Convert 1 inches to mm
1 inches = 25.4 millimeters. See the conversion formula, step-by-step calculation, and quick reference table.
1 in (inches)
= 25.4 mm (millimeters)
Step-by-Step Solution
1
Convert 1 in to millimeters
We need to convert inches to millimeters
2
Apply the formula
Since 1 mm = 25.4 in, multiply by 25.4
1 × 25.4 = 25.4
✓
Answer
1 in = 25.4 mm
Inches to Millimeters Conversion Table
| Inches (in) | Millimeters (mm) |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 3 in | 76.2 mm |
| 4 in | 101.6 mm |
| 5 in | 127 mm |
| 6 in | 152.4 mm |
| 7 in | 177.8 mm |
| 8 in | 203.2 mm |
Frequently Asked Questions
What is 1 inches in millimeters?
1 inches equals 25.4 millimeters.
How do I convert 1 in to mm?
To convert 1 inches to millimeters, multiply 1 by 25.4. The result is 25.4 mm.
What is the formula for inches to millimeters?
The formula is: mm = in × 25.4.