Square kilometer to Square meter Converter
1 km² = 1,000,000 m² — convert instantly with formula and table.
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Quick answer: one square kilometer equals 1,000,000 square meters. So to convert square kilometers to square meters, multiply by 1,000,000.
How to convert square kilometers to square meters
square meters = square kilometers × 1,000,000
The square kilometer (a million square meters) measures cities, lakes and countries — about 0.386 square miles.
The square meter is the SI unit of area and the global standard for apartment and house sizes outside North America.
Square kilometer to Square meter conversion table
| Square kilometer (km²) | Square meter (m²) |
|---|---|
| 0.01 km² | 10,000 m² |
| 0.1 km² | 100,000 m² |
| 0.25 km² | 250,000 m² |
| 0.4 km² | 400,000 m² |
| 0.75 km² | 750,000 m² |
| 1.25 km² | 1,250,000 m² |
| 1.75 km² | 1,750,000 m² |
| 2.5 km² | 2,500,000 m² |
| 3.5 km² | 3,500,000 m² |
| 4.5 km² | 4,500,000 m² |
| 6 km² | 6,000,000 m² |
| 8 km² | 8,000,000 m² |
| 10 km² | 10,000,000 m² |
| 12 km² | 12,000,000 m² |
| 14 km² | 14,000,000 m² |
| 16 km² | 16,000,000 m² |
| 18 km² | 18,000,000 m² |
| 20 km² | 20,000,000 m² |
| 24 km² | 24,000,000 m² |
| 26 km² | 26,000,000 m² |
| 30 km² | 30,000,000 m² |
| 35 km² | 35,000,000 m² |
| 45 km² | 45,000,000 m² |
| 55 km² | 55,000,000 m² |
| 65 km² | 65,000,000 m² |
| 75 km² | 75,000,000 m² |
| 85 km² | 85,000,000 m² |
| 95 km² | 95,000,000 m² |
| 110 km² | 110,000,000 m² |
| 125 km² | 125,000,000 m² |
| 175 km² | 175,000,000 m² |
| 250 km² | 250,000,000 m² |
| 350 km² | 350,000,000 m² |
| 450 km² | 450,000,000 m² |
| 600 km² | 600,000,000 m² |
| 750 km² | 750,000,000 m² |
| 900 km² | 900,000,000 m² |
| 1,500 km² | 1,500,000,000 m² |
| 2,500 km² | 2,500,000,000 m² |
| 10,000 km² | 10,000,000,000 m² |
Need the opposite direction? Use the Square meter to Square kilometer converter, or read our complete guide to area conversions for every formula in one place.
Frequently asked questions
How many square meters are in one square kilometer?
One square kilometer equals 1,000,000 square meters. Multiply any square kilometer value by 1,000,000 to get square meters.
What is 10 square kilometers in square meters?
10 square kilometers equal 10,000,000 square meters (10 × 1,000,000).
Is the square kilometer to square meter conversion exact?
The conversion factor used here (1,000,000) is based on the internationally agreed definitions of both units, so results are exact up to rounding of the final decimal places.
Is my data stored when I use this converter?
No. The conversion runs entirely in your browser with JavaScript — nothing you type is sent to a server, logged or stored.