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 343 knots into miles per hour we have to multiply 343 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

343 kt → V_(mph)

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

V_(mph) = 343 kt × 1.1507794480225 mph

V_(mph) = 394.71735067173 mph

The final result is:

343 kt → 394.71735067173 mph

We conclude that 343 knots is equivalent to 394.71735067173 miles per hour:

343 knots = 394.71735067173 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 0.0025334584311994 × 343 knots.

Another way is saying that 343 knots is equal to 1 ÷ 0.0025334584311994 miles per hour.

Approximate result

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

343 kt ≅ 394.717 mph

An alternative is also that one mile per hour is approximately zero point zero zero three times three hundred forty-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