How Do You Use a Coin Laundry in Japan?

Learn how Japanese coin laundries work, from choosing a machine and buying detergent to paying, timing the dryer and collecting your clothes promptly.

Published October 20, 2026 at 11:00 PM JST | By Tokyo Paul

Quick answer: Choose a free washer, load your clothes, add detergent (many shops sell it from a vending machine), pay with coins or the card method shown on the machine, and start it. When the cycle ends, move the clothes to a dryer, pay again for dry time, and collect everything promptly. Most coin laundries are unstaffed.

What a Japanese coin laundry is

A coin laundry (koin randori) is a self-service laundromat where customers wash and dry their own clothes in coin-operated machines. These shops are typically unstaffed, with machines running on coins or, in some cases, card and electronic payment. They are common in residential areas, near stations and in some business districts.

Shops usually contain regular washers, dryers and sometimes combined washer-dryers. Larger drum machines handle bulky items such as futon and blankets. The layout differs from shop to shop, but most are easy to figure out once you know the order: wash, move, dry, collect. Look for signs near the door, which may include English instructions in tourist areas.

Step by step: from wash to dry

First, check the machine label and size. Washers usually show capacity in kilograms, and a larger load needs a larger machine. Load your clothes, add detergent if the machine does not supply it, and close the door. Insert the coins or follow the payment instructions on the display. In many machines the door locks once payment is made and the cycle begins.

The cycle runs automatically through wash, rinse and spin, and a full cycle commonly takes several tens of minutes. When it ends, take the clothes out and place them in a dryer, which also needs payment. Dryers are timed: you add money for a set number of minutes. If the clothes are still damp when time is up, add more money to extend. Fold your clothes at home or at the shop's table.

Detergent, coins and payment

Detergent is often sold from a vending machine inside the shop, in small single-use packs. Some shops use machines that dispense detergent and softener automatically, and a few ask that customers not use detergent from outside. Read the signs on each machine, because policies vary by shop and by machine.

Prices differ by location and machine size, so there is no single national rate. Bring plenty of 100 yen coins, since many machines accept only coins; some shops have a change machine for bills, but not all. Prepaid cards and electronic payment are used by some shops, and these methods are still being introduced, so do not count on them. If you are unsure, check the machine's price display before you start.

Check the pockets of every garment before loading, and turn dark clothes inside out. Keep lint, tissues and coins out of the machine. If the shop has a table, use it for folding; if not, bring a bag so clean clothes stay off the floor. Machines are labeled by number, and the payment slot is usually next to the number, so make sure you pay for the right one.

Who coin laundries suit

Coin laundries suit long-stay visitors, backpackers, families with children and travelers on a multi-week trip who want to pack light. They are also useful when staying at a guest house or a rental apartment without a washing machine. Business hotel guests may find one near the hotel, and some hotels have their own laundry room.

Families with lots of clothes can use several machines at once. Solo travelers may prefer a combined washer-dryer, which handles the load in one place. Large bedding is possible too, with big drum washers and dryers, though capacity and rules differ. Anyone using the shop late at night should choose a well-lit, busy place and keep belongings close.

Families and groups often wash on a rotation: one load in the washer while another dries. This keeps the shop time short, and it works best when the shop has several machines of the same size. Quiet hours are not usually posted, but speaking softly and keeping the shop tidy are good manners in any shared space.

Mistakes to avoid

The most frequent mistake is leaving clothes in the machine after the cycle ends. This can inconvenience other customers, and belongings are best not left unattended, so set a timer on your phone and return when the cycle finishes. Another mistake is overloading the machine, which results in poor washing and dripping clothes.

Other issues include using the wrong dryer setting for delicate items, since many Japanese coin laundry dryers run hot and can be more powerful than a home dryer. This dries clothes quickly but can shrink some fabrics. Check care labels, avoid wool and delicate items, and use a low setting if offered. Also avoid using outside detergent where signs forbid it.

Planning tips and alternatives

Plan laundry for a time when you can stay nearby: a visit to a nearby cafe or park during the cycle is common. Carry a bag for dirty clothes, a small mesh bag for delicates and a little extra cash in coins. A map app helps find nearby shops, and some places list hours, though many are open long hours.

If a coin laundry is not convenient, other options include hotel laundry services, a shop that washes, dries and folds for a fee, or washing small items by hand in the room sink. These alternatives often cost more but save time. Always check the policy and price in advance, and keep receipts or claim tags for any service.

A rainy day is a common time to use a coin laundry, because the dryers solve the problem of clothes that will not dry on a line or in a humid room. In the rainy season, which runs from early June to mid-July across much of the country, a dryer can be a handy option for travelers whose clothes will not dry in a humid room. Shops may be busier on wet days, so allow a little extra time.

Quick checklist before you go

Pack detergent or plan to buy it, bring coins, check clothing care labels and separate colors. Look at the machine signs, load the washer, pay and start. Set a timer for the wash cycle, then move clothes to the dryer and set another. Remove everything as soon as it is done and leave the machine tidy for the next person.

Prices, hours and payment methods change and vary by shop, so confirm details on the signs or the machine itself. If something goes wrong, such as a stuck door or lost coins, many shops post a contact number on the wall; a staff member or a nearby person may help. A little preparation makes the first visit easy.

Frequently Asked Questions

Do Japanese coin laundries accept bills?

Many take only coins, so bring 100 yen coins. Some shops have change machines or accept cards, but this is not universal. Check the machine and signs on arrival, and carry coins for safety so the cycle can start without delay.

How long does a wash and dry take?

Washing usually takes several tens of minutes, and drying also takes several tens of minutes depending on the load and the dryer. Total time often comes to around an hour or more. Allow extra time for a heavy load or bedding.

Can visitors wash futon or blankets at a coin laundry?

Often yes. Some shops have large drum washers and large dryers made for bulky bedding. Check the machine size and the care label, and follow the signs. Capacity differs, so a very large item may not fit.

Want to go deeper? Tokyo Paul's book Tokyo, Made Simple is available on Amazon.

Further Reading

To explore further, see the Wikipedia article on self-service laundries and the Wikipedia article on clothes dryers.

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More guides from Tokyo Paul: Can You Wash Clothes at a Hostel in Japan?, Do Hotels in Japan Have Laundry Facilities for Guests? and Recycle Shops and Second-Hand Stores in Japan: How to Shop Well.