Japanese Laundry Symbols: What the Washing Symbols on Clothes Mean

If you live in Japan, these are the care symbols you’ll commonly find on clothing, towels, bedding and other textile products sold here.

At first glance, Japanese laundry symbols can look more complicated than they really are. I still sometimes pick up a new towel or shirt, look at the tag and think, “I know I’ve seen this before, but what exactly does it mean?”

The easiest way to read a Japanese clothing care label is to start with five basic shapes:

Wash tub = washing
Triangle = bleaching
Square = drying
Iron = ironing
Circle = professional cleaning

After that, check the smaller details. Numbers usually show the maximum temperature, lines indicate a gentler process, dots are used for temperature settings, and an X means that treatment should not be used.

Once I started reading labels in that order, they became much easier to understand.

How to Read Washing Symbols in Japan

The wash tub is the first symbol I check because it tells me whether an item can be washed with water and how gently it should be handled.

If there is a number such as 30 or 40 inside the tub, that number is the maximum washing temperature in Celsius.

The lines underneath are important too.

One line means a gentler washing process. Two lines mean an even gentler process.

I used to look only at the number. If I saw 40, I assumed “40°C is fine” and stopped there. Now I make a point of checking the lines underneath as well, because they change how the item should be washed.

A hand inside the tub means hand washing. Under Japan’s current labeling system, you may see hand-wash symbols with a maximum temperature of 40°C or 30°C.

A crossed-out wash tub means the item should not be washed with water, either by machine or by hand.

That is an easy one to misunderstand. It does not simply mean “don’t put this in the washing machine.”

What Does the Triangle Mean on Japanese Laundry Labels?

The triangle is the bleaching symbol, and this is one I personally find easy to forget.

A plain triangle means chlorine-based and oxygen-based bleach can be used.

A triangle with diagonal lines means oxygen-based bleach can be used, but chlorine bleach cannot.

A crossed-out triangle means do not bleach.

One thing I misunderstood for a long time was assuming that the bleaching symbol also told me which detergent to use.

It does not.

The triangle only tells you whether bleaching is allowed. Whether you should use a neutral detergent or your usual laundry detergent may be written separately on the label.

I noticed this on one of my towels. I had always assumed towels were something you could simply wash with regular detergent, but the tag specifically said 「中性洗剤使用」, which means “use neutral detergent.”

That was a good reminder to read the whole tag, not just the symbols.

You may also see written instructions such as 「ネット使用」 for “use a laundry net” or 「裏返して洗う」 for “wash inside out.”

These small notes can be just as useful as the symbols themselves.

Japanese Drying Symbols: What the Square Means

Drying is where I usually slow down and look twice.

The square itself is easy to remember, but the dots and lines inside it can completely change what you are supposed to do.

A circle inside a square refers to tumble drying.

Two dots mean tumble drying is permitted with a maximum exhaust temperature of 80°C.

One dot means a maximum exhaust temperature of 60°C.

A crossed-out tumble-dry symbol means the item should not be tumble dried.

Natural drying symbols use lines inside the square.

A vertical line generally means line drying, while a horizontal line means dry flat.

Two lines indicate drying without spinning or wringing first. Diagonal lines in the upper corner indicate drying in the shade.

In everyday life in Japan, I find these drying symbols more useful than I expected, especially with clothes I do not want to risk shrinking or losing their shape in the dryer.

I do not try to memorize every combination. For me, remembering “square = check how to dry it” is enough, and I look up the details when necessary.

What Do the Dots on the Iron Symbol Mean?

The iron symbol becomes much easier once you know what the dots mean.

Under Japan’s current labeling system:

Three dots = up to 210°C
Two dots = up to 160°C
One dot = up to 120°C

A crossed-out iron means the item should not be ironed.

Part of Japan’s laundry labeling system was revised in August 2024, including an additional symbol for ironing at up to 120°C without steam.

Older clothes in your closet may still have earlier versions of the symbols, so if something looks unfamiliar, it is better to check the current official guide rather than guess.

What Do P, F and W Mean on Japanese Clothing Labels?

A circle is a professional-cleaning symbol.

You may see P or F for different types of dry cleaning, and W for professional wet cleaning. Lines underneath can indicate gentler treatment.

For most people doing laundry at home, the useful takeaway is simple:

A circle means professional cleaning.

You do not need to memorize every difference between P, F and W just to do everyday laundry.

If the item cannot be washed at home and you are unsure what the letters mean, show the label to the cleaner instead of experimenting with a favorite coat, jacket or delicate garment.

My Quick Check Before Doing Laundry in Japan

These days, I do not try to remember the entire laundry-symbol chart.

I use a simple order.

First, I check the wash tub to see whether the item can be washed with water and whether it needs gentle treatment.

Next, I check the triangle for bleaching.

Then I look at the square to see how it should be dried.

If the item needs ironing or looks delicate, I check the iron and circle symbols too.

Finally, I read any Japanese instructions printed beside the symbols.

That last step is the one I used to skip, and now I think it is one of the most useful.

A tag may tell you to use neutral detergent, a laundry net, wash the garment inside out, or follow another special instruction that is not obvious from the five basic symbols alone.

You Don’t Need to Memorize Every Japanese Laundry Symbol

Japanese laundry symbols can look intimidating when you first see a whole row of them, but you do not need to learn everything at once.

Start with the five basic shapes:

Wash tub = washing
Triangle = bleaching
Square = drying
Iron = ironing
Circle = professional cleaning

Then check the numbers, lines, dots and X marks.

Most importantly, do not ignore the Japanese notes printed beside the symbols. They may tell you to use neutral detergent, a laundry net or another special washing method.

That is now the part of the label I check before washing anything unfamiliar.

References

Consumer Affairs Agency, Japan — Laundry Care Labeling for labels from August 20, 2024

Japanese Industrial Standard JIS L 0001:2024