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 840 knots into miles per hour we have to multiply 840 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

840 kt → V_(mph)

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

V_(mph) = 840 kt × 1.1507794480225 mph

V_(mph) = 966.65473633894 mph

The final result is:

840 kt → 966.65473633894 mph

We conclude that 840 knots is equivalent to 966.65473633894 miles per hour:

840 knots = 966.65473633894 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 0.0010344955260731 × 840 knots.

Another way is saying that 840 knots is equal to 1 ÷ 0.0010344955260731 miles per hour.

Approximate result

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

840 kt ≅ 966.655 mph

An alternative is also that one mile per hour is approximately zero point zero zero one times eight hundred 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