Knife shapes · sources checked 2026-10-22Japanese knife types
and shapes
In short: Japanese kitchen knives split into two groups. Double-bevel all-rounders and vegetable knives — the gyuto (180–300 mm), santoku (165–180 mm), bunka, nakiri (165 mm) and petty (120–150 mm) — cut straight down and work in either hand. Traditional single-bevel knives — the yanagiba for sashimi, deba for fish filleting, usuba for vegetables and the single-bevel kiritsuke — are ground on one side for specialist Japanese prep and require a left-handed version for left-handed cooks.
Nine Japanese knife shapes at a glance
| Shape | Japanese | Bevel | Typical length (makers) | What makers describe it for |
|---|---|---|---|---|
| Gyuto | 牛刀 | Double (ryōba) | 180–300 mm (home: 180–210 mm) | Western-style all-purpose chef’s knife for meat, fish and vegetables |
| Santoku | 三徳 | Double (ryōba) | 165–180 mm | All-purpose home knife (“three uses”: meat, fish, vegetables) with a rounded tip |
| Bunka | 文化 | Double (ryōba) | Not standardised (often ~165–180 mm) | All-purpose home knife with an angled, pointed spine tip (or treated as a synonym of santoku in some dictionaries) |
| Nakiri | 菜切 | Double (ryōba) | Often 165 mm | Square, flat-edged home vegetable knife with no pointed tip |
| Petty | ペティ | Double (ryōba) | 120–150 mm | Small Western-style utility and paring knife for fruit, peeling and small board work |
| Kiritsuke | 切付 | Single (traditional) or Double (kiritsuke gyuto) | 240–330 mm (single-bevel) | Angled-tip knife covering the jobs of deba, yanagiba and usuba in one blade |
| Yanagiba | 柳刃 | Single (kataba) | 210–330 mm | Long, narrow slicing knife for cutting sashimi in a single drawing stroke |
| Deba | 出刃 | Single (kataba) | 150–210 mm | Thick, heavy fish-butchery knife for filleting whole fish and cutting through small bones |
| Usuba | 薄刃 | Single (kataba) | 180–210 mm | Single-bevel professional vegetable knife for thin peeling (katsuramuki) and precision cuts |
Lengths and descriptions come from Kai, Tojiro, Misono and Sakai Ichimonji Mitsuhide. You can also inspect individual profiles interactively in the home-page knife finder.
Double-bevel vs single-bevel (ryōba vs kataba)
Before comparing blade silhouettes, check the bevel. A Tokyo Metropolitan Board of Education teaching document and Japanese makers’ guides distinguish between knives ground on both sides (ryōba, 両刃) and knives ground on one side only (kataba, 片刃).
- Double-bevel (ryōba): gyuto, santoku, bunka, nakiri and petty. Both sides of the edge are sharpened, so the blade tracks straight into food and works the same for right- and left-handed cooks.
- Single-bevel (kataba): deba, yanagiba, usuba and the traditional kiritsuke. Only one side has a primary bevel, while the back is ground slightly hollow. Sakai Ichimonji Mitsuhide notes that left-handed cooks need a dedicated left-handed single-bevel knife with the bevel on the opposite side.
All-purpose home and chef’s knives: gyuto, santoku, bunka and petty
For everyday cooking, Japanese makers recommend starting with an all-purpose double-bevel knife:
- Gyuto (牛刀): the Western-style chef’s knife introduced to Japan in the Meiji era. Makers start it at 180 mm and run line-ups up to 300 mm; Tojiro highlights 180–210 mm as the popular range for home kitchens.
- Santoku (三徳): a shorter all-purpose home knife (usually 165–180 mm) whose spine curves down to a rounded tip. Both Kai and Japanese dictionaries link the name “three virtues” to handling meat, fish and vegetables.
- Bunka (文化): outside Japan, shops use “bunka” for a santoku-sized all-rounder whose spine is cut at an angle to a sharp point. In Japan, some dictionaries treat bunka and santoku as synonyms while others separate them by that angled tip.
- Petty (ペティ): a small Western-style utility knife (typically 120–150 mm) used as a second knife for peeling fruit, trimming and small ingredients.
