Why Are Blenders So Loud? We’ve Got the Answer!

Why are blenders so loud? To answer this question and more, we need to understand how these machines work and what makes them so incredibly loud in the first place.

Blenders are consistently ranked among the most sought-after products you can buy, but do you know why? The reasons go beyond just their great performance and convenience in the kitchen. Blenders help you make all sorts of things, from smoothies to frozen drinks to delicious soups!

Blenders are just one of those things that are loud no matter what kind of noise reduction technology you use. To answer this question, let’s examine what makes up a blender and why it makes noise while operating.

loud blender

There are four main parts of any blender – the base, the container that holds the contents, the lid, its seal, and the blade mechanism. These parts contribute to the loud noise people associate with using blenders regularly.

Why are blenders so loud? Top Reasons

Blenders are loud because they must be powerful enough to break solid foods into smaller pieces. Since the blades within the blender revolve at high rates, there is a lot of friction, which results in a lot of noise.

Even if a blender generates a lot of noise, it doesn’t indicate there’s something wrong with it. You can bet it’s coming from a big motor.

However, many other reasons make a blender loud, and here we’ll discuss some of the top reasons “why are blenders so loud.”

It’s worth checking to see if any of these issues are the source of the increased noise from your blender if it was previously silent.

Blades of a Blender

Blenders have blades that need to move quickly to create a smooth texture. The blades cause noise when they hit the sides of the blender. These blades also allow the blender to create smooth textures.

Blades are the main reason blenders are so loud. Whenever food or liquid comes into touch with them, they create a lot of friction. This friction produces vibrations that travel through the blender’s housing and into your ears. The sharper the blades, the more friction they create, and the louder the blender will be.

blades of a blender

Some variants of blenders come with extra pairs of blades that can be changed according to the recipe. When someone changes blades, they do not fit tightly in these variants. In this situation, blades rattle and produce huge noise.

So, always check your blades when your blender makes too much noise.


The speed at which blenders operate is a significant factor in its loudness. The blades inside a blender can move on higher RPMs, which means they’re hitting the sides of the blender jar hundreds of times per minute. The amount of motion results in a great deal of noise.

That’s why we recommend running your blender on the lowest setting possible when you need it to do more than just whip cream or chop some herbs.

speed settings of a blender

And don’t forget about those rubber feet on the bottom of your machine: They help keep vibrations from traveling through your countertop and into your cupboards and drawers.

The motor of a Blender

Have you previously considered, “why are blenders so loud?” It turns out it’s because they’re designed that way! The rapid rotational speeds of the blades produce a significant amount of friction. This friction damages the motor over time and makes the blender louder.

Additionally, the motor is usually located near the bottom of the blender, where it can’t be properly insulated from all the noise.

The motor of a Blender

Many blenders use induction motors to operate, meaning their motors have to work harder to power up the blade. Induction motors create more heat than other motors – this extra heat generates more sound!

If your blender is old, maybe the motor is damaged. You should repair the motor; it will reduce the sound.

Quality of a Blender

A blender’s quality has a lot to do with its loudness. You’ll have to pay a bit more if you’re looking for a top-of-the-line, silent blender. But trust us, it’s worth it! Low-quality blenders are not only loud but also don’t last as long and don’t work.

But don’t worry about the prices; there are many affordable blenders available in the market that are good in quality and quiet in operations.

versatility of a blender machine

Buying a cheaper blender means you’ll be shelling out money to replace it soon. When purchasing your new blender, consider whether or not noise will bother you if used in your home kitchen or if mobility will be an issue when trying to use it on location.

Improper Cleaning

Most people don’t realize that one of the main reasons their blender is so loud is because it isn’t properly cleaned. Over time, dirt and grime can build up on the blades, making them less effective, causing the motor to work harder, and making more noise.

cleaning of a blender

The good news is that your blender can be kept quite silent with only a little bit of preventative maintenance performed regularly. If you want to avoid a loud blender, clean it regularly!

Something is Not Tight

One of the main reasons blenders are so loud is because something is loose inside. When a component is loose, it might jiggle and make noise. Plus, if there’s any liquid inside, it can slosh around and make even more noise.

If your blender is too loud, make sure all of the screws and bolts are tightened properly before using it.

blender is not closed tightly

There should be no slack in the blades or sealant. Check for leaks in the gasket as well. You might need to tighten some screws or bolts loosened over time or replace a broken blade in transit (perhaps during shipping).

Something is Broken

One reason is that there could be something wrong with the blades. If they’re damaged or bent, they’ll hit the container’s sides more forcefully, making a lot of noise.

Another probability is that the motor is going bad. When motors start to fail, they often make strange noises.

a broken blender jar

If your blender is new and loud, it might just be a case of cheap construction.

