Data as of 2026-09-01. Sources: Gold API (XAG spot), Frankfurter (official FX rates).
30-day trend
Price per gram by purity
| Fineness | Purity | Price per gram |
|---|---|---|
| 999 (fine silver) | 99.9% | ¥343.4 |
| 958 (Britannia) | 95.8% | ¥329.3 |
| 925 (sterling) | 92.5% | ¥318 |
| 875 | 87.5% | ¥300.8 |
| 830 | 83.0% | ¥285.3 |
| 800 | 80.0% | ¥275 |
What it costs by weight
| Weight | 999 fine | 925 sterling |
|---|---|---|
| 1 gram | ¥343.8 | ¥318 |
| 10 grams | ¥3,437.5 | ¥3,179.7 |
| 1 troy ounce | ¥10,691.8 | ¥9,889.9 |
| 100 grams | ¥34,375 | ¥31,796.9 |
| 1 kilogram | ¥343,750.2 | ¥317,969 |
A troy ounce is 31.1035 grams — the unit exchanges quote silver in. A one-kilogram bar is 32.15 ounces, not 32.
Frequently asked questions
How much is silver in Japan today?
A gram of 999 silver in Japan works out at ¥343.8 at the official JPY rate — ¥10,691.8 an ounce and ¥343,750.2 a kilogram. That is the market calculation; shops and dealers charge more for markup and tax.
How much is a gram of silver in Japanese yen?
The computed price of one gram of 999 silver is ¥343.8 at the official JPY rate. Retail prices are higher by premiums, VAT and fees.
Why is silver more volatile than gold?
The silver market is smaller and more than half of demand is industrial (electronics, solar), so the price reacts more to the economic cycle.
What is 925 sterling silver?
Sterling silver is 92.5% silver with 7.5% alloy for durability. A gram of it works out at ¥318 against ¥343.8 for 999 fine. It is the jewellery standard; bars and coins use 999.
How much is an ounce of silver worth?
A troy ounce weighs 31.1035 grams and costs ¥10,691.8 in Japanese yen. Exchanges quote silver per ounce; bars are sold per kilogram, and a kilogram is 32.15 ounces.
Other currencies
Gold in the same currency: gold price in Japanese yen. The metal ratio — Gold/Silver Ratio.