Unit Converter
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 40 knots into miles per hour we have to multiply 40 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
40 kt → V(mph)
Solve the above proportion to obtain the velocity V in miles per hour:
V(mph) = 40 kt × 1.1507794480225 mph
V(mph) = 46.031177920902 mph
The final result is:
40 kt → 46.031177920902 mph
We conclude that 40 knots is equivalent to 46.031177920902 miles per hour:
40 knots = 46.031177920902 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 0.021724406047535 × 40 knots.
Another way is saying that 40 knots is equal to 1 ÷ 0.021724406047535 miles per hour.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that forty knots is approximately forty-six point zero three one miles per hour:
40 kt ≅ 46.031 mph
An alternative is also that one mile per hour is approximately zero point zero two two times forty 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) |
---|---|
41 knots | 47.182 miles per hour |
42 knots | 48.333 miles per hour |
43 knots | 49.484 miles per hour |
44 knots | 50.634 miles per hour |
45 knots | 51.785 miles per hour |
46 knots | 52.936 miles per hour |
47 knots | 54.087 miles per hour |
48 knots | 55.237 miles per hour |
49 knots | 56.388 miles per hour |
50 knots | 57.539 miles per hour |