Online calculator to convert acres to square hectometers (ac to hm2) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Area units.
Conversion Calculator
Enter your value in the conversion calculator below.
Convert acres to hm2
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between acres and square hectometers.
What is an acre (ac)?
An acre is a unit of area in both US Customary Units as well as the Imperial System. The symbol for acre is ac. There are 2.47105382 acres in a square hectometer.
What is a square hectometer (hm2)?
A square hectometer is a unit of area in the Metric System. The symbol for square hectometer is hm2. There are 0.404685642 square hectometers in an acre. A square hectometer is calculated as the area of a square that has 1 hectometer on each side. The International spelling for this unit is square hectometre.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from acres to hm2 is:
hm2 = acres x 0.404685642
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from acres to square hectometers (ac to hm2).
Acres to Square Hectometer Conversion Example
Task: Convert 5,000 acres to square hectometers (show work) Formula: acres x 0.404685642 = hm2 Calculations: 5,000 acres x 0.404685642 = 2,023.42821 hm2 Result: 5,000 acres is equal to 2,023.42821 hm2
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from acres to hm2.
Acres to Square Hectometers Conversion Chart
| acres (ac) | square hectometers (hm2) |
|---|---|
| 1 acres | 0.40468564 hm2 |
| 2 acres | 0.80937128 hm2 |
| 3 acres | 1.21405693 hm2 |
| 4 acres | 1.61874257 hm2 |
| 5 acres | 2.02342821 hm2 |
| 6 acres | 2.42811385 hm2 |
| 7 acres | 2.83279949 hm2 |
| 8 acres | 3.23748514 hm2 |
| 9 acres | 3.64217078 hm2 |
| 10 acres | 4.04685642 hm2 |
| 20 acres | 8.09371284 hm2 |
| 30 acres | 12.14056926 hm2 |
| 40 acres | 16.18742568 hm2 |
| 50 acres | 20.2342821 hm2 |
| 75 acres | 30.35142315 hm2 |
| 100 acres | 40.4685642 hm2 |
| 250 acres | 101.1714105 hm2 |
| 500 acres | 202.342821 hm2 |
| 750 acres | 303.5142315 hm2 |
| 1,000 acres | 404.685642 hm2 |
| 2,500 acres | 1,011.714105 hm2 |
| 5,000 acres | 2,023.42821 hm2 |
| 7,500 acres | 3,035.142315 hm2 |
| 10,000 acres | 4,046.85642 hm2 |
| 25,000 acres | 10,117.14105 hm2 |
| 50,000 acres | 20,234.2821 hm2 |
| 75,000 acres | 30,351.42315 hm2 |
| 100,000 acres | 40,468.5642 hm2 |
| 250,000 acres | 101,171.4105 hm2 |
Related Units
This table provides a summary of the Area units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| square inches | in2 or sq in | US Customary Units/Imperial System |
| square feet | ft2 or sq ft | US Customary Units/Imperial System |
| square yards | yd2 or sq yd | US Customary Units/Imperial System |
| acres | ac | US Customary Units/Imperial System |
| square miles | mi2 or sq mi | US Customary Units/Imperial System |
| square millimeters | mm2 | Metric System |
| square centimeters | cm2 | Metric System |
| square decimeters | dm2 | Metric System |
| square meters | m2 | Metric System |
| square decameters | dam2 | Metric System |
| square hectometers | hm2 | Metric System |
| hectares | ha | Metric System |
| square kilometers | km2 | Metric System |
Note: For area conversions, US Customary Units and the Imperial System are equivalent.
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