## 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 17.9 knots into miles per hour we have to multiply 17.9 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

17.9 kt → V(mph)

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

V(mph) = 17.9 kt × 1.1507794480225 mph

V(mph) = 20.598952119604 mph

The final result is:

17.9 kt → 20.598952119604 mph

We conclude that 17.9 knots is equivalent to 20.598952119604 miles per hour:

17.9 knots = 20.598952119604 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 0.048546158765441 × 17.9 knots.

Another way is saying that 17.9 knots is equal to 1 ÷ 0.048546158765441 miles per hour.

## Approximate result

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

17.9 kt ≅ 20.599 mph

An alternative is also that one mile per hour is approximately zero point zero four nine times seventeen 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)
18.9 knots 21.75 miles per hour
19.9 knots 22.901 miles per hour
20.9 knots 24.051 miles per hour
21.9 knots 25.202 miles per hour
22.9 knots 26.353 miles per hour
23.9 knots 27.504 miles per hour
24.9 knots 28.654 miles per hour
25.9 knots 29.805 miles per hour
26.9 knots 30.956 miles per hour
27.9 knots 32.107 miles per hour