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 670 knots into miles per hour we have to multiply 670 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

670 kt → V_(mph)

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

V_(mph) = 670 kt × 1.1507794480225 mph

V_(mph) = 771.02223017511 mph

The final result is:

670 kt → 771.02223017511 mph

We conclude that 670 knots is equivalent to 771.02223017511 miles per hour:

670 knots = 771.02223017511 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 0.0012969794655245 × 670 knots.

Another way is saying that 670 knots is equal to 1 ÷ 0.0012969794655245 miles per hour.

Approximate result

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

670 kt ≅ 771.022 mph

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