## 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 15.8 knots into miles per hour we have to multiply 15.8 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

15.8 kt → V(mph)

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

V(mph) = 15.8 kt × 1.1507794480225 mph

V(mph) = 18.182315278756 mph

The final result is:

15.8 kt → 18.182315278756 mph

We conclude that 15.8 knots is equivalent to 18.182315278756 miles per hour:

15.8 knots = 18.182315278756 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 0.054998496322873 × 15.8 knots.

Another way is saying that 15.8 knots is equal to 1 ÷ 0.054998496322873 miles per hour.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that fifteen point eight knots is approximately eighteen point one eight two miles per hour:

15.8 kt ≅ 18.182 mph

An alternative is also that one mile per hour is approximately zero point zero five five times fifteen point eight 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)
16.8 knots 19.333 miles per hour
17.8 knots 20.484 miles per hour
18.8 knots 21.635 miles per hour
19.8 knots 22.785 miles per hour
20.8 knots 23.936 miles per hour
21.8 knots 25.087 miles per hour
22.8 knots 26.238 miles per hour
23.8 knots 27.389 miles per hour
24.8 knots 28.539 miles per hour
25.8 knots 29.69 miles per hour