Maintaining proper tire tread depth is not just a recommendation; it’s a critical component of vehicle safety. Worn tires significantly increase stopping distances and reduce traction, especially in wet or icy conditions, putting you and your passengers at risk. Regularly checking your tread depth is a simple yet effective habit that can prevent accidents and ensure your vehicle performs as intended.
A digital tire tread depth gauge provides the precision and ease of use that traditional methods, like the penny test, simply cannot match. By giving you an exact measurement, these tools take the guesswork out of tire maintenance. This roundup explores the best digital gauges on the market, helping you choose the right tool to confidently assess your tire health and drive with greater peace of mind.
The Best Digital Tire Tread Depth Gauges for 2024
- GODESON Digital Tyre Tread Depth Gauge UK
- JACO TreadPro Tire Tread Depth Gauge, Dial Type
- Preciva Tire Tread Depth Gauge, Digital Tire Depth Gauge
- ZIMISI LCD Display Tire Tread Depth Gauge
- SAFELIFE Tire Tread Depth Gauge, Digital Tire Tread Depth Gauge
- Milton Industries EXELAIR Digital Tire Tread Depth Gauge
- Vondior Digital Tire Pressure Gauge with Inflator
- Vondior Digital Tire Inflator with Pressure Gauge 200 PSI
- 3 Pieces Tire Tread Depth Gauge Tool Digital Tread Depth Gauge
- Milton S-921 Dual Head Tire Tread Depth Gauge
GODESON Digital Tyre Tread Depth Gauge UK

The GODESON Digital Tyre Tread Depth Gauge offers high accuracy with a precision of 0.01mm, ensuring you get a reliable measurement every time you check your tires. It reads in both inches and millimeters, covering a range from 0 to 25.4mm (1 inch), which is suitable for most passenger and light truck tires. This versatility makes it a practical tool for any vehicle owner.
Its large LCD screen is designed for easy reading, even in direct sunlight or low-light conditions. The simple operation means you can get a reading with a single press. This gauge is built for wide usage, working effectively on cars, trucks, motorcycles, and pick-ups, making it a universal tool for your garage.
JACO TreadPro Tire Tread Depth Gauge

For those who prefer a classic, tool-like feel, the JACO TreadPro Dial Type Gauge is an excellent choice. It provides precise readings in the standard 1/32 inch increments, which is the common measurement used in the automotive industry. Its durable mechanical design requires no batteries, so it’s always ready to use.
The standout feature of this gauge is its color-coded scale. The dial clearly shows a green zone for safe tread, a yellow zone indicating wear, and a red zone signaling that replacement is needed. This intuitive visual system takes the interpretation out of the numbers, giving you an immediate understanding of your tire’s health.
Preciva Tire Tread Depth Gauge

The Preciva Digital Tire Depth Gauge stands out with its exceptional versatility in measurement units. It effortlessly converts between inches, millimeters, and fractions (32nds), making it ideal for both DIY enthusiasts and professionals who may need to reference different standards. Its zeroing function allows for accurate measurements at any starting point.
This model features a large 2.5-inch LCD screen that ensures numbers are clear and easy to read. Built with a corrosion-resistant stainless steel probe and a robust ABS plastic body, the Preciva gauge is designed to withstand the rigors of regular use in a garage environment, offering both clarity and durability.
ZIMISI LCD Display Tire Tread Depth Gauge

The ZIMISI Digital Tire Tread Depth Gauge is valued for its compact and portable design. Measuring just 4.43 by 2.37 inches, it is easy to store in a glove box or tool chest without taking up much space. Despite its small size, it doesn’t compromise on performance, offering a high resolution of 0.01mm across a 0-1 inch range.
Its digital LCD display provides clear and intuitive readings. The gauge is constructed from high-quality plastic that is both wear-resistant and drop-resistant, ensuring it remains a reliable part of your automotive toolkit for years to come. Please note that you will need to supply your own battery for this unit.
SAFELIFE Tire Tread Depth Gauge

The SAFELIFE Professional Digital Gauge is built for accuracy and ease of use. It features a one-touch switch to interchange between metric and imperial units, catering to different user preferences. With an accuracy of +/- 0.01mm, it provides the precise data needed to make informed decisions about tire replacement.
A significant benefit of this model is its large LCD screen with a backup depth bar scale. This means that even if the battery runs out, you can still get a reliable measurement of your tire tread, ensuring you are never left without a functioning tool when you need it most. It’s a practical choice for all types of vehicles.
Milton Industries EXELAIR Digital Tire Tread Depth Gauge

From the trusted brand Milton Industries, the EXELAIR gauge brings professional-grade reliability to the consumer market. It is performance-tested and calibrated to ensure accurate measurements in both inches and millimeters. This level of precision helps you monitor tire wear patterns effectively, which can also contribute to better fuel efficiency.
Operation is straightforward with dedicated On/Off and Zero buttons. The tare function allows you to zero the gauge at any depth, which is useful for comparative measurements. The digital display removes any ambiguity, providing a clear number that helps you protect your vehicle’s safety and performance.
Vondior Digital Tire Pressure Gauge with Inflator

The Vondior 3-in-1 tool is a comprehensive solution for tire maintenance, combining a tire tread depth gauge, a high-pressure inflator, and a accurate pressure gauge. This all-in-one design means you can check tread, inflate tires, and verify pressure with a single, robust tool that connects directly to your air compressor.
Its tire pressure gauge meets ANSI B40.1 standards and accurately measures from 0 to 250 PSI. The construction includes a durable, no-leak braided hose and a solid brass 360-degree swivel for easy maneuverability. This is the ideal tool for someone who wants a professional-grade, multifunctional device for their garage.
Vondior Digital Tire Inflator with Pressure Gauge 200 PSI

