8 millimeters is a little over 5/16 of an inch. Specifically, 8 mm equals 0.315 inches, which is about 0.315 in. Context and quick conversions:
- In metric, 8 mm is exactly eight millimeters.
- In common inch fractions, 8 mm is closest to 5/16 inch (0.3125 in) but it is slightly larger, at 0.315 in.
- For reference, 1 inch equals 25.4 mm, so 8 mm = 8 / 25.4 ≈ 0.315 in.
If you need more precise or alternate unit conversions (e.g., to centimeters or micrometers), I can provide those.