Read the detailed comparison: Gyuto vs santoku vs bunka →
Vegetable knives: nakiri and usuba
Japanese kitchens have two classic rectangular vegetable knives, one double-bevel and one single-bevel:
- Nakiri (菜切): a double-bevel home vegetable knife, commonly 165 mm, with a straight, flat edge and no pointed tip. Because the whole edge meets the board at once, it cuts vegetables cleanly all the way through with an up-and-down stroke. Tojiro recommends it as a second knife alongside an all-purpose gyuto or santoku.
- Usuba (薄刃): a single-bevel vegetable knife used by professional Japanese cooks for techniques such as katsuramuki (peeling daikon into a continuous thin sheet) and fine garnish cuts.
Read the detailed comparison: Gyuto vs nakiri →
Traditional single-bevel knives: deba, yanagiba and kiritsuke
In Sakai — where forging and sharpening have been divided between specialist craftsmen since the Edo period — single-bevel knives remain the core of the trade:
- Deba (出刃): a thick, heavy single-bevel knife dated to around the Genroku era in Sakai, built to break down whole fish, sever fish heads and cut through small bones without chipping when used properly.
- Yanagiba (柳刃): a long, narrow single-bevel sashimi knife (often 240–300 mm) designed to slice raw fish in a single drawing motion so the cut surface stays smooth.
- Kiritsuke (切付): described by Sakai Ichimonji Mitsuhide as a single-bevel all-rounder with an angled triangle tip that combines uses of the deba, yanagiba and usuba. Many knives sold today as “kiritsuke gyuto” or “K-tip gyuto” are double-bevel gyutos with that angled tip — always check the bevel in the listing.
Read the detailed comparison: Gyuto vs kiritsuke →
Next steps: choose the steel and check the landed cost
Once you know the shape and length you want, the steel determines whether the blade can rust and how long the edge lasts. Compare 15 steels in our Japanese knife steel chart (or Blue vs White steel and VG-10 vs SG2). If you are ordering from Japan to the US, check our US import duty calculator and guide to buying Japanese knives from Japan.
Frequently asked questions
- What is the difference between wa-bōchō and yō-bōchō?
- A Tokyo Metropolitan Board of Education teaching guide divides Japanese kitchen knives into traditional Japanese-style knives (wa-bōchō, such as the deba, yanagiba / sashimi knife, usuba and nakiri) and Western-style knives introduced from the Meiji era (yō-bōchō, such as the gyuto and petty).
- Which Japanese knife should I buy first?
- Japanese makers such as Kai and Tojiro present the gyuto (180–210 mm for home use) and the santoku (165–180 mm) as the standard all-purpose knives that handle meat, fish and vegetables. Choose a gyuto if you want a longer blade and pointed tip, or a santoku if you have a smaller cutting board.
- What is the difference between single-bevel and double-bevel Japanese knives?
- Double-bevel knives (ryōba) are ground on both sides of the edge and work in either hand. Traditional single-bevel knives (kataba — such as the deba, yanagiba, usuba and traditional kiritsuke) have the main bevel on one side and a slightly hollow back, so left-handed cooks need a dedicated left-handed version.
- Why are Japanese knife lengths given in millimetres?
- Japanese makers list blade lengths in millimetres (or in traditional sun units for some Sakai single-bevel knives, where 1 sun is about 30.3 mm). A 165 mm santoku or nakiri is about 6.5 inches, a 210 mm gyuto is about 8.3 inches, and a 240 mm gyuto or yanagiba is about 9.4 inches.
Sources
- Kai: choosing a Western-style knife (gyuto, santoku, petty)
- Kai: choosing a Japanese-style knife (deba, sashimi/yanagiba, nakiri/usuba)
- Tojiro: knife sizes by type (gyuto, santoku, nakiri, petty, deba, yanagiba)
- Tojiro: gyuto and santoku
- Tojiro: the nakiri
- Misono UX10 line-up (gyuto 180–300 mm, santoku 180 mm, petty 120–150 mm)
- Sakai Ichimonji Mitsuhide: kiritsuke collection and left-handed single-bevel knives
- Tokyo Metropolitan Board of Education: teaching material on Japanese knives (2017)
- Kotobank: 包丁 / 三徳包丁 / 文化包丁
Checked 2026-10-22. Found a better source or an error? Tell us.