How many knots are in 1 mile per hour?

1 mph equals 0.8689762419 kn. This is an exact conversion factor defined by NIST.

How do I convert miles per hour to knots?

Multiply the value in mph by the conversion factor. For example, 10 mph = 8.689762419 kn. Use our calculator above for instant results.

Is the miles per hour to knots conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

Can I convert miles per hour to knots offline?

Yes! Metric Converter runs entirely in your browser — no internet connection needed after the page loads. Your data never leaves your device, ensuring complete privacy.

What is the difference between miles per hour and knots?

Miles per Hour (mph) and Knots (kn) are both units of speed but belong to different measurement systems. 1 mph = 0.8689762419 kn. Use the converter above to switch between them instantly.

Miles per Hour to Knots (mph → kn) — Free Online Converter

Формула преобразования Мили в час в Узлы

Чтобы преобразовать Мили в час в Узлы, вы можете использовать следующую формулу:

Узлы = Мили в час × 1.150779448

Это означает, что вам нужно умножить значение Мили в час на 1.150779448, чтобы получить эквивалентное значение в Узлы.

mph → kn Справочная таблица

mph	kn
0.01 mph	0.008689762419 kn
0.1 mph	0.08689762419 kn
0.5 mph	0.434488121 kn
1 mph	0.8689762419 kn
5 mph	4.34488121 kn
10 mph	8.689762419 kn
50 mph	43.4488121 kn
100 mph	86.89762419 kn
500 mph	434.488121 kn
1000 mph	868.9762419 kn

Значения основаны на коэффициентах конвертации NIST SP 811

Why Convert Miles per Hour to Knots?

Converting between miles per hour (mph) and knots (kn) is one of the most common speed conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert mph to kn saves time and prevents errors.

Speed conversions from mph to kn are critical for navigation, aviation, and sports analytics. Pilots and sailors must constantly convert between knots, km/h, and mph to ensure safe travel and comply with international air and maritime regulations. For motorists driving across borders, understanding local speed limits in a different unit is vital to avoid fines and accidents. In sports, analyzing the performance of sprinters, cyclists, or racing cars often involves comparing speeds recorded in different measurement systems. Accurate speed conversion ensures safety, legal compliance, and fair competitive analysis.

How to Convert Miles per Hour to Knots

To convert miles per hour to knots, use the following formula:

kn = mph × 0.8689762419

Example: 1 mph = 0.8689762419 kn

For example, 5 mph = 4.34488121 kn, 10 mph = 8.689762419 kn, and 100 mph = 86.89762419 kn. For larger values, 1000 mph = 868.9762419 kn. Conversely, 1 kn = 1.150779448 mph. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Mistakes to Avoid

Knots vs MPH: a Knot is faster than a Mile per Hour (1 Knot = 1.15 mph).
Mach numbers: speed of sound varies with temperature/altitude.
Pace confusion: mixing up speed (distance/time) with pace (time/distance).

Pro Tips

Highway math: 60 mph = 1 mile per minute. Easy for ETA calculation.
KPH to MPH: Multiply km/h by 0.6 to get mph (approx).
Light speed: Nothing travels faster than light (approx 300,000 km/s).

What is a Mile per Hour?

Miles per hour (mph) is a unit of speed in the Imperial and US customary systems, expressing miles traveled in one hour.

Mph is the standard unit for speed limits and vehicle speeds in the United States and the United Kingdom.

What is a Knot?

A unit of speed equal to one nautical mile per hour.

Exclusively used in maritime and aviation navigation.

Мили в час → Узлы