## 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 4 knots into miles per hour we have to multiply 4 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

4 kt → V(mph)

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

V(mph) = 4 kt × 1.1507794480225 mph

V(mph) = 4.6031177920902 mph

The final result is:

4 kt → 4.6031177920902 mph

We conclude that 4 knots is equivalent to 4.6031177920902 miles per hour:

4 knots = 4.6031177920902 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 0.21724406047535 × 4 knots.

Another way is saying that 4 knots is equal to 1 ÷ 0.21724406047535 miles per hour.

## Approximate result

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

4 kt ≅ 4.603 mph

An alternative is also that one mile per hour is approximately zero point two one seven times four 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)
5 knots 5.754 miles per hour
6 knots 6.905 miles per hour
7 knots 8.055 miles per hour
8 knots 9.206 miles per hour
9 knots 10.357 miles per hour
10 knots 11.508 miles per hour
11 knots 12.659 miles per hour
12 knots 13.809 miles per hour
13 knots 14.96 miles per hour
14 knots 16.111 miles per hour