Conversion formula

The conversion factor from miles per hour to knots is 0.8689762419014, which means that 1 mile per hour is equal to 0.8689762419014 knots:

1 mph = 0.8689762419014 kt

To convert 197 miles per hour into knots we have to multiply 197 by the conversion factor in order to get the velocity amount from miles per hour to knots. We can also form a simple proportion to calculate the result:

1 mph → 0.8689762419014 kt

197 mph → V_(kt)

Solve the above proportion to obtain the velocity V in knots:

V_(kt) = 197 mph × 0.8689762419014 kt

V_(kt) = 171.18831965458 kt

The final result is:

197 mph → 171.18831965458 kt

We conclude that 197 miles per hour is equivalent to 171.18831965458 knots:

197 miles per hour = 171.18831965458 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0058415200407236 × 197 miles per hour.

Another way is saying that 197 miles per hour is equal to 1 ÷ 0.0058415200407236 knots.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred ninety-seven miles per hour is approximately one hundred seventy-one point one eight eight knots:

197 mph ≅ 171.188 kt

An alternative is also that one knot is approximately zero point zero zero six times one hundred ninety-seven miles per hour.

Conversion table

miles per hour to knots chart

For quick reference purposes, below is the conversion table you can use to convert from miles per hour to knots