Convert 680 Square Meters to Square Kilometers
How big is 680 square meters? What is 680 square meters in square kilometers? 680 sq m to sq km conversion.
From
To
swap units ↺
680 Square Meters =
0.00068 Square Kilometers
exact result
Decimal places
Result in Plain English
680 square meters is equal to exactly 680 millionths of a square kilometer.
In Scientific Notation
680 square meters
= 6.8 x 102 square meters
= 6.8 x 10-4 square kilometers
Square Meters
A square meter, or square metre, is a unit of area. It is the size of a square that is one meter on a side. It is approximately 10.76 square feet.Common abbreviations: sq m, m², m^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