How do I convert square meters to square kilometers?

Multiply the square meter value by 1.0000 × 10^−6. So x m² × 1.0000 × 10^−6 = the equivalent in km².

What is 5 square meters in square kilometers?

5 square meters equals 5.0000 × 10^−6 square kilometers.

What is 10 square meters in square kilometers?

10 square meters equals 1.0000 × 10^−5 square kilometers.

What is 100 square meters in square kilometers?

100 square meters equals 0.0001 square kilometers.

How do I convert back from square kilometers to square meters?

Multiply the square kilometer value by 1000000. For example, 1 km² = 1000000 m².

Is the square meter bigger than the square kilometer?

No. 1 square meter is smaller than 1 square kilometer. It takes 1000000 square meters to equal 1 square kilometer.

Are these conversion factors exact?

The factor is derived directly from the SI definitions of square meter and square kilometer; the displayed value is rounded for readability, and the browser computes using IEEE 754 double-precision arithmetic.

Square meters to Square kilometers Converter

1 m² = 1.0000 × 10^−6 km² (square meter → square kilometer)

1 m² = 1.0000 × 10^−6 km²

1 square meter equals 1.0000 × 10^−6 square kilometers. To convert square meters to square kilometers, multiply the square meter value by 1.0000 × 10^−6. For quick reference: 1 m² = 1.0000 × 10^−6 km², 5 m² = 5.0000 × 10^−6 km², 10 m² = 1.0000 × 10^−5 km², 100 m² = 0.0001 km².

From

1.0000 × 10^−6

FormulaSquare kilometers = Square meters × 1.0000 × 10^−6

Quick

When to use square meters → square kilometers

Square meters to square kilometers divides by 1,000,000 — the linear factor of 1,000 squared, which is the whole trap. A 500,000 m² industrial zone is 0.5 km², not 500 km². Dropping only three zeros instead of six is the single most common error in this conversion, and it misstates an area by a factor of a thousand. Use km² for districts and cities, m² for buildings and plots.

Urban planners comparing a proposed development's footprint against the municipality's total land area need both scales side by side — a 45,000 m² business park is 0.045 km², an 800,000 m² industrial estate is 0.8 km², and 2,500,000 m² of proposed rezoning is 2.5 km². Because the ratio is a flat million, this conversion is really a bookkeeping step for translating site-plan figures into the units used in regional statistics and planning reports.

How to convert square meters to square kilometers

Take your value
Start with your value in square meters.
Multiply by 1.0000 × 10^−6
Multiply the square meter value by 1.0000 × 10^−6. This is the exact conversion factor from square meters to square kilometers.
Read the result
The product is your value in square kilometers. For example, 5 m² × 1.0000 × 10^−6 = 5.0000 × 10^−6 km².

Conversion formula

The exact factor from square meters to square kilometers is 1.0000 × 10^−6.

Square kilometers = Square meters × 1.0000 × 10^−6

Square meters to Square kilometers conversion table

Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.

Conversion table from square meters to square kilometers
Square meters (m²)	Square kilometers (km²)
0.1 m²	1.0000 × 10^−7 km²
0.25 m²	2.5000 × 10^−7 km²
0.5 m²	5.0000 × 10^−7 km²
1 m²	1.0000 × 10^−6 km²
2 m²	2.0000 × 10^−6 km²
3 m²	3.0000 × 10^−6 km²
4 m²	4.0000 × 10^−6 km²
5 m²	5.0000 × 10^−6 km²
6 m²	6.0000 × 10^−6 km²
7 m²	7.0000 × 10^−6 km²
8 m²	8.0000 × 10^−6 km²
9 m²	9.0000 × 10^−6 km²
10 m²	1.0000 × 10^−5 km²
12 m²	1.2000 × 10^−5 km²
15 m²	1.5000 × 10^−5 km²
20 m²	2.0000 × 10^−5 km²
25 m²	2.5000 × 10^−5 km²
30 m²	3.0000 × 10^−5 km²
40 m²	4.0000 × 10^−5 km²
50 m²	5.0000 × 10^−5 km²
60 m²	6.0000 × 10^−5 km²
70 m²	7.0000 × 10^−5 km²
75 m²	7.5000 × 10^−5 km²
80 m²	8.0000 × 10^−5 km²
90 m²	9.0000 × 10^−5 km²
100 m²	0.0001 km²
120 m²	0.00012 km²
150 m²	0.00015 km²
200 m²	0.0002 km²
250 m²	0.00025 km²
300 m²	0.0003 km²
400 m²	0.0004 km²
500 m²	0.0005 km²
600 m²	0.0006 km²
750 m²	0.00075 km²
800 m²	0.0008 km²
1000 m²	0.001 km²
1200 m²	0.0012 km²
1500 m²	0.0015 km²
2000 m²	0.002 km²
2500 m²	0.0025 km²
3000 m²	0.003 km²
4000 m²	0.004 km²
5000 m²	0.005 km²
7500 m²	0.0075 km²
10000 m²	0.01 km²
20000 m²	0.02 km²
50000 m²	0.05 km²
100000 m²	0.1 km²
1000000 m²	1 km²

Real-world reference

A typical one-bedroom apartment in Europe is 45–60 m². A standard parking space is about 12 m².

Frequently asked questions

How many square kilometers are in 1 square meter?: 1 square meter equals 1.0000 × 10^−6 square kilometers.
How do I convert square meters to square kilometers?: Multiply the square meter value by 1.0000 × 10^−6. So x m² × 1.0000 × 10^−6 = the equivalent in km².
What is 5 square meters in square kilometers?: 5 square meters equals 5.0000 × 10^−6 square kilometers.
What is 10 square meters in square kilometers?: 10 square meters equals 1.0000 × 10^−5 square kilometers.
What is 100 square meters in square kilometers?: 100 square meters equals 0.0001 square kilometers.
How do I convert back from square kilometers to square meters?: Multiply the square kilometer value by 1000000. For example, 1 km² = 1000000 m².
Is the square meter bigger than the square kilometer?: No. 1 square meter is smaller than 1 square kilometer. It takes 1000000 square meters to equal 1 square kilometer.
Are these conversion factors exact?: The factor is derived directly from the SI definitions of square meter and square kilometer; the displayed value is rounded for readability, and the browser computes using IEEE 754 double-precision arithmetic.

About the square meter and the square kilometer

The square meter

The square meter is the SI unit of area — the area of a square one meter on each side. It's the standard for apartment and house listings in nearly every metric country, for material quantities (flooring, paint coverage), and for all scientific work. A typical parking space is about 12 m²; a singles tennis court is about 195 m².

The square kilometer

The square kilometer equals one million square meters — the standard unit for city, region, and country areas in metric countries. Manhattan is about 59 km²; Istanbul is about 5,461 km²; Turkey is about 783,562 km². One km² equals exactly 100 hectares or about 0.386 square miles.

Square kilometers to Square meters

km² → m²

Square meters to Square feet

m² → ft²

Square meters to Acres

m² → ac

Square meters to Hectares

m² → ha

Square meters to Square miles

m² → mi²

Square feet to Square meters

ft² → m²