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A tread depth gauge shows how much tire life is left. Replace tires well before they reach the legal minimum.

This guide is built from Amazon product listings, not our own testing, so confirm specs, safety ratings and current price on each product page.

Prices are approximate US dollar conversions of what Amazon showed on October 31, 2026.

Last updated: October 31, 2026.

Quick Picks

Product Type Best for
Color-Coded Tire Tread Depth Gauge Tread depth gauge Cheapest, color coded
Smart Color Coded Tire Tread Depth Gauge (88702) Tread depth gauge 2 pieces
Dial Type Tire Tread Depth Gauge 88703 Dial tread gauge Professional dial
Digital Tire Tread Depth Gauge (0-25.4 mm) Digital tread gauge Digital readout
Digital Tire Tread Depth Gauge (3 Modes) Digital tread gauge Fraction and metric modes

Our Picks

1. Color-Coded Tire Tread Depth Gauge

A color-coded tire tread depth gauge, per the listing. It was shown at about $4 on Amazon.com on October 31, 2026.

Good for: Cheapest, color coded. Watch out: less precise.

Check on Amazon

2. Smart Color Coded Tire Tread Depth Gauge (88702)

A smart color-coded tire tread depth gauge 88702, per the listing. It was shown at about $5 on Amazon.com on October 31, 2026.

Good for: 2 pieces. Watch out: less precise.

Check on Amazon

3. Dial Type Tire Tread Depth Gauge 88703

A dial-type tire tread depth gauge 88703 for motorcycle, car and truck, per the listing. It was shown at about $10 on Amazon.com on October 31, 2026.

Good for: Professional dial. Watch out: mechanical dial.

Check on Amazon

4. Digital Tire Tread Depth Gauge (0-25.4 mm)

A digital tire tread depth gauge, 0 to 25.4 mm, per the listing. It was shown at about $13 on Amazon.com on October 31, 2026.

Good for: Digital readout. Watch out: check units.

Check on Amazon

5. Digital Tire Tread Depth Gauge (3 Modes)

A digital tire tread depth gauge with 3 modes including fraction, per the listing. It was shown at about $20 on Amazon.com on October 31, 2026.

Good for: Fraction and metric modes. Watch out: lesser-known brand.

Check on Amazon

How to Choose

Color-coded or digital

Digital gives exact numbers.

Units

Check 32nds or millimeters.

Use

Measure several spots.

Frequently Asked Questions

What tread depth is safe?

Check local legal limits and the tire maker.

Cheapest?

The color-coded gauge.

Best?

Digital for precision.

Bottom Line

For cheap checks, the color-coded gauges. For exact numbers, the digital models.

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