゅうがつ, jūgatsu: October) or 十分な (じゅうぶんな, jūbun na: enough).
  • As part of proper names and set phrases, readings may vary; learn common expressions like 十日 (とおか, tōka: the 10th day of a month).

Examples

On-yomiSino-Japanese Readings
十 です。
It's ten.
Uses on-yomi ジュウ (jū) when counting
十月
October
Uses on-yomi ジュウ (jū) in compound for months
十分な
enough
Uses on-yomi ジュウ (jū) in compound 十分な
十 月 に いきます。
I will go in October.
Uses on-yomi ジュウ (jū) in compound 十月
ExceptionIrregular Readings
十日
the 10th day of a month
Exception: 十日 reads as とおか for the tenth day of the month
十 日 です。
It's the 10th day.
Exception: 十日 reads as とおか for the tenth day of the month

Quick facts

  • Radical: 十 (itself)
  • Strokes: 2
  • Common compounds: 十月 (じゅうがつ, jūgatsu), 十分な (じゅうぶんな, jūbun na: enough)
  • ⚠️ Exceptions:
    • 十日 reads as とおか when meaning "the 10th day of a month".
    • 十月 reads as じゅうがつ (uses on-yomi ジュウ in compound).

Key Words

とお/じゅう - ten
十月 - october
十日 - the 10th day of a month
十分な - enough