Parts Assembly is Wrong

The most common reason is that the parts assembly is wrong. When the parts aren’t aligned correctly, they can rub against each other and create a lot of noise.

One such possibility is that the blades are worn out or otherwise damaged. If they’re not sharp, they can’t cut through ingredients as easily and will create more friction and noise.

assembly of a blender

The only way to fix this problem is by disassembling and reassembling the machine. Don’t be afraid of taking things apart! You’ll save time in the long run by preventing future problems with your machine.

Place of a Blender

The location of the blender in the kitchen or house may contribute to its noise. According to the kitchen layout, the blender’s noise can be heard throughout the house.

The noise from a blender hidden behind a shelf may reverberate throughout the house.

During operation, the blender could produce sounds and vibrate excessively if placed on a metal or wood shelf.

Why Are Blenders So Loud

The blender may make noise if it shakes or vibrates against other gadgets nearby while operating.

So, the location of a blender plays an important role in the loudness of this machine.

How to Make a Blender Quieter

To fix a blender generating noise, the first step is to identify the source of the problem. It is simple to fix the problem once you identify the cause of the noises.

If you want the blender to operate with less noise, you might need to experiment with various techniques because it is not always easy to tell which factor is to blame.

How to Make a Blender Quieter

There are a few different things that you may experiment with if you want to learn how to make your blender less noisy.

Blender Location

Many people don’t realize that the position of their blender can have a big impact on how loud it is. If your blender sits on a countertop, it will vibrate and cause a lot of noise.

classic loud blender

In order to minimize noise, place your blender on a towel or mat. This will help absorb some of the vibrations and make it quieter. You can also try placing your blender in a cupboard or pantry to muffle the sound.

Slower Speed

When a blender is set to a slower speed, the blades move more slowly through the food and liquid. This causes less friction, which results in a quieter blend.

A slower speed also prevents hot air from building up inside the jar quickly, creating a pressure buildup that makes the blender louder.

slower speed mixer

If you want your morning smoothie to be quiet but packed with nutrition, try setting your blender on low or medium for one or two minutes before transferring it into another container for consumption.

Wrap a Towel

It’s no secret that blenders are loud. But why are blenders so loud? Well, it turns out it depends on how they’re designed.

Blenders have many moving parts, and when they’re turned on, all of those parts start moving at once. That makes for a lot of noise! But there is another reason blenders are so loud: they’re usually made of metal.

wrap a towel around a loud blender

But don’t worry, there’s an easy fix! Just wrap a towel around the blender while running, which will help muffle the noise.

Towels are recommended to have on hand in case anything spills out of the blender when it is blending.

Clean It Properly

After each usage, it’s critical to thoroughly clean your blender by disassembling it and give it a scrub. It might result in a loud blender if you will not give attention to this.

You need to follow these instructions in order to clean it correctly: First, make sure the blender is unplugged and take out the blade. The blade should then be cleaned with warm, soapy water. Be sure to dry it thoroughly before putting it back in the blender. Next, wipe down the inside of the blender with a damp cloth.

cleaning of a blender

Maintaining frequent and thorough cleaning on your blender can help to keep the motor from being clogged with food particles or fluids that might cause it to malfunction.

Check Broken & Loose Parts

To start, look for any damaged components. If there are any cracks or chips in the blade, this could cause your blender to be louder than usual.

Next, make sure the jug and cap are securely fastened. A loose lid can cause the blender to rattle and make more noise.

Check Broken & Loose Parts of a loud blender

The third step is to see if anything is blocking the blades from spinning freely.


If you’re looking for a way to make your blender quieter, there are a few things you can try.

  • One method is to place a towel over the blender’s top while running, which will help silence some noise.
  • Another option is to blend your ingredients for a shorter amount of time. This won’t make the blender quieter but will reduce the overall noise level.
  • Using your blender at slow speeds will also help you.
  • Maybe your blender is not placed properly; change the place, and always put a rubber mat under the blender.

Sadly, no blender is completely silent. They all generate some level of noise due to their powerful engines and rotating blades.

Blenders are essential kitchen appliances but can also be one of the loudest. If you are wondering, why are blenders so loud? The answer has to do with their design and how they work.

If you are thinking, why are blenders so loud? You’re not the only one.

Blenders are quite complex machines, and they’re so loud because of all the moving parts inside. The moment a blender is turned on, the blades begin whirling really quickly. This creates a lot of friction, making a lot of noise.


So, you’ve just finished reading the above tips on “why are blenders so loud” and are wondering how to make a blender quieter? It’s no secret that blenders are some of the loudest kitchen appliances in your home.

It is because they are designed to do different easy and difficult tasks in a kitchen. They come with metal blades, a metal body, a powerful motor, and a container with a lid. These all are the things that play a role in the loudness of a blender.

We hope that this blog will eventually assist you in lowering the noise level of your blender.