Conversion formula

The conversion factor from kilometers per hour to miles per hour is 0.62137119223783, which means that 1 kilometer per hour is equal to 0.62137119223783 miles per hour:

1 km/h = 0.62137119223783 mph

To convert 425 kilometers per hour into miles per hour we have to multiply 425 by the conversion factor in order to get the velocity amount from kilometers per hour to miles per hour. We can also form a simple proportion to calculate the result:

1 km/h → 0.62137119223783 mph

425 km/h → V_(mph)

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

V_(mph) = 425 km/h × 0.62137119223783 mph

V_(mph) = 264.08275670108 mph

The final result is:

425 km/h → 264.08275670108 mph

We conclude that 425 kilometers per hour is equivalent to 264.08275670108 miles per hour:

425 kilometers per hour = 264.08275670108 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 0.0037866917647029 × 425 kilometers per hour.

Another way is saying that 425 kilometers per hour is equal to 1 ÷ 0.0037866917647029 miles per hour.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty-five kilometers per hour is approximately two hundred sixty-four point zero eight three miles per hour:

425 km/h ≅ 264.083 mph

An alternative is also that one mile per hour is approximately zero point zero zero four times four hundred twenty-five kilometers per hour.

Conversion table

kilometers per hour to miles per hour chart

For quick reference purposes, below is the conversion table you can use to convert from kilometers per hour to miles per hour