This calculator allows you to convert from Foot/second to Velocity of sound in sea water (20°C, 10 meter deep) and in a reverse direction. To convert from Foot/second to Velocity of sound in sea water (20°C, 10 meter deep), enter the amount of Foot/second into the first input and to convert from Velocity of sound in sea water (20°C, 10 meter deep) to Foot/second, enter the amount of Velocity of sound in sea water (20°C, 10 meter deep) into the second input.