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How do I know what size my wiper blades are?

Knowing the correct size of your wiper blades is essential for ensuring they fit properly and provide optimal performance in clearing your windshield. Fortunately, determining your wiper blade size is a straightforward process that can be accomplished in a few simple steps.


Measure Your Wiper Arm


The first step in finding the right wiper blade size is to measure the length of your wiper arm. This can typically be done by extending the wiper arm and measuring the distance from the base of the wiper arm to the tip of the blade. The most common wiper blade sizes are 16, 18, 20, 22, and 24 inches.


Check Your Owner's Manual


Another reliable way to determine your wiper blade size is to consult your vehicle's owner's manual. The manual will typically list the recommended wiper blade sizes for your specific make, model, and year of vehicle. This information is often the most accurate, as it is provided by the vehicle manufacturer.


Inspect Your Current Wiper Blades


If you're unsure of your wiper blade size and don't have access to your owner's manual, you can inspect your current wiper blades. Look for a size marking or measurement printed on the blade itself, which will indicate the correct replacement size.


Use an Online Lookup Tool


Many auto parts stores and websites offer online tools that allow you to enter your vehicle's information and receive the recommended wiper blade size. These tools can be a convenient way to quickly determine the right size without having to measure or consult your owner's manual.


Tips for Replacing Wiper Blades



  • Replace wiper blades at least once a year, or more frequently if they show signs of wear or damage.

  • Always replace wiper blades in pairs to ensure even and consistent performance.

  • Consider upgrading to premium wiper blades for improved visibility and durability.


By following these steps, you can easily determine the correct size of your wiper blades and ensure they provide the best possible performance for your vehicle.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.