Convert between different units quickly and accurately in a modern way

Choose a Measurement

Select a measurement and convert between different units

Convert Area from Square Kilometer to Square Decimeter (km2 to dm2)

Single conversion

Square Kilometer to Square Decimeter Conversion Formula

To convert from Square Kilometer (km2) to Square Decimeter (dm2), use the following formula:

 Square Decimeter (dm2)\textbf{ Square Decimeter} \text{ (dm2)}

=106×100× Square Kilometer (km2)= 10^{6} \times 100\times \textbf{ Square Kilometer} \text{ (km2)}

=108× Square Kilometer (km2)= 10^{8}\times \textbf{ Square Kilometer} \text{ (km2)}

Example

Let's convert 5 Square Kilometer (km2) to Square Decimeter (dm2).

Using the formula:

5×108=5000000005 \times 10^{8} = 500000000

Therefore, 5 Square Kilometer (km2) is equal to 500000000500000000 Square Decimeter (dm2).

What is a Square Kilometer (km²)?

A square kilometer (km²) is a unit used to measure area in the metric system.

It represents a square that is one kilometer long on each side, which equals one million square meters (10⁶ m²).

How Big is a Square Kilometer?

It can be challenging to visualize such a large area, so let's put it into perspective. A single square kilometer is equivalent to:

  • Approximately 247 acres.
  • About 140 international soccer fields.
  • The entire area of a large city park or a small urban neighborhood.

Due to its vast size, the square kilometer is a crucial unit for geographers, urban planners, and scientists when measuring large sections of land or water.

How is the Square Kilometer Used for Global Measurements?

When it comes to measuring our planet, the square kilometer is the standard unit of choice.

The total surface area of Earth is a massive 510 million square kilometers.

This total area is broken down into:

  • Land: Roughly 149 million km² (29.2% of the surface).
  • Water: Roughly 361 million km² (70.8% of the surface).

These figures show why the square kilometer is crucial for scientists studying global climate patterns, mapping population density, and managing natural resources.

How Does a Square Kilometer Compare to a Square Mile?

While much of the world uses the metric system, some countries (like the United States) use the imperial system, where large areas are measured in square miles.

A square kilometer is significantly smaller than a square mile. Here's the quick conversion:

  • 1 square kilometer = approximately 0.386 square miles.
  • 1 square mile = approximately 2.59 square kilometers.

Keeping this difference in mind is essential when comparing geographical data from different countries, whether you're examining the size of a national park or the area of a city.

What is a Square Decimeter (dm²)?

A square decimeter (dm²) is a unit of area in the metric system.

It is equal to one-hundredth of a square meter (0.01 m²). The plural form is square decimeters.

How Big is a Square Decimeter? Everyday Examples

The square decimeter is a practical unit for measuring things that are too big for square centimeters but too small for square meters. Think of it as a handy bridge between the two.

For example, the surface area of a small floor tile, a piece of A4 paper, or the screen of a tablet can be conveniently measured in square decimeters.

It's also frequently used in crafts like leatherwork and woodworking for measuring smaller pieces of material.

The square decimeter is also directly connected to volume—specifically, the liter.

Imagine a cube with a base of exactly one square decimeter (1 dm²) and a height of one decimeter (1 dm). The volume of this cube is one cubic decimeter (1 dm³), which is the exact definition of one liter.

This makes the square decimeter a helpful unit of measurement for visualizing the capacity of everyday items, such as a carton of milk or a water bottle.

Square Decimeter Conversions (dm² to m² and cm²)

Converting the square decimeter to other metric units is very straightforward.

Here are the most common conversions:

  • 1 square meter (m²) = 100 square decimeters (dm²)
  • 1 square decimeter (dm²) = 100 square centimeters (cm²)

What is the metric system?

The metric system is a decimal-based system of measurement used by nearly every country in the world. Its key feature is the use of prefixes to denote multiples and submultiples of the base units by powers of ten.

Square Kilometer to Square Decimeter Conversion Table

Here are some quick reference conversions from Square Kilometer (km2) to Square Decimeter (dm2):

Square KilometersSquare Decimeters
0.000001 km2100100 dm2
0.001 km210510^{5} dm2
0.1 km210710^{7} dm2
1 km210810^{8} dm2
2 km2200000000200000000 dm2
3 km2300000000300000000 dm2
4 km2400000000400000000 dm2
5 km2500000000500000000 dm2
6 km2600000000600000000 dm2
7 km2700000000700000000 dm2
8 km2800000000800000000 dm2
9 km2900000000900000000 dm2
10 km210910^{9} dm2
20 km220000000002000000000 dm2
30 km230000000003000000000 dm2
40 km240000000004000000000 dm2
50 km250000000005000000000 dm2
100 km2101010^{10} dm2
1000 km2101110^{11} dm2
10000 km2101210^{12} dm2

List some Area Converters:

For all Area converters, choose units using the From/To dropdowns above.

km2 to dm2 | Single Conversion | Modern Converts