8 mm in inches
8 millimeters is 0.315 inches (5/16″ to the nearest sixteenth).
Unit converter
Measurements
| mm | in | Fraction |
|---|---|---|
| 7 | 0.2756 | 1/4″ |
| 7.5 | 0.2953 | 5/16″ |
| 8 | 0.315 | 5/16″ |
| 8.5 | 0.3346 | 5/16″ |
| 9 | 0.3543 | 3/8″ |
What to know
Formula: inches = millimeters × 0.03937. So 8 × 0.03937 = 0.315.
Questions people ask
What is 8 mm in inches?
0.315 inches.
What is 8 mm on a tape measure?
About 5/16 inches, rounded to the nearest 1/16 inch mark.
Related sizes
Sources and method
- International yard and pound agreement (1959): 1 in = 25.4 mm exactly
Imperial and metric values are converted with 1 in = 25.4 mm exactly and rounded only for display. Found a mistake? Report it and we will correct the page.