Inches to millimeters
1/2" = 12.7 mm
Millimeters
12.7
mmFraction
1/2"
Feet & inches
0.5"
Formula
0.5 × 25.4
Tip: click or drag on the ruler to set the value.
How to convert
Multiply the inch value by 25.4 to get millimeters.
0.5 in × 25.4 = 12.7 mm
Quick facts
- Millimeters12.7 mm
- Centimeters1.27 cm
- Meters0.0127 m
- As fraction1/2"