Width . . . feet
Depth . . . feet
Length . . . miles
Flow rate . . . (gallons per second) or (feet per second)
Gradient . . . . feet per mile
Inches and feet.
A foot.
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The width of a river will generally be measured in feet or meters, depending on if you use Imperial or Metric.
A unit of volume in the U.S. Customary System, used in liquid measure, equal to 4 quarts (3.785 liters). A unit of volume in the British Imperial System, used in liquid and dry measure, equal to 4 quarts (4.546 liters).
In SI, the unit is the joule. In cgsA units, it's the calorie. In Imperial System its a British Thermal Unit.
It's the abbreviation of feet or foot used as a unit of measure.
The basic metric unit for length is the metre. Rivers would be measure in kilometres (1,000s of metres)
A firkin is an imperial unit of volume or capacity used to measure liquid, containing various quantities depending on the type of commodity
In the metric system kilometres would be used. In the Imperial system miles would be used.
No, feet is not a metric unit. It is a unit of length commonly used in the imperial system of measurement. In the metric system, the equivalent unit of length is the meter.
No, ounces are not used in the metric system. The metric system uses units such as grams and kilograms for measuring weight. Ounces are a unit of measure commonly used in the Imperial system.