Online calculator to convert square miles to square hectometers (mi2 to hm2) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Area units.
Conversion Calculator
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Convert mi2 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 square miles and square hectometers.
What is a square mile (mi2)?
A square mile is a unit of area in both US Customary Units as well as the Imperial System. The symbol for square mile is mi2 or sq mi. There are 0.00386102 square miles in a square hectometer. A square mile is calculated as the area of a square that has 1 mile on each side.
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 258.998811 square hectometers in a square mile. 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 mi2 to hm2 is:
hm2 = mi2 x 258.998811
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from square miles to square hectometers (mi2 to hm2).
Square Miles to Square Hectometer Conversion Example
Task: Convert 200 square miles to square hectometers (show work) Formula: mi2 x 258.998811 = hm2 Calculations: 200 mi2 x 258.998811 = 51,799.7622 hm2 Result: 200 mi2 is equal to 51,799.7622 hm2
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from mi2 to hm2.
Square Miles to Square Hectometers Conversion Chart
| square miles (mi2) | square hectometers (hm2) |
|---|---|
| 1 mi2 | 258.998811 hm2 |
| 2 mi2 | 517.997622 hm2 |
| 3 mi2 | 776.996433 hm2 |
| 4 mi2 | 1,035.995244 hm2 |
| 5 mi2 | 1,294.994055 hm2 |
| 6 mi2 | 1,553.992866 hm2 |
| 7 mi2 | 1,812.991677 hm2 |
| 8 mi2 | 2,071.990488 hm2 |
| 9 mi2 | 2,330.989299 hm2 |
| 10 mi2 | 2,589.98811 hm2 |
| 20 mi2 | 5,179.97622 hm2 |
| 30 mi2 | 7,769.96433 hm2 |
| 40 mi2 | 10,359.95244 hm2 |
| 50 mi2 | 12,949.94055 hm2 |
| 75 mi2 | 19,424.910825 hm2 |
| 100 mi2 | 25,899.8811 hm2 |
| 250 mi2 | 64,749.70275 hm2 |
| 500 mi2 | 129,499.4055 hm2 |
| 750 mi2 | 194,249.10825 hm2 |
| 1,000 mi2 | 258,998.811 hm2 |
| 2,500 mi2 | 647,497.0275 hm2 |
| 5,000 mi2 | 1,294,994.055 hm2 |
| 7,500 mi2 | 1,942,491.0825 hm2 |
| 10,000 mi2 | 2,589,988.11 hm2 |
| 25,000 mi2 | 6,474,970.275 hm2 |
| 50,000 mi2 | 12,949,940.55 hm2 |
| 75,000 mi2 | 19,424,910.825 hm2 |
| 100,000 mi2 | 25,899,881.1 hm2 |
| 250,000 mi2 | 64,749,702.75 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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