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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 12.9 knots into miles per hour we have to multiply 12.9 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

12.9 kt → V(mph)

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

V(mph) = 12.9 kt × 1.1507794480225 mph

V(mph) = 14.845054879491 mph

The final result is:

12.9 kt → 14.845054879491 mph

We conclude that 12.9 knots is equivalent to 14.845054879491 miles per hour:

12.9 knots = 14.845054879491 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 0.067362499372201 × 12.9 knots.

Another way is saying that 12.9 knots is equal to 1 ÷ 0.067362499372201 miles per hour.

Approximate result

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

12.9 kt ≅ 14.845 mph

An alternative is also that one mile per hour is approximately zero point zero six seven times twelve 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)
13.9 knots 15.996 miles per hour
14.9 knots 17.147 miles per hour
15.9 knots 18.297 miles per hour
16.9 knots 19.448 miles per hour
17.9 knots 20.599 miles per hour
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