AREA CONVERSION
Square kilometer to Square meter.
Convert square kilometer (km²) to square meter (m²), with the math explained.
1 km² = 1,000,000 m²
THE MATH, MADE SIMPLE
How to convert square kilometer to square meter
Multiply your square kilometer value by 1,000,000 to get the equivalent in square meter. Both units are normalized through the square meter.
m² = km² × 1,000,00010 km² = 10,000,000 m²
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.QUICK REFERENCE
km² to m² conversion table
| Square kilometer (km²) | Square meter (m²) |
|---|---|
| 1 km² | 1,000,000 m² |
| 2 km² | 2,000,000 m² |
| 5 km² | 5,000,000 m² |
| 10 km² | 10,000,000 m² |
| 20 km² | 20,000,000 m² |
| 50 km² | 50,000,000 m² |
| 100 km² | 100,000,000 m² |
| 500 km² | 500,000,000 m² |
| 1,000 km² | 1,000,000,000 m² |
About the square kilometer
The square kilometer (km²) is a unit of area. One square kilometer equals 1,000,000 square meter (base unit) in this calculator.
All square kilometer conversionsAbout the square meter
The square meter (m²) is a unit of area. One square meter equals 1 square meter (base unit) in this calculator.
All square meter conversionsCommon questions
What is 1 km² in m²?
One square kilometer equals 1,000,000 m². Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
BROWSE BY UNIT