Mach to Kilometers per Hour Converter
Convert Mach to Kilometers per Hour
Quick Conversions
How to Convert Mach to Kilometers per Hour
Converting Mach (mach) to kilometers per hour (km/h) involves using the speed of sound. Mach 1 is defined as the speed of sound, which is approximately 1234.8 kilometers per hour at sea level and 20°C.
Formula
Kilometers per Hour = Mach × 1234.8
or
km/h = mach × 1234.8
Step-by-step process
- Take the measurement in Mach
- Multiply that number by 1234.8
- The result is the equivalent amount in kilometers per hour
Examples
- 1 mach = 1234.8 km/h
- 10 mach = 12348 km/h
- 0.5 mach = 617.4 km/h
When to Convert Mach to Kilometers per Hour
This conversion is useful in fields such as aviation, aerospace engineering, and fluid dynamics, where Mach number is a critical parameter.
Common Mach to Kilometers per Hour Conversions
Here is a table of common Mach to kilometers per hour conversions for quick reference:
| Mach (mach) | Kilometers per Hour (km/h) | Mach (mach) | Kilometers per Hour (km/h) |
|---|---|---|---|
| 1 | 1234.8 | 100 | 123480 |
| 2 | 2469.6 | 200 | 246960 |
| 5 | 6174 | 500 | 617400 |
| 10 | 12348 | 1,000 | 1234800 |
Frequently Asked Questions
How many kilometers per hour are in one Mach?
One Mach is approximately 1234.8 kilometers per hour (at sea level, 20°C).
Why is the conversion factor 1234.8?
The speed of sound varies with temperature and medium. At sea level and 20°C, the speed of sound in dry air is approximately 343 meters per second. Since 1 km/h = 1000/3600 m/s, then 343 m/s * 3.6 = 1234.8 km/h.