If you have shopped overseas and had a parcel shipped to Japan, you may have heard that small orders often arrive without any customs charge. There is a real rule behind this, and once you understand the arithmetic you can predict whether your parcel is likely to be waved through duty and tax free.
How Japan values a personal import
For most personal (non-commercial) imports, Japan Customs does not tax the full price you paid. Instead it assesses a taxable value, called the 課税価格, at roughly 60 percent of the overseas retail price of the goods. This lower figure reflects the fact that a personal parcel is not a commercial shipment.
The exemption works on that taxable value. If the taxable value comes to 10,000 yen or less, customs duty and consumption tax are usually waived entirely. So the question is not "did I spend 10,000 yen?" but "is 60 percent of what I spent 10,000 yen or less?"
Where 16,666 yen comes from
Work the threshold backwards. If the taxable value is 60 percent of the price, then the price that produces a taxable value of exactly 10,000 yen is:
10,000 ÷ 0.6 ≈ 16,666 yen
That is the origin of the so-called 16,666 yen rule. Goods priced up to about 16,666 yen usually fall under the exemption line, and duty and consumption tax are typically not charged. Spend meaningfully above that and the taxable value climbs past 10,000 yen, so charges normally apply.
Worked examples
| Overseas price | Taxable value (× 0.6) | 10,000 yen or less? | Likely outcome |
|---|---|---|---|
| 12,000 yen | 7,200 yen | Yes | Usually duty and tax free |
| 16,000 yen | 9,600 yen | Yes | Usually duty and tax free |
| 18,000 yen | 10,800 yen | No | Duty and tax normally apply |
| 30,000 yen | 18,000 yen | No | Duty and tax normally apply |
Note that the shipping cost you pay to the courier is generally not part of the goods valuation for this personal-import test, though customs looks at the whole picture and can ask questions. You can run your own numbers on our import cost calculator.
Goods that do NOT get the exemption
The 16,666 yen rule is not universal. Certain categories are specifically excluded from the small-value exemption, so duty can be charged even when the taxable value is 10,000 yen or less. The commonly listed exclusions include:
- Leather goods and articles made mainly of leather, such as bags, shoes, and gloves
- Knitwear and certain knitted garments
- Rice and some other grain products
- Dairy products such as certain milk-based items
- Tobacco products
Clothing and footwear are a frequent surprise here, because the duty rates are relatively high and leather or knit items miss the exemption. We cover that in detail in the clothing and shoes duty trap.
Alcohol and tobacco are always taxed
Alcoholic beverages and tobacco are treated separately. They are subject to their own duties and taxes regardless of value, so the exemption line does not protect them at all. A small, inexpensive order of wine or cigarettes will still attract charges.
This is a general rule, not a guarantee
Customs officers decide each parcel case by case. The 60 percent valuation, the 10,000 yen line, and the resulting 16,666 yen figure are general guidance, not a promise about your specific package. Classification, the declared value, the contents, and the documents all feed into the final call. If you want the duty percentages that apply once a parcel is taxable, see our summary of simplified duty rates.
This page is general information, not tax or customs advice. Rules, rates, and excluded categories change, so confirm the current position before you rely on it.
Source: Japan Customs (customs.go.jp), verified 2026-09-07.