1 Inches to MM
Convert 1 inches (in) to millimeters (mm) with formulas, examples, and conversion tables.
in
mm
1 in = 25.4 mm
Full precision:25.4 mm
Step-by-Step Solution
To convert 1 inches to millimeters, we multiply by 25.4 because one inch equals exactly 25.4 millimeters.
1 inch = 25.4 millimeters
Since each inch contains 25.4 millimeters, we multiply our value by this factor:
1 × 25.4 = 25.4 millimeters
So 1 inches = 25.4 millimeters.
Quick check: 25.4 ÷ 25.4 = 1 inches
Inches to Millimeters Conversion Table
| Inches | Millimeters |
|---|---|
| 1 in | 25.4 mm |
| 2 in | 50.8 mm |
| 3 in | 76.2 mm |
| 4 in | 101.6 mm |
| 5 in | 127 mm |
| 10 in | 254 mm |
| 20 in | 508 mm |
| 50 in | 1270 mm |
| 100 in | 2540 mm |
1 Inches in Other Units
| Unit | 1 in = |
|---|---|
| Inches to Kilometers | 0.0000254 km |
| Inches to Meters | 0.0254 m |
| Inches to CM | 2.54 cm |
| Inches to MM | 25.4 mm |
| Inches to Micrometers | 25400 μm |
| Inches to Nanometers | 25400000 nm |
| Inches to Miles | 0.00001578 mi |
| Inches to Yards | 0.027778 yd |
| Inches to Feet | 0.083333 ft |
| Inches to Nautical Miles | 0.00001371 nmi |
| Inches to Fathoms | 0.013889 ftm |
| Inches to Light Years | 2.6847e-18 ly |
| Inches to Astronomical Units | 1.6979e-13 AU |
| Inches to Parsecs | 8.2307e-19 pc |
| Inches to Angstroms | 254000000 Å |
| Inches to Planck Lengths | 1.5715e+33 ℓP |
| Inches to Rods | 0.0050505 rd |