Square kilometres (sq km) is a measure of area not of length. So length cannot be measured in sq km.
It stands for square kilometre which is a unit if measure of area. 1 sq km = 1 million square metres.
Tennessee is 42,180 sq miles (109,247 km²).
an acre is a measure of area whereas a kilometer is a measure of length, but a square kilometer is a measure of area, so I'll presume you meant square kilometers. 1 acre is approx 1/250 sq km = 0.004 sq km. 1 acre = 1/640 sq mile 1 mile ≈ 8/5 km 1 sq mi = 1 mi x 1 mi ≈ 8/5 km x 8/5 km = 64/25 sq km →1 acre = 1/640 sq mi ≈ 1/640 x 64/25 sq km = 1/250 sq km = 0.004 sq km
# Russia - 17,078,000 sq km # Canada - 9,970,610 sq km # China - 9,579,000 sq km # USA - 9,363,130 sq km # Brazil - 8,511,965 sq km # Australia - 7,682,300 sq km # India - 3,166,830 sq km # Argentina - 2,777,815 sq km # Kazakhstan - 2,717,300 sq km # Sudan - 2,505,813 sq km
# Russia - 17,078,000 sq km # Canada - 9,970,610 sq km # China - 9,579,000 sq km # USA - 9,363,130 sq km # Brazil - 8,511,965 sq km # Australia - 7,682,300 sq km # India - 3,166,830 sq km # Argentina - 2,777,815 sq km # Kazakhstan - 2,717,300 sq km # Sudan - 2,505,813 sq km
Russia - 17,078,000 sq km Canada - 9,970,610 sq km China - 9,579,000 sq km USA - 9,363,130 sq km Brazil - 8,511,965 sq km Australia - 7,682,300 sq km India - 3,166,830 sq km Argentina - 2,777,815 sq km Kazakhstan - 2,717,300 sq km Sudan - 2,505,813 sq km
Not valid to change area measure to length measure
# Russia - 17,078,000 sq km # Canada - 9,970,610 sq km # China - 9,579,000 sq km # USA - 9,363,130 sq km # Brazil - 8,511,965 sq km # Australia - 7,682,300 sq km # India - 3,166,830 sq km # Argentina - 2,777,815 sq km # Kazakhstan - 2,717,300 sq km # Sudan - 2,505,813 sq km
Chihuahua: 244,938 sq km / 94,571 sq miSonora: 182,052 sq km / 70,291 sq miCoahuila: 149,982 sq km / 57,908 sq miDurango: 123,181 sq km / 47,560 sq miOaxaca: 93,952 sq km / 36,275 sq mi
Africa - 30,300,000 sq km Antarctica - 14,000,000 sq km Asia - 44,700,000 sq km Australia - 7,686,850 sq km Europe - 9,940,000 sq km North America - 24,360,000 sq km South America - 17,770,000 sq km
Assuming you mean in square miles: 1.609344 km = 1 mile → 1 sq km = 1 km × 1 km = (1÷1.609344) mile × (1÷1.609344) mile ≈ 0.3861 sq miles → 802,000 sq km ≈ 802,000 × 0.3861 sq miles ≈ 309,654 sq miles