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Inches to Meters (in to m)
Convert inches to meters: 1 in = 0.0254 m. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 in = 0.0254 m
meters = inches × 0.0254 — reverse: inches = meters × 39.37007874
The factor is derived from the SI definitions of both units (base unit: m) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 in = 0.127 m
- 12.5 in = 0.3175 m
- 100 in = 2.54 m
Inches to meters conversion table
| Inches (in) | Meters (m) |
|---|---|
| 1 | 0.0254 |
| 2 | 0.0508 |
| 3 | 0.0762 |
| 4 | 0.1016 |
| 5 | 0.127 |
| 6 | 0.1524 |
| 7 | 0.1778 |
| 8 | 0.2032 |
| 9 | 0.2286 |
| 10 | 0.254 |
| 15 | 0.381 |
| 20 | 0.508 |
| 25 | 0.635 |
| 30 | 0.762 |
| 40 | 1.016 |
| 50 | 1.27 |
| 75 | 1.905 |
| 100 | 2.54 |
| 200 | 5.08 |
| 250 | 6.35 |
| 500 | 12.7 |
| 1000 | 25.4 |
FAQ
How many meters are in one inch?
1 in = 0.0254 m. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert inches to meters?
Multiply the value in inches by 0.0254: meters = inches × 0.0254. For example, 5 in = 0.127 m.
How do I convert meters back to inches?
Multiply by the inverse factor 39.37007874 (inches = meters × 39.37007874), or use the meters-to-inches page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=in&to_unit=m - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"in","to_unit":"m"} - Markdown: https://tttkmbb.com/conversion/inches-to-meters.md · JSON: https://tttkmbb.com/conversion/inches-to-meters.json (add
?value=for a result) · Units: /api/v1/units?quantity=length - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.