1 c (speed of light) is equal to 29,979,245,800.000183 cm/s (centimetre per second). To convert from speed of light to centimetre per second, multiply by 29,979,245,800.000183 or divide by 0.000000000033356409519815.
Twenty-Nine Billion Nine Hundred Seventy-Nine Million Two Hundred Forty-Five Thousand Eight Hundred Point Zero Zero Zero One Eight Three Centimetre Per Second