Speed Converter
Convert speed between kilometers per hour, miles per hour, and knots for driving, aviation, maritime, and fitness purposes.
Units:
Value:
Decimal Places:
Conversion Table
| Kilometers per Hour | Miles per Hour |
|---|---|
| 1 | 0.62137 |
| 10 | 6.21371 |
| 25 | 15.53428 |
| 50 | 31.06856 |
| 75 | 46.60284 |
| 100 | 62.13712 |
| 150 | 93.20568 |
| 200 | 124.27424 |
Understanding Speed 🚗✈️
Speed measures how fast an object moves over a distance. Accurate conversion between units is essential for driving, running, sailing, and flying.
This converter lets you switch between metric, imperial, and nautical units quickly and accurately.
Key Facts
- 1 MPH ≈ 1.609 KM/H - useful for mental conversions on the go.
- 1 Knot ≈ 1.852 KM/H - standard in maritime and aviation.
- Kilometers per hour (KM/H) are used worldwide for road speeds, cycling, and running.
- Miles per hour (MPH) are used mainly in the US and UK.
- Knots are used for nautical miles and aviation speed.
Formulas
KM/H = MPH × 1.609- Convert miles per hour to kilometers per hour.MPH = KM/H ÷ 1.609- Convert kilometers per hour to miles per hour.KM/H = Knots × 1.852- Convert knots to kilometers per hour.Knots = KM/H ÷ 1.852- Convert kilometers per hour to knots.
Speed Conversion Examples
- Car: 60 MPH ≈ 96.6 KM/H
- Running: 10 KM/H ≈ 6.2 MPH
- Boat: 20 Knots ≈ 37 KM/H
- Plane: 500 KM/H ≈ 310.7 MPH
FAQs
Why convert between these units?
Different regions and activities use different units. Conversion ensures accurate speed readings for travel, sports, and navigation.
How do I quickly estimate MPH from KM/H?
Divide KM/H by 1.609 for a rough approximation.
When should I use knots?
Use knots in maritime and aviation contexts where nautical miles per hour are standard.