Convert 680 Square Feet to Square Kilometers
How big is 680 square feet? What is 680 square feet in square kilometers? 680 sq ft to sq km conversion.
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680 Square Feet ≈
0.000063174067 Square Kilometers
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Result in Plain English
680 square feet is equal to about 63.2 millionths of a square kilometer.
In Scientific Notation
680 square feet
= 6.8 x 102 square feet
≈ 6.31741 x 10-5 square kilometers
Square Feet
A square foot is a unit of area. It is the size of a square that is one foot on a side. It is 144 square inches, 1/9th of a square yard, or approximately 0.093 square meters.
Common abbreviations: sq ft, sf, ft², ft^2
Square Kilometers
A square kilometer, or square kilometre, is a unit of area. It is the size of a square that is one kilometer on a side. It is 1 million square meters, 100 hectares, about 247 acres, or about 0.386 square miles.Common abbreviations: sq km, km², km^2