Home › Unit Conversion › Miles per hour to Meters per second
Miles per hour to Meters per second (mph to m/s)
Convert miles per hour to meters per second: 1 mph = 0.44704 m/s. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 mph = 0.44704 m/s
meters per second = miles per hour × 0.44704 — reverse: miles per hour = meters per second × 2.236936292
The factor is derived from the SI definitions of both units (base unit: m/s) 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 mph = 2.2352 m/s
- 12.5 mph = 5.588 m/s
- 100 mph = 44.704 m/s
Miles per hour to meters per second conversion table
| Miles per hour (mph) | Meters per second (m/s) |
|---|---|
| 1 | 0.44704 |
| 2 | 0.89408 |
| 3 | 1.34112 |
| 4 | 1.78816 |
| 5 | 2.2352 |
| 6 | 2.68224 |
| 7 | 3.12928 |
| 8 | 3.57632 |
| 9 | 4.02336 |
| 10 | 4.4704 |
| 15 | 6.7056 |
| 20 | 8.9408 |
| 25 | 11.176 |
| 30 | 13.4112 |
| 40 | 17.8816 |
| 50 | 22.352 |
| 75 | 33.528 |
| 100 | 44.704 |
| 200 | 89.408 |
| 250 | 111.76 |
| 500 | 223.52 |
| 1000 | 447.04 |
FAQ
How many meters per second are in one mile per hour?
1 mph = 0.44704 m/s. 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 miles per hour to meters per second?
Multiply the value in miles per hour by 0.44704: meters per second = miles per hour × 0.44704. For example, 5 mph = 2.2352 m/s.
How do I convert meters per second back to miles per hour?
Multiply by the inverse factor 2.236936292 (miles per hour = meters per second × 2.236936292), or use the meters per second-to-miles per hour page.
Related conversions
- Meters per second to miles per hour (reverse)
- Speed Converter — all speed units in one tool
- Kilometers per hour to Miles per hour
- Miles per hour to Kilometers per hour
- Meters per second to Kilometers per hour
- Kilometers per hour to Meters per second
- Knots to Kilometers per hour
- Kilometers per hour to Knots
- Knots to Miles per hour
- Miles per hour to Knots
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=mph&to_unit=m%2Fs - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"mph","to_unit":"m/s"} - Markdown: https://tttkmbb.com/conversion/mph-to-meters-per-second.md · JSON: https://tttkmbb.com/conversion/mph-to-meters-per-second.json (add
?value=for a result) · Units: /api/v1/units?quantity=speed - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.