3 mm in inches
3 millimeters is 0.1181 inches (1/8″ to the nearest sixteenth).
Unit converter
Measurements
| mm | in | Fraction |
|---|---|---|
| 2 | 0.0787 | 1/16″ |
| 2.5 | 0.0984 | 1/8″ |
| 3 | 0.1181 | 1/8″ |
| 3.5 | 0.1378 | 1/8″ |
| 4 | 0.1575 | 3/16″ |
What to know
Formula: inches = millimeters × 0.03937. So 3 × 0.03937 = 0.1181.
Questions people ask
What is 3 mm in inches?
0.1181 inches.
What is 3 mm on a tape measure?
About 1/8 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.