Convert square kilometers to square meters

1 km² = 1000000 m² — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

1 000 000m²
✓ Exact 1 km² = 1 000 000 m²
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1 km² = 1000000 m²
Show this value in all 25 area units
  • Square kilometers km² 1
  • Square hectometers hm² 100
  • Square decameters dam² 10 000
  • Square meters m² 1 000 000
  • Square decimeters dm² 100 000 000
  • Square centimeters cm² 10 000 000 000
  • Square millimeters mm² 1 000 000 000 000
  • Square micrometers µm² 1e+18
  • Square nanometers nm² 1e+24
  • Hectares ha 100
  • Ares a 10 000
  • Decares daa 1000
  • Square inches in² 1 550 003 100.01
  • Square feet ft² 10 763 910.4167
  • Square yards yd² 1 195 990.0463
  • Square miles mi² 0.386 102 158 542
  • Acres ac 247.105 381 467
  • Roods ro 988.421 525 869
  • Square rods rd² 39 536.861 034 7
  • Sections section 0.386 102 158 542
  • Townships twp 0.010 725 059 959 5
  • Roofing squares sq 107 639.104 167
  • Circular mils cmil 1 973 525 241 390 000
  • Barns b 1e+34
  • Tsubos 坪 302 500

Every row is Square kilometer (km²) converted through the square meter, in exact rational arithmetic.

How to convert square kilometers to square meters

Multiply the number of square kilometers by 1000000 to get square meters.

The exact factor is 1000000 .

Square kilometer to Square meter conversion table

Square kilometers (km²) Square meters (m²)
1 km² 1 000 000
2 km² 2 000 000
3 km² 3 000 000
5 km² 5 000 000
10 km² 10 000 000
20 km² 20 000 000
25 km² 25 000 000
50 km² 50 000 000
100 km² 100 000 000
250 km² 250 000 000
500 km² 500 000 000
1000 km² 1 000 000 000

Square meter to Square kilometer conversion table

Square meters (m²) Square kilometers (km²)
1 m² 0.000 001
2 m² 0.000 002
3 m² 0.000 003
5 m² 0.000 005
10 m² 0.000 01
20 m² 0.000 02
25 m² 0.000 025
50 m² 0.000 05
100 m² 0.0001
250 m² 0.000 25
500 m² 0.0005
1000 m² 0.001

Frequently asked

How many square meters are in a square kilometer?

One square kilometer equals 1000000 square meters (km² → m²). That figure is exact, not rounded.

How do you convert square kilometers to square meters?

Multiply the number of square kilometers by 1000000 to get square meters.

What is 1 m² in square kilometers?

One square meter is 0.000001 square kilometers.

What is 10 km² in m²?

10 km² = 10 000 000 m².

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