Similar to its sibling, this Vondior model is another versatile 3-in-1 tool that integrates a tread depth gauge with inflation and pressure checking capabilities. It is designed to work with all standard ¼” NPT air compressors, making it a versatile addition to any workshop. The large 2-inch digital dial ensures the pressure reading is highly visible.
With a pressure range of 3-200 PSI and compliance with ANSI standards, you can trust its readings for everything from car to truck tires. The premium materials, including the brass swivel and braided hose, are chosen for longevity and leak-free operation, providing great value for a comprehensive tire tool.
3 Pieces Tire Tread Depth Gauge Tool Set

This set from provides exceptional value by including three different measuring tools: a digital tread depth gauge, a color-coded tread gauge, and a brake pad measuring tool. This comprehensive kit allows you to perform multiple safety inspections on your vehicle, from tire wear to brake lining thickness.
The tools are made from flexible plastic and stainless steel, making them lightweight yet durable and resistant to rust. The digital gauge offers an LCD display for precision, while the color-coded gauge gives an instant visual assessment. This set is perfect for the DIYer who wants to be thorough with their vehicle maintenance checks.
Milton S-921 Dual Head Tire Tread Depth Gauge
The Milton S-921 is a simple, durable, and purely mechanical tool that has been a trusted choice for decades. Its dual-head design features two different probe styles—a pin type for standard tread and a flat bridge type for tread wear indicators—allowing for versatile measurement approaches on various tire designs.
As a completely analog tool, it requires no batteries and is built to last. The easy-to-read scale in 32nds of an inch provides clear measurements. Its robust metal construction can handle being dropped or tossed in a toolbox, making it an almost indestructible option for quick and reliable tread depth checks.
Buying Guide: How to Choose the Best Digital Tire Tread Depth Gauge
When I’m looking for a digital tire tread depth gauge, my main goal is to find a tool that gives me accurate and reliable readings to keep my vehicle safe. It’s not just about picking the first one I see; it’s about finding the right balance of features, durability, and ease of use. A good gauge is a small investment for a huge payoff in safety and tire longevity.
First and foremost, I always check for accuracy. The whole point of this tool is to give me a precise measurement, so I look for gauges that are calibrated and have a good reputation for consistency. I prefer models that measure in both 32nds of an inch and millimeters, as this gives me flexibility. The probe or plunger that goes into the tread groove is also critical. It needs to be sturdy enough not to bend with normal use and should be designed to make solid contact with the base of the groove for a true reading.
Next, I consider the display and ease of use. A large, backlit LCD screen is a massive plus, especially if I’m checking tires in a dimly lit garage. The device should be simple to operate, ideally with a single button to turn it on, zero it out, and take a measurement. I don’t want to fumble with complicated menus. Features like a “hold” function that freezes the reading on the screen are incredibly useful, so I don’t have to crane my neck to see the display while the probe is still in the tread.
Durability and power are also on my checklist. I look for a gauge with a robust housing that can survive an occasional drop. A low battery indicator is essential so I’m not caught off guard with a dead device. Many of the best digital tire tread depth gauges come with a protective case or pouch, which is a nice touch for keeping it safe in my glove box or tool chest. Finally, I think about the overall value. I don’t necessarily need the most expensive model, but I’m willing to pay a bit more for a tool from a trusted brand that I know will last for years and provide the peace of mind that comes with knowing my tires are safe.
Frequently Asked Questions
How often should I check my tire tread depth?
I make it a habit to check my tread depth at least once a month and always before a long road trip. Tires can wear down unevenly or more quickly than you might expect, especially if your alignment is off or you do a lot of city driving with sharp turns. Regular checks help me spot a problem before it becomes a safety hazard. It only takes a minute with a good gauge, and it’s a simple way to stay proactive about my vehicle’s maintenance.
What is the legal minimum tread depth, and when should I replace my tires?
In most places, the legal minimum tread depth is 2/32 of an inch. However, I personally don’t wait that long. Many safety experts, and I agree, recommend replacing tires when they reach 4/32 of an inch. At this depth, your ability to channel water away from the tire on wet roads is significantly reduced, increasing the risk of hydroplaning. Using one of the recommended digital tire tread depth gauges takes the guesswork out of this critical decision.
Can’t I just use the penny test instead of buying a gauge?
You can use a penny for a very basic check, but it’s not a substitute for a proper gauge. The penny test only tells you if you’re at or below 2/32 of an inch, which is the absolute legal minimum and is already dangerously low. A digital gauge gives you a precise, numerical reading so you can monitor the gradual wear of your tread over time. This allows you to plan for a tire replacement well before you hit a dangerous level, which is why I find it a much safer and more reliable method.
Are digital gauges more accurate than manual ones?
Generally, yes. A quality digital gauge removes the potential for human error in reading a scale. With a manual dial gauge, you have to squint at a tiny needle and a graduated scale, which can be misinterpreted. A digital model gives you a clear, unambiguous number on an LCD screen. For me, the digital display is easier to read and provides a more consistent and reliable measurement every single time I use it.
Do I need to check the tread depth in multiple places on a tire?
Absolutely, and this is a crucial step that I always follow. Tires rarely wear perfectly evenly. I always check the inner, outer, and center grooves of the tread across the tire’s width. This helps me identify issues like uneven wear, which can be a sign of alignment problems, improper inflation, or suspension issues. Spotting uneven wear early with a precise gauge can save me money on more expensive repairs down the line and extend the overall life of my tires.