Best Inch Depth Gauges in 2026
Daisy
Last Updated: Feb 8, 2026
Daisy
Last Updated: Feb 8, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| TAURISH | 9.49 | ✅ | ✅ | ✅ |
6" / 150 MM DEPTH GAUGE METRIC & IMPERIAL STANDARDS - ENGINEERING
This steel depth gauge is used to quickly obtain measurements of holes or grooves by adjusting the rule to the desired depth
This depth gauge consists of a gun metal finished base and a steel rule
This gauge can be adjusted to the required measurement and then locked into position by a knurled nut
Head is cut out on one side, adjacent to the rule, permitting easier and more precise measurements
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Anytime Tools | 9.88 | ✅ | ✅ | ✅ |
Includes 1" and 2" interchangeable depth bars to extend the rod to 2", 3" or 4".
3-Reading functions: inch, metric, & fractional
Spring loaded movement for easy use
Reading: 0.0005" / .01mm / 1/64
Use as an indicator or depth gage
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Anytime Tools | 9.88 | ❌ | ❌ | ❌ |
Inch / Metric Range 2" to 6" diameter
Measures bore to 10" deep
Analog bar display with adjustable rang and tolerance indicators
Convenience to indicate measurements whether out of set tolerance or not
Resolution: 0.00005". Super large LCD screen
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
LCD Display: High-quality electronic depth gage features a large LCD screen which displays in inch/metric/fractions; the electronic display can be easily adjusted for zero setting; spring-loaded and hold measurement button for ease of use
Precision Measurements: Features a 0-16"/406mm range, a resolution of 0.0005"/0.01mm (fractions in 1/64" increments), and travel of 0-1"/25mm
Rod Extensions: Five rods with a diameter of 0.176" that can be connected to reach full capacity
Set Includes: A Fowler 54-225-555-0 depth gage, 5 measuring rods, and a hardened plastic case
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Accusize Tools | 9.83 | ✅ | ✅ | ✅ |
Range: 0-150 mm / 0-6'', Accuracy: ±0.003 mm, Base: 4”; No. of rods: 6
Interchangeable rods provide a wide measuring range
High accuracy interchangeable rods enable that reading does not have to be reset when changing rods
Resolution: 0.001 mm (metric); 0.0005''(Inch)
Use SR44 battery (not included)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DiveCatalog | 9.89 | ✅ | ✅ | ✅ |
Sleek, three-gauge inline console combines a pressure gauge, depth gauge, and FS-1.5 compass for easy at-a-glance diving data in a durable, compact plastic-case.
FS-1.5 dive compass features a unique tilt angle of up to 26 degrees for easy reading at almost any position and calibration for the northern hemisphere only.
Oil-filled analog depth gauge offers a linear Bourdon tube design for precise readings at all depths and 60-meter linear scale.
Pressure gauge in brass case with 0-400 bar metric pressure scales and red zone that clearly warns you when approaching extreme pressure situations.
Great for both recreational and technical diving, it's backed by a manufacturer's limited 1-year warranty.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Anytime Tools | 9.88 | ❌ | ❌ | ❌ |
Dual Dial Indicator Inch / Metric 3 scales Inch / Fractional Inch / mm
Fine Adjustment Knob for easy calibration
Range: 0-2" Resolution: 0.001"/0.01mm
Magnetic Base, Smooth Spring Plunger
Includes 3 anvils: Flat, Ball, Extended Tip
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Cgoldenwall Store | 9.82 | ✅ | ✅ | ✅ |
Digital accuracy radius gauge: Can both measure Outer & Inner Radius of arcs & Depth and Step measurement. With Digital dial indicator function,Measuring Range: length displacement 0-13mm (0 ~ 0.5 inch); Resolution: 0.005mm (0.00005 inch); Radius Range: 5-700mm (0.2 ~ 27.5 inch)
Large High Definition Display: the readings are clear at a glance, shown Inner and outer diameter ,Measuring Jaws , Radius R value, Metric and Imperial Units ,length,Arc chord height . With data connection port can be connected to the computer to output data, more convenient and quick.
Inch/Metric Conversion: Switchable between mm and inch, Suitable for All Kinds of Measurement, with simple operation, fast reading, small size, convenient reading, hand-held Measurement characteristics.
Comes in nicely fitted case and 5 Interchangeable Measuring Jaws: 10mm/ 20mm/ 30mm/ 60mm/ 100mm. You can choose corresponding jaws according to your measuring needs.
