An acre is equal to 43,560 square feet, so 100 acres equals 4,356,000 square feet. An acre is 1/640 of a square mile, so 100 acres also equals about 0.16 square miles. Because 1 acre equals about 4046.86 square meters, 100 acres equals 404686 square meters in the metric system.
Acre has been a unit of measurement for area since the Middle Ages. Then, an acre was defined as one day's plowing for an oxen team, which could vary greatly based on terrain and other factors. The measurement was later standardized, but for a while there were many variations on the size of an acre in different regions.
Learn MoreAcres are measured in square feet, and there are 43,560 square feet in 1 acre. If the acre of land is perfectly square, each side will be just under 209 feet long.
Full Answer >One acre is 43,560 square feet and has various dimensions. According to Wikipedia, well-known dimensions of an acre are 66 feet x 660 feet or 208.71 feet × 208.71 feet. Common dimensions for U.S. residents are 88 yards by 55 yards, slightly more than 75% of an American football field.
Full Answer >An acre is equal to 43,560 square feet. An acre is a measurement of the area of a piece of land. The acre originated as a British unit of measure. It was originally measured as the amount of land a team of oxen could plow in one day.
Full Answer >Five kilometers is equal to three miles and 188.07 yards. In road races, five kilometers is usually just referred to 3.1 miles. One kilometer equals 0.6214 miles and one mile equals 1.6093 kilometers.
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