# 428 knots in feet per second

## Conversion

428 knots is equivalent to 722.382618839312 feet per second.^{[1]}

## Conversion in the opposite direction

The inverse of the conversion factor is that **1 foot per second is equal to 0.00138430794695303 times 428 knots**.

It can also be expressed as: 428 knots is equal to $\frac{1}{\mathrm{0.00138430794695303}}$ feet per second.

## Approximation

An approximate numerical result would be: **four hundred and twenty-eight knots is about seven hundred and twenty-two point three seven feet per second**, or alternatively, *a foot per second is about zero times four hundred and twenty-eight knots*.

## Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.