30 MPH to KMH Converter
Convert between miles per hour (mph) and kilometers per hour (kmh) with this interactive tool
mph
kmh
48 kmh
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Conversion Result
30 mph = 48.28 kmh
Formula: kmh = mph × 1.6093
Compare 30 mph with common speed references:
| Speed Reference | MPH | KMH | Comparison to 30 MPH |
|---|---|---|---|
| Average walking speed | 3.1 | 5 | Much slower |
| Typical city speed limit | 31.1 | 50 | Slightly faster |
| Highway speed limit (US) | 74.6 | 120 | Much faster |
| 30 MPH | 30 | 48.3 | – |
| Commercial airplane cruising | 559.2 | 900 | Much faster |
Visual representation of 30 mph compared to other speeds:
Speed is the rate at which an object moves in a specific direction. The two most common units for measuring speed are:
- Miles per hour (mph): Primarily used in the United States and the United Kingdom.
- Kilometers per hour (kmh): Used in most countries worldwide that follow the metric system.
The conversion between these units is based on the relationship between miles and kilometers:
1 mile = 1.60934 kilometers
Therefore:
- To convert mph to kmh: kmh = mph × 1.6093
- To convert kmh to mph: mph = kmh × 0.6214
30 mph is a typical speed for:
- Residential speed limits in many countries
- Urban leisurely bike rides
- Golf carts on courses
Common speed conversions around 30 mph:
| MPH | KMH | Context |
|---|---|---|
| 20 | 32.2 | Residential area |
| 25 | 40.2 | Urban street limit |
| 30 | 48.3 | Neighborhood speed limit |
| 35 | 56.3 | Rural roads |
| 40 | 64.4 | Open road |
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