Miles per Hour to Kilometers per Hour Converter (mph to km/h)
Convert miles per hour to kilometers per hour (mph to km/h). See results in km/h, m/s, ft/s, and knots. Includes US speed limits and sports speeds.
SPEED IN KM/H
96.56 km/h
26.82 m/s
88.00 ft/s
52.14 kn
60ร1.609
MPH to KM/H โ Quick Reference
| mph | km/h | m/s | Context |
|---|---|---|---|
| 5 mph | 8.0 km/h | 2.2 m/s | Parking lot |
| 15 mph | 24.1 km/h | 6.7 m/s | School zone |
| 25 mph | 40.2 km/h | 11.2 m/s | Residential street |
| 30 mph | 48.3 km/h | 13.4 m/s | City street |
| 35 mph | 56.3 km/h | 15.6 m/s | Urban road |
| 45 mph | 72.4 km/h | 20.1 m/s | Suburban road |
| 55 mph | 88.5 km/h | 24.6 m/s | Rural highway |
| 60 mph | 96.6 km/h | 26.8 m/s | US highway |
| 65 mph | 104.6 km/h | 29.1 m/s | Interstate (common) |
| 70 mph | 112.7 km/h | 31.3 m/s | Interstate (standard) |
| 75 mph | 120.7 km/h | 33.5 m/s | Interstate (Texas/West) |
| 100 mph | 160.9 km/h | 44.7 m/s | NASCAR straightaway |
How to Convert MPH to KM/H
Multiply by 1.60934 (since 1 mile = 1.60934 kilometers):
Example: 60 mph (US highway)
= 60 ร 1.60934 = 96.56 km/h
Example: 70 mph (interstate)
= 70 ร 1.60934 = 112.65 km/h
Example: 100 mph (NASCAR)
= 100 ร 1.60934 = 160.93 km/h
Quick estimate: Multiply by 1.6 for a fast approximation. 60 mph ร 1.6 = 96 km/h (actual: 96.56).
US Speed Limits โ MPH to KM/H
| Zone | mph | km/h | Where |
|---|---|---|---|
| Parking lot | 5 mph | 8 km/h | Malls, garages |
| School zone | 15โ20 mph | 24โ32 km/h | Near schools (during hours) |
| Residential | 25 mph | 40 km/h | Neighborhoods |
| City street | 30โ35 mph | 48โ56 km/h | Urban areas |
| Suburban road | 40โ45 mph | 64โ72 km/h | Arterial roads |
| Rural highway | 55 mph | 89 km/h | Two-lane roads |
| US highway | 55โ60 mph | 89โ97 km/h | Non-interstate highways |
| Interstate (urban) | 55โ65 mph | 89โ105 km/h | Cities like NYC, LA |
| Interstate (standard) | 65โ70 mph | 105โ113 km/h | Most states |
| Interstate (rural) | 70โ75 mph | 113โ121 km/h | Western states |
| Texas toll roads | 80โ85 mph | 129โ137 km/h | Highest US speed limit |
US Sports Speeds
| Sport | mph | km/h | Context |
|---|---|---|---|
| NFL โ running back | ~22 mph | ~35 km/h | Top sprint speed |
| MLB โ fastball | ~100 mph | ~161 km/h | Elite pitcher speed |
| NBA โ fast break | ~18 mph | ~29 km/h | Player sprint |
| NHL โ slap shot | ~100 mph | ~161 km/h | Puck speed |
| NASCAR โ race speed | ~200 mph | ~322 km/h | Superspeedway |
| F1 โ top speed | ~230 mph | ~370 km/h | Grand Prix straight |
| PGA โ golf drive | ~185 mph | ~298 km/h | Ball speed off tee |
| Usain Bolt | 27.8 mph | 44.7 km/h | Fastest human ever |
Speed Unit Comparison
| Unit | = 1 mph | Used By |
|---|---|---|
| Miles per hour (mph) | 1.000 | USA, UK (roads), Liberia, Myanmar |
| Kilometers per hour (km/h) | 1.60934 | Rest of the world |
| Meters per second (m/s) | 0.44704 | Science, physics |
| Feet per second (ft/s) | 1.46667 | US engineering, ballistics |
| Knots (kn) | 0.86898 | Aviation, maritime (worldwide) |
What Is Miles per Hour?
Miles per hour (mph) is a speed unit used primarily in the United States and the United Kingdom (for road signs). 1 mph = 1.60934 km/h. All US speed limit signs, speedometers, and weather reports use mph.
What Is Kilometers per Hour?
Kilometers per hour (km/h) is the standard speed unit used by most countries worldwide. It's based on the metric system: 1 km/h = traveling 1 kilometer in 1 hour. Americans encounter km/h when renting cars abroad, watching international sports, or reading metric speedometers.