A US public land survey section is one square mile or 640 acres.
Sections to Square Decimeters Converter — section to dm2
Convert Section (section) to Square Decimeter (dm2) using the exact conversion factor (1 section = 258,998,811 square decimeter). See the formula, worked examples, and conversion table.
Sections to Square Decimeters 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 / 0.01.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Sections to Square Decimeters
Comparing Section and Square Decimeter 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 decimeters = sections × 258998811.034
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 decimeter equals 0.01 base units, so dividing one by the other gives the direct section-to-square decimeter factor of 258998811.034.
Simple example
1 section × 258998811 = 258,998,811 dm2
1 section = 258,998,811 square decimeters.
Real-world example
10 section × 258998811 = 2,589,988,110 dm2
10 sections = 2,589,988,110 square decimeters.
Conversion table
| Section (section) | Square Decimeter (dm2) |
|---|---|
| 1 section | 258,998,811 dm2 |
| 5 section | 1,294,994,055 dm2 |
| 10 section | 2,589,988,110 dm2 |
| 25 section | 6,474,970,276 dm2 |
| 50 section | 12,949,940,550 dm2 |
| 100 section | 25,899,881,100 dm2 |
Reverse conversion: Square Decimeter to Section
1 dm2 × 3.861022e-9 = 3.861022e-9 section
1 square decimeter = 3.861022e-9 sections.
sections = square decimeters × 3.861022e-9
For a page dedicated to this direction, see Square Decimeter to Section.
Understanding the Section (section)
A US public land survey section is one square mile or 640 acres.
Understanding the Square Decimeter (dm2)
Square metric area unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many square decimeters are in 1 section?
1 section equals 258,998,811 square decimeters, using the exact defined conversion factor rather than an estimate.
How do I convert section to square decimeter?
Multiply the section value by 258998811. The converter above does this instantly to whatever precision you set.
How do I convert square decimeter back to section?
Use the reverse factor: 1 square decimeter equals 3.861022e-9 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 decimeter?
Square Decimeter (dm2) is a unit of area.
Is the section to square decimeter conversion exact?
Yes. Both section and square decimeter are defined by fixed standards rather than physical artifacts, so the factor of 258998811 used above is exact to as many digits as you choose to display.