Are Lawn Mower Blades Universal? 

Are you in need of new lawn mower blades but unsure if they are interchangeable between different models and brands? Our blog post on Are Lawn Mower Blades Universal? provides answers to this common question. We explain the different types of lawn mower blades and whether they are universal.

If you’re wondering whether lawn mower gas caps are universal, check out our article on Are Lawn Mower Gas Caps Universal? Explained for a clear explanation.

Walk-Behind Lawn Mower – Types of blades and their uses
Lawn mower blades come in different types
Different types of blades have specific purposes
Compatibility of blades depends on the type of mower and blade
Consult owner’s manual or manufacturer for compatibility information
Blades should be replaced regularly for optimal lawn maintenance

What else should you know about buying universal parts instead of brand-specific ones? 

Are Lawn Mower Blades Universal?

You may have heard that some blades are universal, but are they really? The short answer is no. The long answer is maybe. In general, if you’re installing the same brand and model of blade as your old one, it should fit just fine. 

But if you want to use a different style or size of blade for example, if the manufacturer makes two different types of mulching blades it might not work.

Understanding the universal nature of lawn mower solenoids can help you save time and money on repairs. Our comprehensive guide on lawn mower solenoids explains everything you need to know to keep your lawn mower running smoothly.

How Do I Measure My Mower Blade?

It isn’t enough to know what kind of blade fits your tractor; you also need to know how long it should be so that you can replace it with a new one if necessary (and since we’re talking about something like $50+ here). 

Most manufacturers will provide instructions for measuring their own models’ blades; however there are some general guidelines that apply across brands:

Can I Use A Universal Blade On My Lawnmower?

Yes, you can install a universal blade on your lawnmower. However, there are some things to keep in mind when purchasing a universal blade for use on your machine. You will need to check the size of the mower deck and ensure that the universal blades have the correct number of teeth.

Do All Blades Fit All Mowers?

No, not all blades fit all mowers. Some blades are made for specific mower brands and models, while other blades are universal and will fit most brands of mowers. In addition, some lawnmower decks have different sizes to match the different widths of various types of grass or leaves that need to be cut.

Types of Lawn Mower Blades

Blade TypePurpose
Mulching BladesCuts grass into smaller pieces that can decompose and fertilize the lawn
High-Lift BladesLifts grass for a cleaner cut, ideal for mowers with bagging or side-discharge systems
Low-Lift BladesSmaller and lighter, ideal for mowers with less power and for cutting shorter grass

How Do You Measure A Lawn Mower Blade?

To measure a lawn mower deck, you’ll need to check the size of the blade. This can be done by looking at the length and width of a blade’s mounting holes. The measurement indicates how long your new blade is going to be when installed on your machine.

The measurement of a mower deck is different from its height or width, which are usually measured in inches or millimeters. Instead, we need to measure its diameter (or size). This can help us determine if our old blades will still fit on our new machine when we get it home!

How Do You Measure A Mower Blade?

To measure a mower blade, you’ll need to take a few measurements. The first is length, which can be found by using a ruler and measuring from the tip of the blade to its edge against the deck. Next is width; this is done by holding your ruler at a 45-degree angle and measuring from one side of the blade to another across its face. 

Finally comes height—again with your ruler placed at 45 degrees, this time measure from top rim to bottom rim on one side only (either left or right).

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How Long Is A Lawn Mower Blade?

How to measure a lawn mower blade:

  • Step 1 – Measure the length of your cutting deck. The length includes the front wheels and everything behind them, but does not include any trimming slots (these are cut as needed).
  • Step 2 – Using a ruler or tape measure, begin measuring from one side of the cutting edge (not including any trimmer slots), and go all the way around until you get back to where you started. This is how long it is in total!
  • If you’re looking for help finding replacement blades, visit our guide on “How do I measure a mower blade?”

How Much Does A Lawn Mower Blade Cost?

Lawn mower blades can vary in price depending on the size of your lawnmower, the brand and model. 

For example, a small tractor-style push mower could have a cost as low as $20 for one blade whereas larger riding tractors may come with two replacement blades at around $15 each. 

You’ll also want to consider whether you’re buying new or used blades from your local hardware store or dealer; used blades tend to be less expensive than new ones but may still require significant maintenance before usage (such as sharpening).

How Much Does A New Blade Cost For My Lawnmower?

There are many factors that determine how much a new blade will cost you. The brand is one of them; if you have an older model, that could mean paying more for the same size blade as someone with a newer model. The price can also vary by the size of your mower deck and by whether or not it’s universal.

A used mower blade can be found on eBay or Craigslist, but these prices may fluctuate wildly depending on the buyer’s location and level of competition from other sellers in their area. You’ll have to do some research before buying used blades online because there are no guarantees about what kind condition it’ll be in when you get it shipped out mail order style!

 If possible, always go to your local hardware store where there will definitely be some sort of return policy just incase something goes wrong–that way they’re liable instead not just yourself.”

Replacing a lost or damaged gas cap on your lawn mower can be frustrating, but our guide on lawn mower gas caps makes it easy. Discover the different types of gas caps and the benefits of finding a universal replacement.

Is It Hard To Change A Lawn Mower Blade On Your Own?

Changing the blade on your own is not hard. If you can change a light bulb, then you can change a lawn mower blade!

Here is what you need to do:

Remove the bolts that hold down the deck and remove it from your mower.

Lift up the deck by hand and store it somewhere safe (like under your seat) for later use. 

