What is Inches per hour?

Inches per hour measures speed. This unit of speed measures how many Inches traveled in one hour. This is part of British imperial and American customary units system. Commonly, express as in/h.

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

$$\frac{in}{h} = \frac{x}{t}$$

$in$ - Inches
$x$ - Number of inches
$h$ - Hour
$t$ - Time in hours

Wiki page for Inches
Wiki page for Inches per second

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