How do I convert inches to meters?
Type a value in either box, and the answer shows it in the other unit as you type.
- Meters (m)
- 0.0254
1 in = 0.0254 m.
Meters (m): 0.0254. 1 in = 0.0254 m.
Meters (m) by inches (in)
How to calculate
Converts inches (in) to meters (m) and back, with the exact unit definitions.
Example with the default inputs (Inches (in) 1): 1 in = 0.0254 m.
Formula: m = in × 0.0254
- 1 inch = 0.0254 meters, from the exact definitions in NIST SP 811.
- Exact on the typed decimals: at most 6 decimal places (6 significant digits below 0.0001), rounded half up; an answer of 1 billion or more shows at most 15 significant digits.
Worked examples
Each example is checked against the calculator on every build.
- Inches (in) 1 gives Meters (m) 0.0254.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
- Inches (in) 12 gives Meters (m) 0.3048.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
- Meters (m) 0.3048 gives Inches (in) 12.Source: Exact unit definitions in NIST SP 811 (2008), Appendix B.8
Other questions people ask
How many meters are in an inch?
1 inch is 0.0254 meters, from the exact unit definitions (NIST SP 811).
How do I convert inches to meters?
Multiply by 0.0254: m = in × 0.0254. For example, 1 in × 0.0254 = 0.0254 m.
How do I convert meters back to inches?
Multiply by 39.370079, or type the meters into the second box and the converter works it out. 1 meter is 39.370079 inches.
What is 12 inches in meters?
0.3048 m, which is 1 foot: 12 × 0.0254.
What is 100 inches in meters?
2.54 m: 100 × 0.0254.