What is Knots?

Knot measures speed. This unit is used in meteorology, aviation and maritime. Its uses the symbol kt or kn and is equal to number of nautical mile per hour.

Knots can be calculated using following formula. Please note that $t$ is in hours

$$kn = \frac{x}{t}$$

or

$$1 kn = 1 \frac{nmi}{h} = 1.852 \frac{km}{h}$$

$kn$ - Knots $nmi$ - Nautical mile
$km$ - Kilometres
$x$ - Number of knots
$t$ - Time in hours

Wiki page for Knots Wiki page for Nautical Mile

What is Miles per hour?

Miles per hour measures speed. This unit of speed measures how many miles traveled in one hour. Its is part of the British imperial and US customary unit. Commonly, express as mph, MPH or mi/h.

Miles per hour can be calculated using following formula. Please note that $t$ is in hours

$$mph = \frac{x}{t}$$

$mph$ - Miles per hour
$x$ - Number of miles
$h$ - Hour
$t$ - Time in hours

Wiki page for Miles Wiki page for Miles per hour