A standard 1-ounce letter to Japan costs $1.45 in postage as of 2026, which is the price of one Global Forever stamp
How long does it take to send a letter to Japan?
Standard international letters take 7–21 business days to reach Japan
Expect delays if you ship during peak seasons. Priority Mail International cuts that window to about 6–10 days. Bad weather, customs checks, or local postal hiccups can stretch delivery times even further. Mail sent between November and December often lands closer to the 21-day mark.
Can I send a letter to Japan now?
Yes—Japan Post accepts international mail from the United States and most countries as of 2026
Japan Post dropped most COVID-era restrictions, so letters and postcards usually go through without a hitch. A handful of countries or mail types might still hit snags, so double-check the Japan Post website before dropping anything in the mailbox.
How do I send a letter to Japan?
Address your letter clearly, use Global Forever Stamps, and drop it in a blue USPS collection box or hand it to a clerk
- Write the recipient’s full Japanese address in the bottom-right corner. Roman letters work, but adding Japanese characters helps avoid confusion.
- Stick one $1.45 Global Forever stamp on for a 1-ounce letter.
- Use a sturdy envelope—no one wants crumpled mail.
Letters over 1 ounce? Weigh them first, then use the USPS International Price Calculator to figure out the extra postage.
How many forever stamps do you need for an international letter?
One Global Forever stamp covers 1 ounce to Japan; three domestic Forever stamps equal $1.47, slightly more than needed
Global Forever stamps cost $1.45 each in 2026. Three domestic Forever stamps add up to $1.47, which technically covers the cost if you’re out of Global stamps. Heavier letters? Run them through the USPS Postage Price Calculator.
What Cannot be mailed to Japan?
Japan prohibits sending valuable items like cash, precious metals, gemstones, and marketable securities
These items need secure courier services with proper paperwork. Firearms, illegal drugs, and fake goods are also off-limits. Before mailing, skim Japan’s customs prohibited items list.
How much does it cost to send a card to Japan?
A postcard to Japan costs $1.45 as of 2026, covered by one Global Forever stamp
Postcards under 5 ounces share the same rate as 1-ounce letters. Bigger cards or greeting cards over 1 ounce? Use the USPS International calculator. Delivery usually takes 7–21 days.
How many stamps do you need to send a letter to Japan?
One Global Forever stamp ($1.45) covers a 1-ounce letter to Japan
Only have domestic Forever stamps ($0.68 each in 2026)? Two of those get you to $1.36, then toss in $0.09 more. Always weigh your letter on a kitchen scale—no one likes surprise postage gaps.
Can you send chocolate to Japan?
Yes, but chocolate is risky due to heat sensitivity and customs restrictions on perishables
Chocolate melts. Japan’s summers don’t help. Customs may reject spoiled shipments or demand temperature-controlled couriers like FedEx or DHL. If you’re serious about sending chocolate, insulate it well.
Can I mail food to Japan?
You can mail shelf-stable foods in original packaging, but perishables under six months are prohibited
Japan protects its agriculture, so short-shelf-life foods get the boot. Stick to sealed, non-perishable items like canned goods or dry pasta. Declare everything on the customs form. For the nitty-gritty, check the Japan Ministry of Agriculture, Forestry and Fisheries.
Can I drop international letter in mailbox?
No—international letters must be handed to a clerk at a USPS Post Office or dropped at a Priority Mail location
Blue collection boxes and lobby drops won’t take international mail. Skip the blue box, or your letter might get sent back. Find the nearest USPS location with the USPS Retail Counter Application.
Can I use regular postage stamps for international?
Yes, you can use domestic Forever stamps for international mail, but you’ll likely need extra postage
Forever stamps match the domestic First-Class rate on the day you use them. International rates are higher, so you’ll need to tack on extra Global postage. For example, one Forever stamp ($0.68) plus one Global stamp ($1.45) covers a 1-ounce letter to Japan.
Can you use two Forever stamps for international?
Yes—two Forever stamps can be used for international letters, but they still may not cover full postage
Two domestic Forever stamps total $1.36 (as of 2026), which falls short of the $1.45 needed for Japan. Use them as partial payment, then add a Global Forever stamp or extra postage. Weigh your letter first—no one enjoys last-minute scrambles.
What do I have to declare at Japan Customs?
You must declare cash or monetary instruments exceeding 1,000,000 Japanese yen ($6,800 USD as of 2026)
This includes cash, traveler’s checks, promissory notes, and gold over 90% purity. Skip the declaration, and you risk fines or confiscation. For the full rundown, visit the Japan Customs website.
What can you not bring to Japan Airport?
Japan bans weapons, illegal drugs, counterfeit goods, certain meats, and plants without inspection
Adult materials without censorship and unauthorized cultural artifacts are also off-limits. Fresh foods—especially some meats and fruits—need advance inspection. Double-check the Ministry of Foreign Affairs website before you pack.
Can I mail coffee to Japan?
Roasted coffee can be mailed with an import notification, but raw green coffee beans are prohibited
Japan’s Health Ministry keeps a close eye on roasted coffee. Include a commercial invoice and declare it. Green coffee beans? Agricultural restrictions apply, so they’re a no-go. Ship via a courier that handles food imports to stay compliant.