Your new blades might come with instructions, so be sure to read them first before installing them onto your mower deck; otherwise head over here for some great tips from experts on how best to install new blades into existing decks without having any problems at all!

Is Replacing The Blades On My Lawnmower Hard To Do Myself?

Replacing the blades on your lawnmower is not hard to do, even if you’ve never done it before. You’ll need a socket set, a wrench and screwdriver.

The process is simple and straightforward: First, remove the spark plug wire from your mower’s cylinder head; then remove the nuts holding down the blade on each side of its motor shaft. If there are two bolts per blade — one at each end — then use your socket set to take out those bolts as well. 

Finally, lift off both blades and replace them with new ones that match the width and size of your old ones (you can find this information printed on either side). 

Reattach all four bolts in reverse order: first reinserting any two-bolt units by hand until they bottom out against their housings; then putting down two nuts onto either side of each unit’s shaft so they become locked into place again; finally tightening both nuts using only hand pressure until they reach full torque without being forced too tight or too loose.*

What Are The Differences In Lawn Mower Blades From Manufacturer To Manufacturer?

The answer is yes. Differences in the length of a blade are the most obvious one that you’ll notice. Some companies offer shorter blades while others offer longer ones, but they all have their own unique style and shape that determines how they work on your specific model of mower deck.

You can also expect to see differences in hardness as well as durability when comparing brands, since each has its own strengths and weaknesses when it comes to manufacturing processes. 

You may find that one company uses harder steel compared with another brand, but this does not mean that either will be better than another type; it simply means they function differently under certain conditions (such as cutting grass).

A lawn mower bag is an essential accessory for keeping your lawn clean and tidy, but finding the right one for your mower can be challenging. Check out our guide on lawn mower bags to learn about the different types of bags and how to find the right one for your lawn mower.

Do Lawn Mower Blades Fit All Models?

The answer to this question is simple. No, not all blades are universal. Some blades are specific to a brand of mower, and others are specific to a size of mower deck. Still others are considered “universal”, but not all will fit every situation.

Think about it this way: Think about the difference between snow tires and regular wheels when you need new tires on your car in winter months versus summer months (assuming they’re different sizes). 

The same thing applies here you’re going from one type of blade to another, so it’s important that you purchase the correct size blade for your application in order for it work properly with your mower deck and prevent damage to other parts such as pulleys or belts if they aren’t aligned correctly because they don’t fit together properly due their size difference between brands/models

Will My Old Blade Fit My New Mower?

Yes! Universal blades are available for almost every type of mower and will fit on any brand or model. You can use a universal blade on your old mowers and new ones alike, as well as other brands of lawnmowers (as long as they have a standard size).

Will My New Blade Fit My Old Mower?

When replacing a lawn mower blade, you’ll need to make sure that the new blade will fit your mower’s shaft. The length of the blade and the width of the blade are important, as are certain specifications on how long and wide the hole in the middle of your new blade should be.

Can I Use A Universal Blade On Any Brand Of Mower?

A universal blade is not recommended because it’s more likely to break.

Universal blades are not made to the same quality standards as OEM blades, which means they’re more likely to break. This can cause damage to your mower and even injure you. Also, universal blades aren’t designed for your specific mower, so they may cause an uneven cut or damage other parts of your lawnmower (like bearings or pulleys).

Can I Use A Universal Blade On Any Size Mower Deck?

There are a few things to keep in mind when using universal blades on small mower decks. First, they’re not recommended for small mowers because the blade is too short. This means that it doesn’t have enough weight or power behind it to cut through thick grass and weeds. 

In addition, if you have an uneven or bumpy yard, the vibrations from these conditions could cause your universal blades to bend or snap off. 

So if you’ve got a small yard with lots of trees and shrubs but don’t get much use out of your lawnmower; save yourself some money by purchasing a set of replacement blades from your local hardware store instead of relying on a universal one-size-fits-all solution!

Rain and moisture can damage your lawn mower, but finding a waterproof option can help protect your investment. Learn more about waterproof lawn mowers in our guide on lawn mowers waterproof and keep your mower running smoothly, rain or shine.


There are some brands of lawnmower that use a universal blade. These blades can fit on any brand mower. If you’re looking for a new blade, check out our selection of lawn mower blades at Walmart or online at You’ll find everything you need to keep your yard looking great all year long!

Further Reading

If you want to learn more about lawn mower blades and their universality, check out these additional resources:

Lawn Mower Fixed: This guide offers a detailed explanation of lawn mower blades and whether or not they are universal.

Garden Tool Expert: This article covers the different types of lawn mower blades and whether or not they are interchangeable.

My Backyard Life: This resource offers a comprehensive overview of lawn mower blades and their compatibility with different mowers.


What is a lawn mower blade?

A lawn mower blade is a sharp metal piece that rotates underneath a lawn mower to cut the grass. It is an essential component of any lawn mower.

Are all lawn mower blades the same?

No, there are different types of lawn mower blades, including mulching blades, high-lift blades, and low-lift blades. Each type of blade has a specific purpose and may not be interchangeable with other types.

Are lawn mower blades interchangeable?

It depends on the type of lawn mower and the type of blade. Some blades may be interchangeable between different mowers, while others may not be compatible.

How do I know if a lawn mower blade is compatible with my mower?

You should consult your lawn mower’s owner’s manual or contact the manufacturer to determine which types of blades are compatible with your mower.

How often should I replace my lawn mower blade?

Lawn mower blades should be replaced at least once per mowing season or whenever they become damaged or dull. A sharp blade is essential for maintaining a healthy lawn.