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 42.3 knots into miles per hour we have to multiply 42.3 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

42.3 kt → V(mph)

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

V(mph) = 42.3 kt × 1.1507794480225 mph

V(mph) = 48.677970651354 mph

The final result is:

42.3 kt → 48.677970651354 mph

We conclude that 42.3 knots is equivalent to 48.677970651354 miles per hour:

42.3 knots = 48.677970651354 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 0.020543173567409 × 42.3 knots.

Another way is saying that 42.3 knots is equal to 1 ÷ 0.020543173567409 miles per hour.

Approximate result

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

42.3 kt ≅ 48.678 mph

An alternative is also that one mile per hour is approximately zero point zero two one times forty-two point three 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)
43.3 knots 49.829 miles per hour
44.3 knots 50.98 miles per hour
45.3 knots 52.13 miles per hour
46.3 knots 53.281 miles per hour
47.3 knots 54.432 miles per hour
48.3 knots 55.583 miles per hour
49.3 knots 56.733 miles per hour
50.3 knots 57.884 miles per hour
51.3 knots 59.035 miles per hour
52.3 knots 60.186 miles per hour