How Long Is a Katana?

Katana

Have you ever wondered how long a katana is?

Me too! And actually, I didn’t really know until I bought my first own katana.

In this article, you will learn about the average length of a katana without needing to buy one. 😀

Average Length of a Katana

Let’s get right to the point.

Even though the exact length differs from sword to sword, the length of most katanas ranges from 100 to 110cm (3.3-3.6 shaku).

Traditionally the length is measured in the unit shaku.

More on this later.

Blade Length: Nagasa

Katana Nagasa

The property called nagasa indicates the length of the blade. Measuring the blade isn’t overly complicated. Yet there are a few rules we have to consider.

First of all, we have to talk about how exactly we measure the length. As the katana has a slightly curved blade most people get a bit confused on the measurement process. I get asked where exactly the start- and endpoint for determining the length of the blade is, quite often.

Fortunately for us, we don’t have to measure the curvature of the blade. To put it bluntly, you just have to measure in a straight line from the kissaki (point) to the habaki (metal collar).

As seen in the image a simple folding metre stick will do the job.

Handle Length

Yeah, measuring the handle of a katana should be a no-brainer for you.

As katanas are double-handed swords the tsuka (handle) is quite long.

For the most part, the tsuka has a length of around 30cm (1 shaku)

Then do some simple math and add the nagasa (blade length) to the length of the handle. And voila you got the overall length of the katana.

Japanese Measurement Unit

Sorry to keep you waiting for so long. You surely were waiting for more information on the unit shaku. Now here it is.

Japanese swordsmiths use this measurement unit all the time.

1 shaku equals 30.30cm (11.93 inches).

No need to remember the decimals. I always round it to 30cm.

Japanese Blades Classified by Length

The Japanese swordsmiths classify their weapons by blade length.

There are three main categories:

Blade Length (nagasa)Blade TypeExamples
over 2 shakudaitoLong sword (katana, tachi, nodachi)
1 to 2 shakushotoShort swords (wakizashi, chisa-katana)
under 1 shakutantoLong knives and daggers (tanto)

Conclusion

At the end of this post, I’d like to summarise the main points we covered.

The average length of a katana ranges from 100-110cm.

The unit used for measuring the length in a traditional way is called shaku. One shaku equals approximately 30cm.

Japanese swords are organized into three categories. Katanas are in the “daito” category.

I hope you liked today’s post. I would really appreciate if you leave feedback and suggestions in the comment field below.

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