Does Putting Knives in Dishwasher Dull Them? The Truth Revealed!

Knives In Dishwasher

Dishwashers are amazing and have totally changed the way we function in the kitchen today. Dishwashers allow us to clean dishes more quickly, thoroughly, and save us a great deal of time.

Unfortunately, dishwashers are not invincible and not every object can go inside of them. What happens to your knives if you put them in the dishwasher? Let us explore how to keep your dishwasher safe and your knives sharp.

There are a few reasons why you should not put your knives inside of your dishwasher

The first reason being safety. Not everything in your dishwasher stays in one position while it’s running. Smaller items have a higher chance of shifting or even being thrown around while the dishwasher is on.

So what will happen if you put your knives in the dishwasher? Smaller knives have a higher chance of not only moving, but being propelled during dishwashing use. This can be very dangerous and cause a lot of damage to your machine.

Knives are typically pretty small and can very easily get caught in the fan on the bottom of your dishwasher and cause it to stop working. If this happens while the dishwasher is running this can make a major malfunction take place that could even break your entire machine.

Another possibility is that the knife can get stuff inside of the track system that allows you to pull out your dishes after they are done. The track system can be easily disrupted and easily broken. If you cannot see what is blocking the track you could easily keep pulling and break the wheels that make this system work.

Another aspect of safety is the unloading of the dishwasher. If you have children, you should be concerned about knives in your dishwasher. They could very easily accidentally grab the wrong side of the knife when trying to help unload the machine.

As mentioned early, knives tend to move and shift during the dishwashing cycle. So, if someone is not paying attention they could reach for a plate and accidentally grab the sharp end of a knife.

After a while, your knives will begin to become dull if you continue to put them in the dishwasher. The chances of mobility inside the machine will help your knife become dull. By them bouncing around other items they will experience more wear and tear. The pressure of the water and intensity of the soap used will also begin to dull your knives.

If you place your knives in the silver wear compartment of the machine face up, they will endure more water pressure and over time this will definitely have an effect. Washing your knives by hand increases the safety of people who come into contact with them. This will also help to keep your silverware sharper over time.

The longer amount of time your knives remain sharp the less amount of money you will have to spend replacing them. Prevention is the best cure and the best way to save you and your family money.


I’m Ahmed, the guy behind I’ve owned several types of knives and sharpeners over the last few years and have become obsessed with everything to do with knives. I’m always trying to improve my cleaning and sharpening process, and always on the hunt for the next best knife. But when I’m not spending time with my hobby, I’m here, writing about Knives and Sharpeners on KnifePulse to share with you what I learn along the way.

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