Inches to Meters Converter
1 inch = 0.0254 meters
1 inch equals 0.0254 meters
How to convert inches to meters
Feet, inches, yards and miles use the international foot (0.3048 m). Older US survey-foot records use a different definition; check the survey document before applying these factors.
m = in × 0.0254One inch is 0.0254 meters, so a single multiplication converts any value.
0.254 m = 10 × 0.0254Inches to meters conversion table
Common values in inches, converted to meters.
| Inches (in) | Meters (m) |
|---|---|
| 1 | 0.0254 |
| 2 | 0.0508 |
| 3 | 0.0762 |
| 4 | 0.1016 |
| 5 | 0.127 |
| 10 | 0.254 |
| 20 | 0.508 |
| 25 | 0.635 |
| 50 | 1.27 |
| 100 | 2.54 |
| 250 | 6.35 |
| 500 | 12.7 |
| 1,000 | 25.4 |
About these units
inchin
Exactly 2.54 centimetres since the 1959 international agreement.
Reference: International Yard and Pound Agreement (1959).
meterm
The SI base unit of length, defined by fixing the speed of light in vacuum at 299,792,458 m/s.
Reference: BIPM SI Brochure (9th ed.).
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.