Best Depth Gauges of 2025

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Depth gauges are precision tools used to measure the depth of a surface or hole accurately. They are widely used in various industries, including woodworking, metalworking, and engineering. Depth gauges are available in different types, including dial, digital, and vernier gauges, each with its own advantages and applications. These tools are essential for ensuring accurate measurements and achieving precise results, making them a valuable addition to any toolbox.
At a Glance: Our Top Picks
Top 10 Depth Gauges
Silverline 150mm Depth Gauge with Locking Nut
The Silverline 150mm Depth Gauge is a reliable tool designed for precision. Its hardened steel head with a locking nut ensures stability during measurements, giving you confidence in your results. The accurate stainless steel rule allows you to take precise measurements, which is essential for various tasks. With graduations available in both metric and imperial, you can easily switch between measurement systems, making it ideal for different projects. This depth gauge is a versatile addition to your toolkit, enhancing your measuring capabilities.
KATSU Digital Depth Gauge for Woodworking
The KATSU Depth Gauge is an essential tool for woodworking enthusiasts. Featuring a large screen, it enables you to measure both horizontally and vertically with ease. The tool accommodates measurements from 0 to 3-1/4 inches (0-80mm) with an impressive accuracy of 0.001 inches, ensuring precise results for your projects. You can easily switch between ABS (preset) and INC (zeroset) measurement modes, giving you flexibility in your measurements. The locking screw prevents the rule from sliding, providing you with stability while you work.
Moore and Wright 0-25mm Digital Mini Depth Gauge
The Moore and Wright Depth Gauge is designed for precision measuring with a stroke of 25mm, making it ideal for various tasks. It comes standard with both 25mm and 50mm extension rods, giving you flexibility in measurement. The spring-loaded feature, along with a hold measurement button, allows for easy operation and accurate readings. Additionally, the large LCD display ensures that you can read measurements clearly, enhancing your efficiency while working.
HAZET 666-5 Multi-Colour Tyre Tread Gauge
The HAZET Tyre Tread Gauge offers a glare-free reading, making it easy for you to check your tyre tread depth without any distractions. With a measuring depth of 30 mm, you can accurately assess the condition of your tyres. Its lightweight design ensures that it's easy to handle, providing convenience during use. Additionally, being made from robust hard brass, this gauge is built to last, giving you peace of mind in your workshop. Finally, the graduation in 0.1 mm steps allows for precise measurements, helping you make informed decisions about your tyres.
M-SURE MS-535 Digital Depth Gauge 0-300mm
The M-SURE MS-535 Gauge offers a measuring range of 0 to 300 mm, perfect for various depth measurements. With a resolution of 0.01 mm, you can achieve precise readings, making your work more accurate. Its accuracy of 0.04 mm ensures that you can rely on the measurements for critical tasks. Additionally, this depth gauge conforms to factory standards, providing you with the confidence that it meets industry requirements.
MachEl 6" Depth Gauge for Woodworkers
The MachEl Depth Gauge is a versatile tool perfect for both metal and woodworkers, as well as machinists. It features dual measurements, allowing you to easily read both metric (150 mm) and imperial (6") graduations. The precision markings on the measuring scale and body ensure accurate readings at various angles, making it convenient for detailed work. Additionally, the secure locking nut provides enhanced stability, allowing you to focus on your projects without worrying about measurement errors.
150 mm Depth Gauge Metric Imperial Tool P287
The BARGAINWORLDUK Depth Gauge is a versatile tool designed for precision measurements in both metric and imperial units. Its hardened stainless steel head ensures durability and resistance to wear, making it reliable for various engineering tasks. The inclusion of a locking nut allows you to secure your measurements, providing accuracy during use. With clear graduations in both metric and imperial, you can easily switch between units, catering to your specific project needs. This tool is ideal for anyone requiring precise depth measurements in their work.
Smgda 80mm Digital Depth Gauge for Woodworking
The Smgda Depth Gauge offers precise measurements with a range of 0 to 80mm and a resolution of 0.01 inch. Its large LCD display allows for quick reading, making it easy for you to switch between metric and imperial units. The gauge features a magnet base, enabling you to measure both vertically and horizontally, ensuring versatility in your projects. Additionally, the removable measuring rod design provides convenience, allowing you to measure holes and grooves efficiently for various woodworking tasks.
GLOGLOW Stainless Steel Welding Gauge Tool
The GLOGLOW Gauge Tool is crafted from high-quality stainless steel, ensuring durability and rust resistance for long-lasting use. Its two-part design allows you to measure both gaps and depths, making it versatile for various applications. The clearly marked graduations facilitate easy reading, which is especially beneficial when precision is needed. With both millimetre and inch measurement systems available, you can effortlessly switch between units to suit your needs, enhancing convenience during tasks.
QENETY Aluminium Alloy Height Gauge and Depth Ruler
The QENETY Height Gauge is crafted from high-quality aluminium alloy, ensuring durability and resistance to rust. Its double scale design allows you to measure height and depth with clarity and ease, making it perfect for woodworking projects. The smart, lightweight construction enhances grip and makes operation effortless for you. Its versatility means you can use it for various tasks, including measuring miter heights and saw blade depths, streamlining your woodworking experience.
Frequently Asked Questions (FAQs)
1. What are depth gauges used for?
A depth gauge is an instrument for measuring depth below a reference surface. They include depth gauges for underwater diving and similar applications, and engineering instruments used to measure the depth of holes and indentations from a reference surface.
2. How accurate is a depth gauge?
The accuracy of Depth Gauge is 0.01 mm which is fair enough for linear measurement and also accurate than vernier caliper. You can choose Digital Depth Micrometer, in order to simplify observation only. Both types of Depth Micrometer delivers the same accuracy.
During our depth gauge research, we found 129 depth gauge products and shortlisted 10 quality products. We collected and analyzed 4,605 customer reviews through our big data system to write the depth gauges list. We found that most customers choose depth gauges with an average price of £17.90.
The depth gauges are available for purchase. We have researched hundreds of brands and picked the top brands of depth gauges, including Silverline, KATSU Tools, Moore & Wright, Hazet, M-SURE. The seller of top 1 product has received honest feedback from 886 consumers with an average rating of 4.7.

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.