How to Reuse Plastic Knives

How to Reuse Plastic Knives

Plastic knives are a common item in households and can often be found from takeout orders or fast food restaurants. While they may seem like a single-use item, there are actually many ways to reuse them before throwing them away. Not only does reusing plastic knives save money, but it also helps to reduce waste and lessen our impact on the environment. Here are some creative and practical ways to reuse plastic knives:

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1. Use Them for Gardening

Plastic knives can be useful in gardening as they can be used as markers for identifying plants or seedlings. Simply write the name of the plant on the handle with a permanent marker, and stick it into the soil next to the plant. This way, you can easily remember what you have planted without having to constantly check or guess.

2. Create DIY Cutting Tools

If you need to make precise cuts in paper, cardboard, or fabric, plastic knives can make great DIY cutting tools. Simply tape or glue the knife to a popsicle stick or wooden dowel and you have an instant cutting tool. This can be especially helpful for children’s crafts or small projects.

SEE ALSO: How To Reuse Wood

3. Use Them in the Kitchen

Plastic knives can come in handy in the kitchen as well. Use them to spread butter, jam, or frosting on bread or cupcakes. They can also be used to chop herbs or other small ingredients. Just be sure to clean them thoroughly before and after use.

4. Make Plant Markers

Similar to using plastic knives for gardening, they can also be used as plant markers in your garden or potted plants. Use the handle to write the name of the plant and stick it into the soil. This not only helps to keep your garden organized, but it also adds a creative touch to your plants.

5. Use Them for Arts and Crafts

Plastic knives can be useful in various arts and crafts projects. They can be used to create texture in paintings or to make patterns in clay or playdough. Get creative and see what unique designs you can come up with using plastic knives.

6. Use Them as Stencils

If you’re in need of stencils for a project, plastic knives can serve as a great alternative. Simply cut out the desired shape from the knife and use it as a template. This is a great way to repurpose old plastic knives and save money on stencils.

7. Create Bottle Openers

If you find yourself without a bottle opener, a plastic knife can come in handy. Simply use the end of the handle to pry open a bottle. However, be careful not to use too much force as it can cause the knife to snap.

8. Use Them for Cleaning

Plastic knives can be great for cleaning hard-to-reach areas like corners and crevices. They can also be used to scrape off stubborn dirt or grime from surfaces. Just be sure to clean and sanitize the knives after use.

9. Donate Them

If you have a surplus of plastic knives that you no longer need, consider donating them to a school or community center. Plastic knives can be useful for various art projects and can help reduce their expenses. You can also check with local restaurants or food banks to see if they can use them for their takeout or meal programs.

10. Recycle Them

If none of the above options work for you, be sure to properly recycle your plastic knives. Check with your local recycling center to see if they accept them or if there are any special instructions for recycling plastic knives in your area.


As you can see, there are many practical and creative ways to reuse plastic knives instead of throwing them away after a single use. By doing so, we can help reduce waste and protect the environment. So next time you have some extra plastic knives, consider trying one of these ideas before tossing them out.