What is a Carpet Knife? Where to Buy the Best one in 2024?

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Also known as a utility or box knife, a carpet knife refers to a small and light tool that is useful for cutting not only carpets but also cardboards and ropes, opening boxes, and trimming edges. It is one of the most widely used knives in craftwork.

Theoretically, carpet knives are analogous to regular utility knives. However, they are exclusively made for cutting any type of carpet or rug. Still, you can use them for cutting around things such as cabinets and heating vents. So, it would not be wrong to say that a carpet knife is a type of utility knife. Read on to know more about it.

Carpet Knife DesignIrwin Tools 1774107 Carpet Knife

A carpet knife typically is light in weight and features a small blade that is disposable and retractable into a handle when at rest. It uses a conventional fitted blade having a round or square corner. Such a blade has four cutting edges that ensure a prolonged cutting life.

Made especially for cutting backed carpets, whether outdoor or indoor, the blade is sharp enough for this job. However, as a rule of thumb, the sharper the blade, lesser the chance to get blade tangled in the carpet.

Utility blades are available in a myriad of sizes and shapes.

In the case of some carpet knives, you are free to extend the blade to use it in different lengths, as per the type of cutting job. Most carpet knives are tools of high quality. This becomes evident with a tough edge designed to cut through padded surfaces without resulting in jagged edges or fraying.

Hence carpet knives are also used for jobs such as cutting a tile or linoleum. Many carpet knives come with a solid metal body and a supportive internal mechanism for retracting the blade.

A few older versions come with a handle made using hardwood and a fixed blade made up of stainless steel. While these knives have blades that are sharpened with a traditional sharpening technique, the retractable models require you to change their blades when they go dull. Most hardware shops sell these blades in packets.

Types of Carpet Knives

There are industrial carpet knives as well, which come with the same replaceable blade as found in standard carpet knife versions. They also feature a convenient area for storing blades and a handle with a slip-resistant grip.

However, they uniquely feature a stronger as well as a sharper blade due to which it can handle tougher cutting tasks than a regular carpet or any other utility knife.

Interestingly, these industrial versions are usually safer than a retractable box knife when they are not in use because the blade is screwed securely into the handle. With an industrial carpet knife, you are likely to make your move from one home or office to another quite easier.

Another type of carpet knife that is quite famous is with the pivot design. It is one of the most popular utility knives too. It comes with a handle holding a storage unit for its magnetized blade and a sloped head with a thumb guard. There is also a button to quickly open as well as close the blade.

Crain 217 Hook Handle Razor Pivot Carpet Knife

This is how the pivot open to give instant access to the magnetized blade storage slot. The ergonomic tool cuts effortlessly with a double-edge steel blade that is exclusively made for carpets. It is known for cutting thick carpets that other cutting knives or tools are unable to handle easily.

These pivot knives usually come with the knurled non-slip body due to which you have ensured a safe grip at the time of use.

Best Carpet Knives in the Market

Here is a table of popular carpet knives in the market. We have included all kinds of carpet knife available for you to buy.

Prices pulled from the Amazon Product Advertising API on:


Carpet Knife Safety

Although carpet knives are small, portable tools, you are required to adhere to some safety requirements for preventing accidents and injuries. Quality carpet blades, along with their packaging, are available with assurance for improved safety, performance, and productivity with regards to carpet installers.

The emphasis of installers has been on the wisely engineered blades. They tend to look for the most durable as well as sharpest blades that are available at the most competitive prices.

However, many of them still do not consider knife and blade safety as a critically significant feature to look for. That old practice of tossing blades at the time of installation under the carpet is now not suggested.

Safety risks are always present while using carpet knives that come with detachable blades. Eye and hand safety are essential. Reckless handling of these knives is likely to result in numerous severe cuts.

This further results in lost user productivity as well as wages. Above all, the workman’s compensation then becomes unavoidable. Following are some safety tips to consider:

  • One of the main reasons for cuts is the continuous use of a dull blade. Thus, it is wise to use sharp blades and change them when it begins to wear and tear. After all, a dull blade is more prone to slip than its sharp counterpart.
  • Consider using a safety blade dispenser. It is capable of accommodating up to 100 blades that then tend to glide out, one by one, instantly as well as safely for replacement. The blade disposal slots present at many dispensers’ bottom provide a suitable way to dispose of used blades. Such a safe and handy storage and disposal of blades make it easy for carpet installers to employ the safest carpet blades, which finally save them both money and time. Even a small dispenser having a capacity of 20 blades is an excellent option for those who are expecting handy and safety features from a mini pack.
  • Choose one of the modern ergonomic cutters, because they are made specially to minimize the risk of injuries. Several big companies now have made it mandatory for their workers to carry and use auto-retractable safety knives. These models are made to limit injuries. Further, the ergonomic designs are specifically made to reduce stress on both the wrist and hand. All these innovations are only for saving installers time while handling sharp blades safely.
  • Ensure that the blades have adequately gone inside the handle after use. Otherwise, even a little contact with the sharp edge can instantly result in a cut.
  • Ensure that your other hand not handling the knife is away from the line of the cut at the time of use.
  • Always pull the knife rather than pushing it, as otherwise, the blade is likely to break off.
  • Avoid bending or applying loads to carpet knife blades by considering them for opening cans or prying relaxed items such as screws. This is because such side loads can make the blades snap easily.
  • Always retract a blade if you are not using it.
  • Do wear safety goggles along with the cut-resistant gloves while working with a carpet knife. The former not only protect the eyes from the small flying particles of carpet fibers but also acts as a hurdle between the eyes and the knife in case of the latter rebounds during use. Wearing utility or cut-resistant gloves is also wise, as they ensure some protection in case the knife slips at the time of its use.
  • You should keep your body to a single side of the desired cut area, as doing so minimizes the probability of an accident. The best way to use the knife is to use it away from the body regularly.
  • Always use a carpet knife on a smooth, even surface. If you need to cut through cardboard or padded carpet, consider placing a thick towel or a thick paper between the item to be cut and the surface on which you have kept that item. Doing so shall prevent the blade from harming the cutting surface.

The tips mentioned above may sound like common sense. However, jobs that involve the use of any knife are usually the source of other distracting activities. Thus, it is wise for us to create good and safe habits for using carpet knives and blades.


Carpet knives are multi-purpose tools that are light and easy to use. However, they are not just confined to cutting or trimming carpets. They can cut or trim a variety of packaging and other materials, including cords, plasterboards, tapes, vinyl pieces, wooden boards, and plastics.