Unit Converter
Conversion formula
The conversion factor from miles per hour to knots is 0.8689762419014, which means that 1 mile per hour is equal to 0.8689762419014 knots:
1 mph = 0.8689762419014 kt
To convert 688 miles per hour into knots we have to multiply 688 by the conversion factor in order to get the velocity amount from miles per hour to knots. We can also form a simple proportion to calculate the result:
1 mph → 0.8689762419014 kt
688 mph → V(kt)
Solve the above proportion to obtain the velocity V in knots:
V(kt) = 688 mph × 0.8689762419014 kt
V(kt) = 597.85565442816 kt
The final result is:
688 mph → 597.85565442816 kt
We conclude that 688 miles per hour is equivalent to 597.85565442816 knots:
688 miles per hour = 597.85565442816 knots
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0016726445465444 × 688 miles per hour.
Another way is saying that 688 miles per hour is equal to 1 ÷ 0.0016726445465444 knots.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred eighty-eight miles per hour is approximately five hundred ninety-seven point eight five six knots:
688 mph ≅ 597.856 kt
An alternative is also that one knot is approximately zero point zero zero two times six hundred eighty-eight miles per hour.
Conversion table
miles per hour to knots chart
For quick reference purposes, below is the conversion table you can use to convert from miles per hour to knots
miles per hour (mph) | knots (kt) |
---|---|
689 miles per hour | 598.725 knots |
690 miles per hour | 599.594 knots |
691 miles per hour | 600.463 knots |
692 miles per hour | 601.332 knots |
693 miles per hour | 602.201 knots |
694 miles per hour | 603.07 knots |
695 miles per hour | 603.938 knots |
696 miles per hour | 604.807 knots |
697 miles per hour | 605.676 knots |
698 miles per hour | 606.545 knots |