Daily MEASURE helper：Work well on daily basis arc measurement, such as mechanical parts, wooden molds, construction steel molds, etc. ATTENTION: the battery is NOT included in the package due to air transport regulation.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| VDIAGTOOL Direct | 7.52 | ✅ | ✅ | ✅ |
💥 【2023 NEWEST COATING THICKNESS GAUGE】 - You are getting a superior paint thickness gauge for cars! ✅ Built-in Battery; ✅ 180° Screen Rotation (VC200)/360° Screen Rotation(VC300); ✅ Voice Prompt; ✅ HD Color Screen; ✅ High Contrast Backlight LCD; ✅ Highly Sensitive Fe/NFe Probe; ✅ Single/Continuous Measurement; ✅ Self-calibration; ✅ Metric/Imperial Unit; ✅ Automatic Shut Down. 📣 Any questions, reach us via: 📥vdiagtool2 @ out look . c om📥
🚗【HIGH ACCURACY and HD COLOR SCREEN DISPLAY】- This car paint thickness tester has 2” color-screen HD display, the high contrast backlight can show the measurement data clearly even when you are in dark or in bright light outdoors. You can set the background color (Black, Blue, Orange) and brightness to get more comfortable readings.
🚙 【AUTOMATIC SUBSTRATE RECOGNITION and PROTECT YOUR PAINT】- This paint gauge thickness meter adopts the highly sensitive probe which can identify iron (ferrous) and aluminum (non-ferrous) substrates automatically. The coating thickness data will be measured accurately in seconds! With the dynamic design of the probe sensor, this paint depth gauge can measure on surfaces of any shapes - concave, rough and convex, the V-shaped coating probe will not scratch the paint when you do the test.
⚖【BASIC/ZERO-POINT and OFFSET CALIBRATION】- To get the results more accurately, please do the calibration for this paint meter thickness gauge for cars before measurement. Just press the calibration button and put the different standard foils in sequence, you can adjust the value by pressing the up/down button to make it is the same as the standard foils. Don't know how to do it? Please download the user manual from the product page or reach us via: 📨vdiagtool @ out look . c om📨
🆗【USB RECHARGEABLE & PORTABLE】- This automotive paint depth gauge can be charged up with a USB cable (included in the package). So you don’t have to rush out and buy batteries if the device runs out of power. Unlike other heavy devices, this paint thickness tester is so lightweight (ONLY 0.28lb), you can fit it in your pocket or in a small bag to bring it along. Any questions, kindly reach us via: 📨vdiagtool @ out look . c om📨
💥 【SUPER HANDY TOOL BEST FOR YOU】- Using this car paint meter is extremely easy. All you have to do is turn it on and simply press it against the paint and wait until the actual paint thickness is displayed, then move on to the next test point. Easily fit in one hand, so it is so convenient for you when take it on your pocket and do the testing everywhere! It is perfected used by person who want to buy the used car, car detailer, paint shop, used car dealer, DIYer, paint professional and ect.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| RIVERWELDstore | 9.78 | ✅ | ✅ | ✅ |
Fillet Weld Butt Weld Automatic Weld Size Welding Gauge Metric Stainless Steel Inspection Gauge
Metric
Stainless Steel
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| DiveCatalog | 9.89 | ✅ | ✅ | ✅ |
Sleek, two-gauge U-line console combines a pressure gauge (0-400 bar metric scale) with depth gauge in a durable plastic case for easy at-a-glance diving data.
Oil-filled analog depth gauge offers a linear Bourdon tube design for precise readings at all depths up to 60 meters.
Both gauges feature red zones that clearly warn you when approaching extreme depth or pressure situations.
C1 compass (sold separately) can be attached at the bottom of the console boot. Ideal for the traveling diver who uses a non-air-integrated computer.
Great for both recreational and technical diving, it's backed by a manufacturer's limited 1-year warranty.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| RIVERWELDstore | 9.78 | ✅ | ✅ | ✅ |
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Igaging | 2 |
| Riverweld | 2 |
| Scubapro | 2 |
| Accusize Industrial Tools | 1 |
| Ai | 1 |
| Anytime Tools | 1 |
| Cgoldenwall | 1 |
| Fowler | 1 |
| Vdiagtool | 1 |
We've carried out a comprehensive analysis of 741 reviews on depth gauges, using our selection criteria to identify the best options in the test, measure & inspect. Our findings reveal that most customers typically select depth gauges priced around $108.24, with top brands including ai, igaging, gemred, newkita, anytime tools, molain, preciva, mitutoyo and fowler and godeson
Our team of expert editors reviewed these high-quality items and handpicked the top 12 depth gauges for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the test, measure & inspect category. These include taurish, anytime tools, gemred, smells, molain store, hongsw, amazon.com, smartiredirect and rumexeng and jerayus .
We are dedicated to assisting our users in finding the right gauges Products based on their needs, saving them considerable time when choosing which depth gauges to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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