## 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 140 knots into miles per hour we have to multiply 140 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

140 kt → V(mph)

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

V(mph) = 140 kt × 1.1507794480225 mph

V(mph) = 161.10912272316 mph

The final result is:

140 kt → 161.10912272316 mph

We conclude that 140 knots is equivalent to 161.10912272316 miles per hour:

140 knots = 161.10912272316 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 0.0062069731564386 × 140 knots.

Another way is saying that 140 knots is equal to 1 ÷ 0.0062069731564386 miles per hour.

## Approximate result

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

140 kt ≅ 161.109 mph

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

knots (kt) miles per hour (mph)
141 knots 162.26 miles per hour
142 knots 163.411 miles per hour
143 knots 164.561 miles per hour
144 knots 165.712 miles per hour
145 knots 166.863 miles per hour
146 knots 168.014 miles per hour
147 knots 169.165 miles per hour
148 knots 170.315 miles per hour
149 knots 171.466 miles per hour
150 knots 172.617 miles per hour