10 Best Depth Gauges 2025

If you're looking for a reliable and accurate way to measure depth, look no further than our top 10 depth gauges. We reviewed and scored many products in the depth gauge category, and we found products ranging from a 7.4 score up to an impressive 9.5 score. Our top pick is the Mitutoyo 129-132 Depth Micrometer, featuring a 4" base and accurate measurements down to .001". The Mitutoyo brand is known for its precision and durability, making it a top choice for professionals and DIY enthusiasts alike. So whether you're measuring the depth of a groove or a bore, the Mitutoyo 129-132 Depth Micrometer is the perfect tool for the job. Keep reading to discover our other top picks for the best depth gauges on the market.