What’s the Best Watermelon Knife in 2024?

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You can use a classic straight knife for pretty much everything. You can use it to slice cheese, tomatoes, and even some watermelons. Sure, it would be difficult to use for some foods, but at the end of the day, it can be done. However, things are likely to improve when you use specialized knives. Is there a specific knife for watermelons and other similar large fruits?

The truth is that there are knives particularly designed for large round fruits. However, choosing the best watermelon knife could be a bit tricky because there are lots of options out there. Some of them are clearly better than others. It is up to you to research your options and get some reviews or recommendations. Here are the top-rated options based on buyers’ testimonials, as well as the features that make them stand out in the crowd.

What are Watermelon Knives?

VOSIN Paring Knife Chef Knives Kitchen 7.9 Inch 3Cr13 Stainless Steel Knife, Razor Sharp Blade for Peeling, Slicing and Trimming, Fruit Carving Tool for Cutting Watermelon and Melon, BlackWatermelon knives are specifically designed for large fruits. Practically, they are quite versatile and are not built for watermelons only, but for anything in that size. They are just as handy for cantaloupes or other types of melons, not to mention durians, jackfruit, and even dragon fruits. As long as you need to cut through something large, this knife can get the job done in no time.

Given the size of the foods, these knives obviously come with large blades. While it may seem like a thin and super sharp blade could cut through the rind much easier than a long blade, the truth is these knives are wide as well. The blade is pretty thick too. It is also stiff so cutting through thick rind will not flex it or cause it to break.

Watermelon knives are built to be sturdy and durable. They can be used for other foods too and they do not require too much maintenance. Since the blade is usually straight, straightening them is relatively simple. They are less likely to get dull too soon though anyway – after all, they are used for food and not for hard materials.

Other than that, it is worth noting that watermelon knives can come in more shapes and designs. While the long and wide blade is classic, there are more innovative solutions that can cut through watermelon without too much hassle – some knives are built to cut small cubes. They are great for the flesh, but not the best option for the rind.

All in all, here are the best-rated options in commerce.

2024’s 5 Best Watermelon Knives

Kuhn Rikon 25900

Kuhn Rikon Melon Knife, 1, Red/GreenClassic design – Kuhn Rikon’s best watermelon knife is a classic option proven to work. Unlike other similar options, this is not a double-bladed watermelon knife. Instead, you have a single edge, a long and wide blade, and a flat tip. Given the size, it can be used as a machete on your camping trips as well.

Durable blade – The blade is made of Japanese stainless steel. This type of steel is lightweight, rust, and corrosion-resistant. It can attain a super sharp edge – in fact, the knife is super sharp out of the box, so be careful when you unpack it. Overall, the knife is 16 inches in length. The blade is more than two times longer than the handle.

Ergonomic handle – You need a good handle if you want to master such a long blade and this unit has the perfect combo. The handle is ergonomic and has a good shape, which is great for leverage. It puts most of the pressure on the blade. You have a small guard by the blade too, so you are less likely to cut yourself.

In terms of extras, you can count the silicone-based nonstick coating that covers the blade. At the same time, the handle is less likely to slip out of your hand, even if it gets wet. A safety sheath is included in the package for storage. Maintenance is easy. While the unit is dishwasher safe, the manufacturer recommends washing it manually.


  • Great size for straight cuts in watermelons
  • Good balance, stability, and leverage
  • Nonstick characteristics
  • Dishwasher safe
  • Super sharp blade


  • Lightweight for watermelons, so it requires a bit of pressure
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Vosin Watermelon Knife

VOSIN Paring Knife Chef Knives Kitchen 7.9 Inch 3Cr13 Stainless Steel Knife, Razor Sharp Blade for Peeling, Slicing and Trimming, Fruit Carving Tool for Cutting Watermelon and Melon, BlackVersatile uses – Vosin has designed the best watermelon knife out there if you want versatility. Given the size and strength of this knife, you can use it for a series of other foods too. It makes a good choice for meat, as well as other fruits and vegetables. It is super sharp and ensures most of the juices are kept inside your food.

