421 miles per hour in meters per second
Result
The conversion result is: 421 miles per hour is equivalent to 188.20384 meters per second.[1]
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Conversion in the opposite direction
The inverse of the conversion factor is that 1 meter per second is equal to 0.00531338786711259 times 421 miles per hour.
It can also be expressed as: 421 miles per hour is equal to 1 / 0.00531338786711259 meters per second.
Approximation
An approximate numerical result would be: four hundred and twenty-one miles per hour is about one hundred and eighty-eight point one nine meters per second, or alternatively, a meter per second is about zero point zero one times four hundred and twenty-one miles per hour.
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.