2026-09-18: 100 yen = ₩879 (European Central Bank reference rate, +0.9% over 7 days). Below: Korean bank buy and sell rates, a 68-day chart, a converter and conversion tables. Updated every morning (2026-09-20).
Converter
Korean bank rates — mid, buy, sell
| KRW per 100 yen | |
|---|---|
| Bank mid rate (매매기준율) | ₩885 |
| You buy JPY by wire (bank sells) | ₩894 |
| You sell JPY by wire (bank buys) | ₩876 |
| ECB reference | ₩879 |
Korean bank rates as of 2026-09-18 (Korea Eximbank). Cash at a counter is worse than the wire rates — banks add a cash fee on top; the counter’s board is the real price.
JPY → KRW, last 68 trading days
68 trading days, 2026-06-17 to 2026-09-18 · high ₩959 · low ₩854 · ECB reference rate.
Conversion tables
| JPY | KRW |
|---|---|
| ¥1,000 | ₩8,792 |
| ¥5,000 | ₩43,958 |
| ¥10,000 | ₩87,916 |
| ¥50,000 | ₩439,578 |
| ¥100,000 | ₩879,156 |
| KRW | JPY |
|---|---|
| ₩10,000 | 1,137 JPY |
| ₩50,000 | 5,687 JPY |
| ₩100,000 | 11,375 JPY |
| ₩500,000 | 56,873 JPY |
| ₩1,000,000 | 113,745 JPY |
Other currencies
- US dollar
- Chinese yuan
- Euro
- British pound
- Hong Kong dollar
- Singapore dollar
- Thai baht
- Philippine peso
- Malaysian ringgit
- Indonesian rupiah
- Indian rupee
- Australian dollar
- New Zealand dollar
- Canadian dollar
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FAQ
How much is 100 yen in Korean won?
₩879 at the ECB reference rate of 2026-09-18. A bank or exchange counter in Korea pays a little less for cash.
Is the japanese yen going up or down against the won?
Over the last 7 trading days the japanese yen is up 0.9% against the won, and up 0.5% over 30 days. See the chart for the full window.
Should I exchange yen at home or in Korea?
Japanese yens get the tightest spread in Korea — every counter takes them, so exchanging in Seoul (Myeong-dong, Dongdaemun, Hongdae) usually beats a home bank.
Sources: European Central Bank reference rate via frankfurter.dev · Korea Eximbank daily rates · page updated 2026-09-20.