## 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 122.1 knots into miles per hour we have to multiply 122.1 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

122.1 kt → V(mph)

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

V(mph) = 122.1 kt × 1.1507794480225 mph

V(mph) = 140.51017060355 mph

The final result is:

122.1 kt → 140.51017060355 mph

We conclude that 122.1 knots is equivalent to 140.51017060355 miles per hour:

122.1 knots = 140.51017060355 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 0.007116922538095 × 122.1 knots.

Another way is saying that 122.1 knots is equal to 1 ÷ 0.007116922538095 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 twenty-two point one knots is approximately one hundred forty point five one miles per hour:

122.1 kt ≅ 140.51 mph

An alternative is also that one mile per hour is approximately zero point zero zero seven times one hundred twenty-two point one 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)
123.1 knots 141.661 miles per hour
124.1 knots 142.812 miles per hour
125.1 knots 143.963 miles per hour
126.1 knots 145.113 miles per hour
127.1 knots 146.264 miles per hour
128.1 knots 147.415 miles per hour
129.1 knots 148.566 miles per hour
130.1 knots 149.716 miles per hour
131.1 knots 150.867 miles per hour
132.1 knots 152.018 miles per hour