A US public land survey section is one square mile or 640 acres.
Sections to Square Decameters Converter — section to dam2
Convert Section (section) to Square Decameter (dam2) using the exact conversion factor (1 section = 25,899.8811 square decameter). See the formula, worked examples, and conversion table.
Sections to Square Decameters 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 2.58998811e+6 / 100.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Sections to Square Decameters
Comparing Section and Square Decameter 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. Specifically: A US public land survey section is one square mile or 640 acres, and square metric area unit.
Formula
square decameters = sections × 25899.8811034
This factor comes from each unit's defined relationship to the category's base unit: 1 section equals 2589988.11034 base units, and 1 square decameter equals 100 base units, so dividing one by the other gives the direct section-to-square decameter factor of 25899.8811034.
Simple example
1 section × 25899.8811 = 25,899.8811 dam2
1 section = 25,899.8811 square decameters.
Real-world example
10 section × 25899.8811 = 258,998.811 dam2
10 sections = 258,998.811 square decameters.
Conversion table
| Section (section) | Square Decameter (dam2) |
|---|---|
| 1 section | 25,899.8811 dam2 |
| 5 section | 129,499.4055 dam2 |
| 10 section | 258,998.811 dam2 |
| 25 section | 647,497.0276 dam2 |
| 50 section | 1,294,994.055 dam2 |
| 100 section | 2,589,988.11 dam2 |
Reverse conversion: Square Decameter to Section
1 dam2 × 0.00003861021585 = 0.0000386102 section
1 square decameter = 0.0000386102 sections.
sections = square decameters × 0.0000386102158542
For a page dedicated to this direction, see Square Decameter to Section.
Understanding the Section (section)
A US public land survey section is one square mile or 640 acres.
Understanding the Square Decameter (dam2)
Square metric area unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many square decameters are in 1 section?
1 section equals 25,899.8811 square decameters, using the exact defined conversion factor rather than an estimate.
How do I convert section to square decameter?
Multiply the section value by 25899.8811. The converter above does this instantly to whatever precision you set.
How do I convert square decameter back to section?
Use the reverse factor: 1 square decameter equals 0.0000386102 sections. You can also use the swap control in the converter above to flip the direction instantly.
What is a section?
Section (section) is a unit of area.
What is a square decameter?
Square Decameter (dam2) is a unit of area.
Is the section to square decameter conversion exact?
Yes. Both section and square decameter are defined by fixed standards rather than physical artifacts, so the factor of 25899.8811 used above is exact to as many digits as you choose to display.