Keep reading if you want to know how many mph is a knot or how fast it is. Also, you'll find an informative wind speed chart and all the formulas behind the wind speed units conversions. Nautical miles and knots are the units used in meteorology, aviation, and nautical navigation. What's the difference between them? A nautical mile measures the distance and a knot measures the speed. That's the average value, as the Earth is not a perfect sphere but a geoid.
To convert between speed units, you can use our knots to mph converter or perform the conversion manually using the formulas:. If you need conversion between other units as there are 20 permutations and we present only 8 of them , take the coefficients from this table:. With this wind speed chart, you can assess the prevailing conditions and even estimate them in Beaufort scale:.
If you are wondering how fast is a knot - or for example 40 knots - have a look at this short step-by-step example:. Think about the unit you want to convert.
Let's assume we want to change 40 knots into miles per hour. Type the value into proper box. In our case, we need to enter 40 into the first part of the tool. That's it! Our knots to mph converter did the job! Now we know that 40 knots are equal to That's quite a lot! Embed Share via. Table of contents: How many mph is a knot and how fast is it? Knots are a speed measurement that is nautical miles per hour. This unit is typically used in maritime and aviation.
There have historically been different nautical miles used and, thus, different variations of knots. However, we have based our knots calculator on the international nautical mile which is commonly used thoughout the world today. This is a measurement of speed typically used in non-metric countries for transport such as the USA.
The United Kingdom also uses this on the roads although officially the metric system has been adopted. Knots to Miles per hour.
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