Square metric area unit.
Square Megameters to Square Hectometers Converter — Mm2 to hm2
Convert Square Megameter (Mm2) to Square Hectometer (hm2) using the exact conversion factor (1 square megameter = 100,000,000 square hectometer). See the formula, worked examples, and conversion table.
Square Megameters to Square Hectometers converter
Converter
Area Converter
Convert land, construction, mapping, survey, and scientific area units.
Context values
Some unit families need one extra value for a physically accurate result.
Square metric area unit.
Result = input x 1e+12 / 10000.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Square Megameters to Square Hectometers
Comparing Square Megameter and Square Hectometer is common in agriculture and real estate, where US land is typically measured in acres and most of the rest of the world uses hectares. Both are square metric area unit units.
Formula
square hectometers = square megameters × 100000000
This factor comes from each unit's defined relationship to the category's base unit: 1 square megameter equals 1e+12 base units, and 1 square hectometer equals 10000 base units, so dividing one by the other gives the direct square megameter-to-square hectometer factor of 100000000.
Simple example
1 Mm2 × 100000000 = 100,000,000 hm2
1 square megameter = 100,000,000 square hectometers.
Real-world example
10 Mm2 × 100000000 = 1,000,000,000 hm2
10 square megameters = 1,000,000,000 square hectometers.
Conversion table
| Square Megameter (Mm2) | Square Hectometer (hm2) |
|---|---|
| 1 Mm2 | 100,000,000 hm2 |
| 5 Mm2 | 500,000,000 hm2 |
| 10 Mm2 | 1,000,000,000 hm2 |
| 25 Mm2 | 2,500,000,000 hm2 |
| 50 Mm2 | 5,000,000,000 hm2 |
| 100 Mm2 | 10,000,000,000 hm2 |
Reverse conversion: Square Hectometer to Square Megameter
1 hm2 × 1e-8 = 1e-8 Mm2
1 square hectometer = 1e-8 square megameters.
square megameters = square hectometers × 1e-8
For a page dedicated to this direction, see Square Hectometer to Square Megameter.
Understanding the Square Megameter (Mm2)
Square metric area unit.
Understanding the Square Hectometer (hm2)
Square metric area unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many square hectometers are in 1 square megameter?
1 square megameter equals 100,000,000 square hectometers, using the exact defined conversion factor rather than an estimate.
How do I convert square megameter to square hectometer?
Multiply the square megameter value by 100000000. The converter above does this instantly to whatever precision you set.
How do I convert square hectometer back to square megameter?
Use the reverse factor: 1 square hectometer equals 1e-8 square megameters. You can also use the swap control in the converter above to flip the direction instantly.
What is a square megameter?
Square Megameter (Mm2) is a unit of area.
What is a square hectometer?
Square Hectometer (hm2) is a unit of area.
Is the square megameter to square hectometer conversion exact?
Yes. Both square megameter and square hectometer are defined by fixed standards rather than physical artifacts, so the factor of 100000000 used above is exact to as many digits as you choose to display.