Modern Converts Logo

Modern Converts

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 Decimeter to Square Kilometer (dm2 to km2)
Multiple conversions

Multiple conversions

On This Page

Square Decimeter to Square Kilometer Conversion FormulaExampleWhat is a ?How Big is a Square Decimeter? Everyday ExamplesHow is a Related to a ? (dm² to m² and cm²)What is a Square Kilometer (km²)?How Big is a Square Kilometer?How is the Square Kilometer Used for Global Measurements?How Does a Square Kilometer Compare to a Square Mile?What is the metric system?Square Decimeter to Square Kilometer Conversion Table

Square Decimeter to Square Kilometer Conversion Formula

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

 Square Kilometer (km2)\textbf{ Square Kilometer} \text{ (km2)}

=1100×1106× Square Decimeter (dm2)= \frac{1}{100} \times \frac{1}{10^{6}}\times \textbf{ Square Decimeter} \text{ (dm2)}

=1108× Square Decimeter (dm2)= \frac{1}{10^{8}}\times \textbf{ Square Decimeter} \text{ (dm2)}

=10−8× Square Decimeter (dm2)= 10^{-8}\times \textbf{ Square Decimeter} \text{ (dm2)}

Example

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

Using the formula:

5×10−8=5×10−85 \times 10^{-8} = 5\times 10^{-8}

Therefore, 5 Square Decimeter (dm2) is equal to 5×10−85\times 10^{-8} Square Kilometer (km2).

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 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 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 Decimeter to Square Kilometer Conversion Table

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

Square DecimetersSquare Kilometers
0.000001 dm210−1410^{-14} km2
0.001 dm210−1110^{-11} km2
0.1 dm210−910^{-9} km2
1 dm210−810^{-8} km2
2 dm22×10−82\times 10^{-8} km2
3 dm23×10−83\times 10^{-8} km2
4 dm24×10−84\times 10^{-8} km2
5 dm25×10−85\times 10^{-8} km2
6 dm26×10−86\times 10^{-8} km2
7 dm27×10−87\times 10^{-8} km2
8 dm28×10−88\times 10^{-8} km2
9 dm29×10−89\times 10^{-8} km2
10 dm210−710^{-7} km2
20 dm22×10−72\times 10^{-7} km2
30 dm23×10−73\times 10^{-7} km2
40 dm24×10−74\times 10^{-7} km2
50 dm25×10−75\times 10^{-7} km2
100 dm210−610^{-6} km2
1000 dm210−510^{-5} km2
10000 dm210−410^{-4} km2

List some Area Converters:

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