0.5 Inches to mm
0.5 in = 12.7 mm
0.5 inches equals 12.7 millimeters.
How to convert 0.5 in to mm
Use the formula mm = in × 25.4:
mm = 0.5 × 25.4mm = 12.7
So 0.5 in = 12.7 mm.
Rounded values and quick estimate
- Rounded to a whole number: 13 mm
- Rounded to one decimal place: 12.7 mm
- Conversion factor: 1 inch = 25.4 millimeters
This conversion is exact, so there is no need to estimate: just multiply by 25.4.
0.5 Inches in other units
- Millimeters
- 12.7 mm
- Centimeters
- 1.27 cm
- Meters
- 0.0127 m
- Kilometers
- 0.000013 km
- Feet
- 0.0417 ft
- Yards
- 0.0139 yd
- Miles
- 0.000008 mi
- Micrometers
- 12700 µm
- Hands
- 0.125 hh
- Nautical miles
- 0.000007 nmi
- Mils (thou)
- 500 mil
0.5 in and nearby values
| Inches | Millimeters |
|---|---|
| 0.1 in | 2.54 mm |
| 0.2 in | 5.08 mm |
| 0.3 in | 7.62 mm |
| 0.4 in | 10.16 mm |
| 0.5 in | 12.7 mm |
| 0.6 in | 15.24 mm |
| 0.7 in | 17.78 mm |
| 0.8 in | 20.32 mm |
| 0.9 in | 22.86 mm |
About inches and millimeters
An inch is defined as exactly 2.54 centimeters. There are 12 inches in a foot; inches are used in the US for screens, heights and small lengths.
A millimeter is one thousandth of a meter (0.1 cm). It is used for small, precise measurements like rainfall, screws and paper thickness.
Related conversions
Frequently asked questions
What is 0.5 Inches in mm?
0.5 inches is 12.7 millimeters (0.5 in = 12.7 mm).
How do you convert 0.5 in to mm?
Apply mm = in × 25.4: mm = 0.5 × 25.4, mm = 12.7.
How many inches is 12.7 mm?
12.7 mm is about 0.5 inches.