Superior craftsmanship – The blade will never let you down. You have a 30-degree cutting edge, as well as an eightfold oblique grinding procedure to ensure a durable blade and excellent edge retention. The blade is made from 3Cr13 stainless steel and will easily resist rust and corrosion. Given its characteristics, it can be used as an all-purpose knife too. The blade also has a few serrations on the dull side.

Ergonomic handle – Such a blade requires a top-notch handle too. The blade measures just under eight inches. The handle is super comfortable. It is V-shaped and allows great control without any risks of slipping. You have a good protective guard before the blade starts too, so your fingers will never slip on it.

Safety standards – Safety is a top requirement when it comes to such large knives. Apart from the handguard, materials are also safe for all of your foods. When it comes to maintenance, it is highly recommended to wash this knife manually, rather than in a dishwasher. It could go dull in a dishwasher. The color makes it easy to clean anyway.


  • Long, sturdy, and versatile
  • Can be used as an all-purpose knife
  • Superior edge retention and sharpness
  • High-quality materials
  • Great grip and ergonomic handle


  • Could do better on some vegetables considering how sharp it is
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Good Cook 35436

Good Cook Watermelon Knife, Stainless Steel -- Deluxe Watermelon Cutter Slicer with Sheath (Kitchen Decor, Party Supplies)Excellent value for money – Search no more if you are after value for money. Good Cook has created the best watermelon knife if you do not want to spend a fortune on fancy knives. Instead, this knife is basic and gets the job done. There are no fancy bells and whistles. You can also use it for other foods, considering its shape and sharpness, so it could make a great all-purpose kitchen knife.

Superior blade – The blade is made of stainless steel. It is durable and rust and corrosion-resistant. It has a serrated edge, so you must be careful when you sharpen it. The serrated edge is likely to retain its sharpness even longer though. The watermelon design is only a plus, but it has nothing to do with its efficiency.

Comfortable handle – A good blade needs a comfortable handle for support too. Even if you only use this knife for watermelons and not daily, you still want a good handle to prevent injuries. The handle has an ergonomic shape and suitable for all hands. It also has a handguard, so your fingers will never get on the blade if the knife slips.

Extras and maintenance – Despite the basic profile of this knife, you also have a sheath in the package. Wash it manually. Throwing it in a dishwasher could get the edge dull. A simple rinse will usually be more than enough. At the same time, let it dry naturally before storing it in the sheath.


  • Excellent value for money
  • Comes with its own sheath for storage
  • Durable blade and handle
  • Serrated edge for durability and efficiency
  • Funky watermelon design


  • The handle might feel a bit slippery when your hands get wet
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Mairico 8541906658

MAIRICO Ultra Sharp Premium 11-inch Stainless Steel Carving Knife - Ergonomic Design - Best for Slicing Roasts, Meats, Fruits and VegetablesSuperior performance – Mairico’s watermelon slicer knife is all about performance. It checks all the characteristics required by a professional watermelon knife and it brings in an exquisite result. It is ultra-sharp and long, but it also allows excellent cuts without asking for too much pressure or effort. It can also be used for other foods, of course.

Quality blade – The blade measures 11 inches. This is the most desirable length by expert chefs. It is super sharp out of the box, so be careful when you take it out. It is made of quality stainless steel. It is rust and corrosion-resistant, but it will also maintain its sharpness. It has a few dips along the edge, so foods will not stick to it. In other words, it is just as handy for meats.

Great handle – A great handle is mandatory to complement a quality blade. Mairico has brought in a classic handle shape. It is ergonomic and less likely to slip out of your hand. It is triple-riveted for balance and stability too – not like you need too much with the proportions between the handle and the blade. Also, the handguard is great to prevent injuries.

