On 2026-10-23, 1 Japanese Yen (JPY) = 0.001566 Kusama (KSM) at the mid-market rate. Conversely, 1 KSM = 638.49 JPY. Over the last 30 days the JPY/KSM rate moved between 0.00119 and 0.001569, a change of +16.95%.
This page shows the live mid-market rate from Japanese Yen (JPY) to Kusama (KSM), its history over the past year and ready-made conversion tables. Rates are updated twice a day; banks and card networks usually add a margin on top.
Over the last 30 days the JPY/KSM rate rose sharply (+16.95%): the JPY strengthened markedly against the KSM. Over the past 12 months it ranged from 0.0005263 (2025-11-11) to 0.002205 (2026-08-18), with an average of 0.001331. Today's rate is 17.69% above its one-year average: 1 JPY buys more KSM than usual. Day-to-day movements are large (average daily change of 3.33%), so the amount received can vary noticeably from one day to the next. The largest daily move of the last 30 days was -10.26% on 2026-09-30.
| Period | Date | 1 JPY = | Change |
|---|---|---|---|
| 1 week ago | 2026-10-16 | 0.001398 KSM | +11.99% |
| 1 month ago | 2026-09-23 | 0.001339 KSM | +16.95% |
| 3 months ago | 2026-07-18 | 0.001921 KSM | -18.48% |
| 6 months ago | 2026-04-24 | 0.001291 KSM | +21.33% |
| 1 year ago | 2025-10-23 | 0.0006201 KSM | +152.58% |
| Date | Japanese Yen | Kusama |
|---|---|---|
| Friday, 10/23/2026 | 1 JPY = | 0.001566 KSM |
| Thursday, 10/22/2026 | 1 JPY = | 0.001569 KSM |
| Wednesday, 10/21/2026 | 1 JPY = | 0.001469 KSM |
| Tuesday, 10/20/2026 | 1 JPY = | 0.001492 KSM |
| Monday, 10/19/2026 | 1 JPY = | 0.001503 KSM |
| Sunday, 10/18/2026 | 1 JPY = | 0.001487 KSM |
| Saturday, 10/17/2026 | 1 JPY = | 0.001417 KSM |
| Friday, 10/16/2026 | 1 JPY = | 0.001398 KSM |
| Thursday, 10/15/2026 | 1 JPY = | 0.001465 KSM |
| Wednesday, 10/14/2026 | 1 JPY = | 0.001357 KSM |
| JPY | KSM | JPY | KSM |
|---|---|---|---|
| 5 JPY = | 0.0078 KSM | 3192.4727 JPY = | 5 KSM |
| 10 JPY = | 0.0157 KSM | 6384.9454 JPY = | 10 KSM |
| 20 JPY = | 0.0313 KSM | 12769.8908 JPY = | 20 KSM |
| 50 JPY = | 0.0783 KSM | 31924.7271 JPY = | 50 KSM |
| 100 JPY = | 0.1566 KSM | 63849.4542 JPY = | 100 KSM |
| 300 JPY = | 0.4699 KSM | 191548.3627 JPY = | 300 KSM |
| 500 JPY = | 0.7831 KSM | 319247.2711 JPY = | 500 KSM |
| 1000 JPY = | 1.5662 KSM | 638494.5422 JPY = | 1000 KSM |
1 Japanese Yen is worth 0.001566 Kusama at the mid-market rate of 2026-10-23. 1 Kusama is worth 638.49 Japanese Yen.
100 JPY = 0.1566 KSM, and 100 KSM = 63,849.45 JPY (rate of 2026-10-23).
Over 30 days the rate went from 0.001339 to 0.001566 (+16.95%). The 30-day high was 0.001569 and the low was 0.00119.
One week ago 1 JPY was worth 0.001398 KSM; today it is worth 0.001566 KSM (+11.99%).
The highest rate of the past 12 months was 1 JPY = 0.002205 KSM on 2026-08-18; the lowest was 0.0005263 KSM on 2025-11-11.
XeConvert publishes daily mid-market reference rates aggregated from public market data and central bank sources. Banks, card issuers and exchange offices add a margin, so the rate you actually get may be slightly different.
The Japanese Yen is the official currency of Japan. Symbol: ¥. ISO 4217 code: JPY.
All Japanese Yen (JPY) exchange rates →