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 Metres per second?

Metres per second measures speed. This unit of speed measures how many Metres traveled in one second. Its is part of the SI units system. Commonly, express as m/min.

Metres per second can be calculated using following formula. Please note that $t$ is in seconds

$$m/min = \frac{x}{t}$$

$mh$ - Metres per second
$x$ - Number of metres
$s$ - Seconds
$t$ - Time in seconds

Wiki page for Metres Wiki page for Metres per second