10K gold price in Japan today
On November 5, 2026, 10K gold in Japan costs 8,702.77 JPY per gram and 270,686 JPY per troy ounce, based on the live international spot price.
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10K gold price in JPY by weight
| Weight | Spot value | Buy (bid) | Sell (ask) |
|---|---|---|---|
| 1 g | 8,702.77 | 8,528.71 | 8,876.82 |
| 5 g | 43,513.83 | 42,643.55 | 44,384.10 |
| 8 g | 69,622.12 | 68,229.68 | 71,014.56 |
| 10 g | 87,027.65 | 85,287.10 | 88,768.20 |
| Troy ounce | 270,686 | 265,273 | 276,100 |
| Tola | 101,507 | 99,477.20 | 103,537 |
| Kilogram | 8,702,765 | 8,528,710 | 8,876,820 |
What is 10K gold?
10K gold is 41.7% pure (hallmark 417), the minimum that can legally be sold as "gold" in the United States. It is durable and affordable.
The 10K price is calculated as the 24K price multiplied by 0.417. Today that gives 20,869.94 × 0.417 = 8,702.77 JPY per gram.
Quick calculator
JPY exchange rate
| 1 USD | 158.3779 JPY |
|---|---|
| 1 EUR | 177.9703 JPY |
| 1 GBP | 213.3564 JPY |
Gold spot price trend (USD/oz)
How the gold price in Japan is calculated
We take the live spot price of 4,098.60 USD per troy ounce, divide it by 31.1035 to get 131.77 USD per gram of pure gold, and multiply by today’s exchange rate of 158.3779 JPY per dollar. That gives 20,869.94 JPY per gram for 24K. Lower karats are priced by their gold content.
Japanese retailers such as Tanaka publish daily retail gold prices in yen per gram that include consumption tax.
Before you sell, weigh your pieces on a jeweler’s scale, check the hallmark and compare at least two quotes. Read our guide to selling gold.
More gold prices in Japan
24K gold22K gold21K gold18K gold14K gold10K gold9K gold Per gramPer troy ouncePer tolaPer kilogram
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