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Nautical miles to Miles (nmi to mi)
Convert nautical miles to miles: 1 nmi = 1.15078 mi. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 nmi = 1.15078 mi
miles = nautical miles × 1.150779448 — reverse: nautical miles = miles × 0.8689762419
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 nmi = 5.7539 mi
- 12.5 nmi = 14.3847 mi
- 100 nmi = 115.078 mi
Nautical miles to miles conversion table
| Nautical miles (nmi) | Miles (mi) |
|---|---|
| 1 | 1.15078 |
| 2 | 2.30156 |
| 3 | 3.45234 |
| 4 | 4.60312 |
| 5 | 5.7539 |
| 6 | 6.90468 |
| 7 | 8.05546 |
| 8 | 9.20624 |
| 9 | 10.357 |
| 10 | 11.5078 |
| 15 | 17.2617 |
| 20 | 23.0156 |
| 25 | 28.7695 |
| 30 | 34.5234 |
| 40 | 46.0312 |
| 50 | 57.539 |
| 75 | 86.3085 |
| 100 | 115.078 |
| 200 | 230.156 |
| 250 | 287.695 |
| 500 | 575.39 |
| 1000 | 1150.78 |
FAQ
How many miles are in one nautical mile?
1 nmi = 1.15078 mi. 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 nautical miles to miles?
Multiply the value in nautical miles by 1.150779448: miles = nautical miles × 1.150779448. For example, 5 nmi = 5.7539 mi.
How do I convert miles back to nautical miles?
Multiply by the inverse factor 0.8689762419 (nautical miles = miles × 0.8689762419), or use the miles-to-nautical miles page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=nmi&to_unit=mi - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"nmi","to_unit":"mi"} - Markdown: https://tttkmbb.com/conversion/nautical-miles-to-miles.md · JSON: https://tttkmbb.com/conversion/nautical-miles-to-miles.json (add
?value=for a result) · Units: /api/v1/units?quantity=length - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.