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 Acre (dm2 to ac)

Single conversion

Square Decimeter to Acre Conversion Formula

To convert from Square Decimeter (dm2) to Acre (ac), use the following formula:

 Acre (ac)\textbf{ Acre} \text{ (ac)}

=1100×10.7639×143560× Square Decimeter (dm2)= \frac{1}{100} \times 10.7639 \times \frac{1}{43560}\times \textbf{ Square Decimeter} \text{ (dm2)}

=0.0000024710514233241505969× Square Decimeter (dm2)= 0.0000024710514233241505969\times \textbf{ Square Decimeter} \text{ (dm2)}

With 10.763910.7639 is the ratio between the base units Square Foot (ft2) and Square Meter (m2).

Example

Let's convert 5 Square Decimeter (dm2) to Acre (ac).

Using the formula:

5×0.0000024710514233241505969=0.0000123552571166207529855 \times 0.0000024710514233241505969 = 0.000012355257116620752985

Therefore, 5 Square Decimeter (dm2) is equal to 0.0000123552571166207529850.000012355257116620752985 Acre (ac).

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 an Acre (ac)?

An acre (ac) is a common unit of area used to measure land in the United States and the United Kingdom.

It is equal to exactly 43,560 square feet.

Because it can be hard to picture that size, this guide breaks down the acre's origins, dimensions, and how it compares to other units.

An Acre at a Glance:

  • Size in Square Feet: 43,560 sq ft
  • Size in Yards: 4,840 sq yd
  • Comparison: Covers about 75% of an American football field.
  • Metric Equivalent: About 0.404 hectares.

Where Did the Acre Come From?

The acre has deep roots in agriculture. Historically, it was defined as the amount of land that one person with a single ox could plow in one day.

This practical, work-based unit was measured as an area one "furlong" long (660 feet) by one "chain" wide (66 feet).

This origin explains why the acre became a standard for land measurement long before modern units were adopted.

What Are the Dimensions of an Acre?

Many people ask about the dimensions of an acre, but because it's a measure of area, it has no required shape or specific length.

While it equals 43,560 square feet, it doesn't have to be a perfect square. An acre can be a long rectangle, an L-shape, or even a circle—as long as the total area adds up.

To help you visualize an acre, imagine a standard American football field, including the end zones. One football field is about 1.32 acres, which means a single acre would cover about three-quarters of it.

How Does an Acre Compare to a Hectare?

While the acre is standard in the US, most of the world uses the hectare, a metric unit of land measurement.

This difference is crucial for anyone working in international real estate, agriculture, or science.

Here's a simple acre to hectare conversion:

  • 1 hectare = 10,000 square meters
  • 1 hectare = approximately 2.47 acres

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.

What is the imperial system?

The imperial system is a system of measurement that was first defined in the British Weights and Measures Act of 1824. It's known for using units like inches, feet, pounds, and gallons. While most of the world now uses the metric system, the imperial system remains the official system of measurement in the United States and is still used in specific contexts in other countries, such as the United Kingdom and Canada.

Square Decimeter to Acre Conversion Table

Here are some quick reference conversions from Square Decimeter (dm2) to Acre (ac):

Square DecimetersAcres
0.000001 dm22.4710514233241505969×10122.4710514233241505969\times 10^{-12} ac
0.001 dm22.4710514233241505969×1092.4710514233241505969\times 10^{-9} ac
0.1 dm22.4710514233241505969×1072.4710514233241505969\times 10^{-7} ac
1 dm20.00000247105142332415059690.0000024710514233241505969 ac
2 dm20.00000494210284664830119380.0000049421028466483011938 ac
3 dm20.00000741315426997245179070.0000074131542699724517907 ac
4 dm20.00000988420569329660238760.0000098842056932966023876 ac
5 dm20.0000123552571166207529850.000012355257116620752985 ac
6 dm20.0000148263085399449035810.000014826308539944903581 ac
7 dm20.0000172973599632690541780.000017297359963269054178 ac
8 dm20.0000197684113865932047750.000019768411386593204775 ac
9 dm20.0000222394628099173553720.000022239462809917355372 ac
10 dm20.0000247105142332415059690.000024710514233241505969 ac
20 dm20.0000494210284664830119380.000049421028466483011938 ac
30 dm20.0000741315426997245179070.000074131542699724517907 ac
40 dm20.0000988420569329660238760.000098842056932966023876 ac
50 dm20.000123552571166207529850.00012355257116620752985 ac
100 dm20.000247105142332415059690.00024710514233241505969 ac
1000 dm20.00247105142332415059690.0024710514233241505969 ac
10000 dm20.0247105142332415059690.024710514233241505969 ac

List some Area Converters:

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

dm2 to ac | Convert Square Decimeter to Acre