## Conversion formula

The conversion factor from knots to miles per hour is 1.1507794480225, which means that 1 knot is equal to 1.1507794480225 miles per hour:

1 kt = 1.1507794480225 mph

To convert 9.9 knots into miles per hour we have to multiply 9.9 by the conversion factor in order to get the velocity amount from knots to miles per hour. We can also form a simple proportion to calculate the result:

1 kt → 1.1507794480225 mph

9.9 kt → V(mph)

Solve the above proportion to obtain the velocity V in miles per hour:

V(mph) = 9.9 kt × 1.1507794480225 mph

V(mph) = 11.392716535423 mph

The final result is:

9.9 kt → 11.392716535423 mph

We conclude that 9.9 knots is equivalent to 11.392716535423 miles per hour:

9.9 knots = 11.392716535423 miles per hour ## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile per hour is equal to 0.087775377969838 × 9.9 knots.

Another way is saying that 9.9 knots is equal to 1 ÷ 0.087775377969838 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that nine point nine knots is approximately eleven point three nine three miles per hour:

9.9 kt ≅ 11.393 mph

An alternative is also that one mile per hour is approximately zero point zero eight eight times nine point nine knots.

## Conversion table

### knots to miles per hour chart

For quick reference purposes, below is the conversion table you can use to convert from knots to miles per hour

knots (kt) miles per hour (mph)
10.9 knots 12.543 miles per hour
11.9 knots 13.694 miles per hour
12.9 knots 14.845 miles per hour
13.9 knots 15.996 miles per hour
14.9 knots 17.147 miles per hour
15.9 knots 18.297 miles per hour
16.9 knots 19.448 miles per hour
17.9 knots 20.599 miles per hour
18.9 knots 21.75 miles per hour
19.9 knots 22.901 miles per hour