How many ft/year in 1 speed of sound [water]? The answer is 155299960629.92. We assume you are converting between foot/Gregorian year and speed of sound [water]. You can view more details on each measurement unit: ft/year or speed of sound [water] The SI derived unit for speed is the meter/second. 1 meter/second is equal to 103533307.08661 ft/year, or 0.00066666666666667 speed of sound [water]. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between feet/year and speed of sound [water]. Type in your own numbers in the form to convert the units!
You can do the reverse unit conversion from speed of sound [water] to ft/year, or enter any two units below:
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