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Foot and Square Foot – A Short Note
A foot is a unit of length in the imperial and U.S. customary systems. One foot is equal to 12 inches or approximately 30.48 centimeters. It is commonly used to measure height, length, or distance—such as a person's height, the length of a room, or the size of an object.
A square foot (written as ft²) is a unit of area. It represents a square that is one foot long and one foot wide. One square foot is equal to 144 square inches or approximately 0.093 square meters. It is widely used in real estate, architecture, and construction to measure floor space, land area, or surface coverage.
In simple terms, a foot measures how long something is, while a square foot measures how much space it covers. Knowing the difference is essential when dealing with both length and area in everyday tasks or professional work.
Hectometer and Square Hectometer – A Short Note
A hectometer (symbol: hm) is a unit of length in the metric system, equal to:
1 hectometer = 100 meters
Hectometers are not as commonly used in everyday measurements but can be useful for measuring medium-large distances, like the length of sports fields or large plots of land.
A square hectometer (symbol: hm²) is a unit of area representing a square with sides one hectometer long:
1 hm² = (100 m) × (100 m) = 10,000 m²
Square hectometers are used to measure fairly large areas, such as farms, parks, or large property plots.
In summary:
Hectometer (hm) measures moderate lengths (hundreds of meters)
Square hectometer (hm²) measures substantial areas (thousands of square meters)
Used in land measurement and agriculture contexts