The 10 Best Micrometers
We spent 21 hours on research, videography, and editing, to review the top choices for this wiki. Essential for mechanical engineering and machining of parts that require precise measurements, these micrometers and digital calipers provide the accurate readings needed to keep all kinds of equipment within exact tolerances. Our selection includes choices for the skilled hobbyist or professional craftsman. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best micrometer on Amazon.
10. Neiko 01407A
With a bright, clear, digital display and efficient, one-button switching between inches and millimeters, the Neiko 01407A is designed for effortless operation whether you're in the field or in the lab. This model may not stand up to heavy or full-time use, though.
- shaft has a depth measurement probe
- very affordable price
- not very accurate
|Rating||3.9 / 5.0|
9. Absolute Origin
Once set, the Absolute Origin uses high-accuracy memory technology for keeping track of its original position, which eliminates the need to constantly reset the device to zero. Its battery lasts for two years of light-duty use.
- connects to computers via usb
- backed by 2-year warranty
- fine-tuning knob can start to slip
|Rating||4.0 / 5.0|
8. Platinum Fractional
Capable of recognizing size differences as tiny as 5/10,000 of an inch, the Platinum Fractional has a hardened frame perfect for delivering precise, slip-resistant adjustments. It comes with a small screwdriver that makes replacing the battery fast and simple.
- case made of high-impact plastic
- three different-sized models
- lcd screen somewhat dim
|Rating||3.8 / 5.0|
7. Carrera CP8812-T
With a heavy-duty construction of stainless steel and a titanium alloy head, the Carrera CP8812-T is an affordable machinist-grade tool that provides superior durability, and effectively gauges inside, outside, and depth clearances up to 12 inches.
- thumb wheel fine-tunes the calipers
- auto-shutoff feature
- memory recall can be inconsistent
|Rating||4.2 / 5.0|
6. Disc Brake Gauge
Providing good value for a specialized task, the Disc Brake Gauge by Anytime Tools was custom-designed for auto mechanics. It shows imperial and metric readings on its high-contrast LCD, while its 3.5-inch throat depth accommodates even large rotors.
- conical anvils can measure grooves
- range of two-and-a-half inches
- outside dimensions only
|Rating||4.5 / 5.0|
4. IGaging Large Display
Perfect for the hobbyist machinist on a budget, the IGaging Large Display is a popular and easy-to-read way to measure very small items. Connect the device to a computer's USB port via SPC cable (not included) to input dimensions directly into your favorite design program.
- comes in storage case
- includes ball attachment
- zero- to one-inch range
|Rating||3.9 / 5.0|
3. Mitutoyo 500-196-30
Capable of tackling the most demanding jobs, the high-accuracy Mitutoyo 500-196-30 measures up to six inches in increments of 0.0005 of an inch. Proprietary technology renders it resistant to foreign substances like oil and dirt, and both a case and a battery are included.
- reads absolute or incremental sizes
- gauges inside or outside dimensions
- made by industry leader
|Rating||4.1 / 5.0|
2. Starrett T444.1 Ratchet-Stop
Maintain the tightest clearances in any shop using the Starrett T444.1 Ratchet-Stop, with a renowned brand name reflecting a superbly-balanced construction. Special heat insulators ensure that the high-accuracy parts won't expand or contract over time.
- satin-chrome finish resists rust
- comfortable and easy to handle
- locking spindle for stability
|Rating||5.0 / 5.0|
1. Mitutoyo 293-340-30
Made by one of the top names in digital calipers, the Mitutoyo 293-340-30 features carbide-tipped measuring faces suitable for use in harsh working conditions. Take accurate, reliable readings with its consistent pressure and long-term durability.
- great for professional applications
- rugged ip65 construction
- high precision for close tolerances
|Rating||4.9 / 5.0|