Forgive me if I sound scolding, but asking this question is like asking "How many dinner plates are in a ski boat?".
You must ask how many sq miles are in a sq km. The units have to be consistent in their meaning.
Having said that, if you want to know how many sq mi are in 3,000,000 sq km the the answer is quite simple.
~1.6 km/mi
Squaring this we get 2.56 sq km/sq mi
3,000,000 sq km divided by 2.56 sq km/sq mi gives us 1,171,875 sq mi
Therefore there are approximately 1,171,875 sq mi in 3,000,000 sq km
6,880 sq miles (17,818 km²)
4,473 sq miles (11,586 km²)
Here is the area of each of the seven continents:CONTINENTS (by size)#1 Asia - (44,579,000 sq km, 17,212,000 sq Miles)#2 Africa - (30,065,000 sq km, 11,608,000 sq Miles)#3 North America - (24,256,000 sq km, 9,365,000 sq Miles)#4 South America - (17,819,000 sq km, 4,949,000 sq Miles)#5 Antarctica - (13,209,000 sq km, 5,100,000 sq Miles)#6 Europe - (9,938,000 sq km, 3,837,000 sq Miles)#7 Australia/Oceania - (7,687,000 sq km, 2,968,000 sq Miles)
Mexico is the 13th biggest country out of all the countries in the world at 1,972,550.00 sq km (761,605.50 sq miles), just behind #11: Algeria; #12: the Democratic Replic of Congo, and ahead of #14: Saudi Arabia. The top ten biggest countries are: Russia17,075,400 sq km, (6,592,846 sq miles)Canada 9,330,970 sq km, (3,602,707 sq miles)China 9,326,410 sq km, (3,600,947 sq miles)USA 9.166,600 sq km, (3,539,242 sq miles)Brazil 8,456,510 sq km, (3,265,075 sq miles)Aralia 7,617,930 sq km, (2,941,283 sq miles)India 2,973,190 sq km, (1,147,949 sq miles)Argentina 2,736,690 sq km, (1,056,636 sq miles)Kazakhstan 2,717,300 sq km, (1,049,150 sq miles)Sudan 2,376,000 sq km, (917,374 sq miles)
Approx 135 square miles.
6,880 sq miles (17,818 km²)
4,473 sq miles (11,586 km²)
5620 sq km = 2170 sq miles.
The Sahara is about 3,320,000 square miles and growing.
1,250 sq miles = 2,011.7 sq kilometres
Greenland - (840,004 sq. miles) (2,175,600 sq. km)New Guinea - (303,381 sq. miles) (785,753 sq. km)Borneo - (288,869 sq. miles) (748,168 sq. km)Madagascar - (226,917 sq. miles) (587,713 sq. km)Baffin - (194,574 sq. miles) (503,944 sq. km)
63,170 sq miles (163,610 km²).
1,000,000 sq km = 386,100 square miles.
Answer: 241038 km² = 93,065.292 mi²
Here is the area of each of the seven continents:CONTINENTS (by size)#1 Asia - (44,579,000 sq km, 17,212,000 sq Miles)#2 Africa - (30,065,000 sq km, 11,608,000 sq Miles)#3 North America - (24,256,000 sq km, 9,365,000 sq Miles)#4 South America - (17,819,000 sq km, 4,949,000 sq Miles)#5 Antarctica - (13,209,000 sq km, 5,100,000 sq Miles)#6 Europe - (9,938,000 sq km, 3,837,000 sq Miles)#7 Australia/Oceania - (7,687,000 sq km, 2,968,000 sq Miles)
115,830.64
5000 sq kilometers is approximately 1,930.5 sq miles.