CONVERSION FACTORS

Multiple inch-pound unit By
To obtain SI unit

inch 25.4
millimeter

inch per hour
25.4
millimeter per hour

foot (ft) 0.3048
meter

foot per hour (ft/hr) 0.3048
meter per hour

acre 0.4047
hectare


square mile 2.590
square kilometer

acre-foot (acre-ft) 0.001233
cubic hectometer

cubic foot per second (, or cfs) 0.02832
cubic meter per second

x
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