Easy maintenance – There is nothing too difficult about keeping this knife sharp and clean. It has good edge retention, but sharpening is fairly simple anyway. As for keeping it clean, never toss it in a dishwasher or it might get dull. Instead, wash it manually and let it dry before storing it – simple as that.


  • Superior design and quality
  • Long and convenient blade for multiple foods
  • Versatile applications
  • High-quality materials in its design
  • Ultra sharp and good edge retention


  • The storage case is not too good, as the knife is likely to cut and injure you when you open it
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Mercer Culinary M23840

Mercer Culinary Millennia 6-Inch Produce Knife, GreenVersatile application – Mercer Culinary has designed the best watermelon knife for those who want simplicity and efficiency. While suitable for other foods too, it will work wonders on watermelons. Given the length of its blade and its exquisite sharpness, it will help you cut paper-thin slices of various types of meats as well. It is a great knife with lots of uses.

Slip resistance – Whether you cut watermelon or some meat, chances are there will be some moisture involved. The handle is shaped to match a hand. It has a hand guard for protection – great to prevent your fingers from reaching the edge. Other than that, it is made of Santoprene and polypropylene. It is both durable and comfortable. Also, it has a textured surface for a secure grip.

Quality blade – The blade is made of high-quality Japanese steel. It comes with a few major benefits. It is easy to sharp in no time and it can become razor-sharp. Other than that, maintenance is fairly simple. It measures six inches in length and it is based on high carbon steel. Edge retention is out of this world.

Maintenance and care – Generally speaking, such high-quality knives require manual washing. A dishwasher will only get them dull. At the same time, high carbon steel has great edge retention, but it is not as good as stainless steel against rust. Therefore, make sure your knife is not stored without being properly dried before.


  • Excellent textured grip
  • Long blade suitable for more applications
  • Impressive edge retention
  • Easy maintenance
  • Available in more handle colors


  • Despite the quality, it has a cheap-looking handle
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Frequently Asked Questions

Should I choose stainless steel or high carbon steel for a watermelon knife?

Each material has its benefits and few drawbacks. Stainless steel looks good. It is incredibly good against rust and corrosion. Chances are you will never face such issues – not now and not in 10 years from now. However, it needs to be sharpened more often.

On the other hand, high carbon steel is known for getting incredibly sharp. It is practically razor-sharp – a man could shave his beard with it. Once sharpened, it will retain its edge for long periods of time, so it does not require such frequent operations. But then, it is not as good as stainless steel when it comes to rust, so you will have to store it when dry only. A bit of oil will keep it in good condition if you do not use it too often.

Should I get a double-bladed watermelon knife or a single edge knife?

The double-bladed watermelon knife is not common. In fact, over 99% of all watermelon knives have one edge only. In some parts of the world, this is actually a safety requirement. Therefore, you will have to stick to a single edge. You are less likely to use both edges anyway – unless one of them gets dull and you do not feel like sharpening it.

On the other hand, there are watermelon slicers with double-edged blades.

Is there anything else I can use a watermelon knife for?

The characteristics of a watermelon knife are similar to the characteristics of other specialized knives. For example, it has a long straight blade. This blade is also common in meat knives. Sure, chef knives are suitable for all types of meats, but long pieces will require long blades. In other words, you can use your watermelon knife for meats and other fruits and vegetables as well, so it is a great tool to have around your kitchen.

Are watermelon slicers worth the money?

To help you get an idea, a watermelon slicer should go in the same category as a potato slicer or perhaps an apple slicer. These things are cool to have. It is faster to chop and slice a watermelon yourself. You do not need a device with rotating blades to chop a slice into small cubes, especially as it might crush them.


The best watermelon knife should have a long blade and a sharp edge. These are the main requirements. As for the brand, style, and design, it is up to your personal preferences and needs. Do not make your decision based on looks and design only, as the performance is more important in the long run. A few reviews and recommendations from previous buyers will most likely lead you in the right direction.