⚙

SOCKET &
WRENCH
CONVERTER

SAE ↔ METRIC FASTENER REFERENCE

Convert Socket Sizes Instantly

Quickly find the closest SAE and Metric socket equivalents.

⚙ Interactive Converter

🔧 SAE ↔ Metric Reference Chart

6 mm

Closest SAE: 1/4"

8 mm

Closest SAE: 5/16"

9 mm

Closest SAE: 11/32"

10 mm

Closest SAE: 3/8"

11 mm

Closest SAE: 7/16"

13 mm

Closest SAE: 1/2"

14 mm

Closest SAE: 9/16"

16 mm

Closest SAE: 5/8"

17 mm

Closest SAE: 11/16"

19 mm

Closest SAE: 3/4"

21 mm

Closest SAE: 13/16"

22 mm

Closest SAE: 7/8"

24 mm

Closest SAE: 15/16"

25 mm

Closest SAE: 1"

❓ FASTENER FAQ

Common Questions

Are SAE and Metric sockets interchangeable?

Some sizes are close, but the correct socket should always be used when possible.

Why do mechanics need both?

Vehicles and equipment may use different fastener standards depending on manufacturer.