Socket Conversion Quiz - Imperial to Metric

Answer each question below. Your score will be calculated in the browser after submission.

Quiz Questions

1. What is the common metric equivalent of a 1/4 inch socket?

5 mm 6 mm 7 mm 8 mm

Difficulty: Easy

2. What is the common metric equivalent of a 5/16 inch socket?

7 mm 8 mm 9 mm 10 mm

Difficulty: Easy

3. What is the common metric equivalent of a 3/8 inch socket?

8 mm 9 mm 10 mm 11 mm

Difficulty: Easy

4. What is the common metric equivalent of a 7/16 inch socket?

10 mm 11 mm 12 mm 13 mm

Difficulty: Easy

5. What is the common metric equivalent of a 1/2 inch socket?

12 mm 13 mm 14 mm 15 mm

Difficulty: Easy

6. What is the common metric equivalent of a 9/16 inch socket?

13 mm 14 mm 15 mm 16 mm

Difficulty: Easy

7. What is the common metric equivalent of a 5/8 inch socket?

14 mm 15 mm 16 mm 17 mm

Difficulty: Easy

8. What is the common metric equivalent of an 11/16 inch socket?

16 mm 17 mm 18 mm 19 mm

Difficulty: Medium

9. What is the common metric equivalent of a 3/4 inch socket?

18 mm 19 mm 20 mm 21 mm

Difficulty: Easy

10. What is the common metric equivalent of a 13/16 inch socket?

19 mm 20 mm 21 mm 22 mm

Difficulty: Medium

11. What is the common metric equivalent of a 7/8 inch socket?

21 mm 22 mm 23 mm 24 mm

Difficulty: Easy

12. What is the common metric equivalent of a 15/16 inch socket?

22 mm 23 mm 24 mm 25 mm

Difficulty: Easy

13. What is the common metric equivalent of a 1 inch socket?

24 mm 25 mm 26 mm 27 mm

Difficulty: Easy

14. What is the common metric equivalent of a 1-1/16 inch socket?

25 mm 26 mm 27 mm 28 mm

Difficulty: Medium

15. What is the common metric equivalent of a 1-1/8 inch socket?

27 mm 28 mm 29 mm 30 mm

Difficulty: Medium

16. What is the common metric equivalent of a 1-3/16 inch socket?

29 mm 30 mm 31 mm 32 mm

Difficulty: Medium

17. What is the common metric equivalent of a 1-1/4 inch socket?

30 mm 31 mm 32 mm 33 mm

Difficulty: Medium

18. What is the common metric equivalent of a 1-5/16 inch socket?

32 mm 33 mm 34 mm 35 mm

Difficulty: Hard

19. What is the common metric equivalent of a 1-3/8 inch socket?

33 mm 34 mm 35 mm 36 mm

Difficulty: Hard

20. What is the common metric equivalent of a 1-7/16 inch socket?

35 mm 36 mm 37 mm 38 mm

Difficulty: Hard

21. What is the common metric equivalent of a 1-1/2 inch socket?

36 mm 37 mm 38 mm 39 mm

Difficulty: Hard

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