Square metric area unit.
Square Decimeters to Sections Converter — dm2 to section
Convert Square Decimeter (dm2) to Section (section) using the exact conversion factor (1 square decimeter = 3.861022e-9 section). See the formula, worked examples, and conversion table.
Square Decimeters to Sections 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.
A US public land survey section is one square mile or 640 acres.
Result = input x 0.01 / 2.58998811e+6.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Square Decimeters to Sections
Comparing Square Decimeter and Section 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: Square metric area unit, and a US public land survey section is one square mile or 640 acres.
Formula
sections = square decimeters × 3.861022e-9
This factor comes from each unit's defined relationship to the category's base unit: 1 square decimeter equals 0.01 base units, and 1 section equals 2589988.11034 base units, so dividing one by the other gives the direct square decimeter-to-section factor of 3.861022e-9.
Simple example
1 dm2 × 3.861022e-9 = 3.861022e-9 section
1 square decimeter = 3.861022e-9 sections.
Real-world example
10 dm2 × 3.861022e-9 = 3.861022e-8 section
10 square decimeters = 3.861022e-8 sections.
Conversion table
| Square Decimeter (dm2) | Section (section) |
|---|---|
| 1 dm2 | 3.861022e-9 section |
| 5 dm2 | 1.930511e-8 section |
| 10 dm2 | 3.861022e-8 section |
| 25 dm2 | 9.652554e-8 section |
| 50 dm2 | 1.930511e-7 section |
| 100 dm2 | 3.861022e-7 section |
Reverse conversion: Section to Square Decimeter
3.861022e-9 section × 258998811 = 1.000000107 dm2
3.861022e-9 sections = 1.000000107 square decimeters.
square decimeters = sections × 258998811.034
For a page dedicated to this direction, see Section to Square Decimeter.
Understanding the Square Decimeter (dm2)
Square metric area unit.
Understanding the Section (section)
A US public land survey section is one square mile or 640 acres.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many sections are in 1 square decimeter?
1 square decimeter equals 3.861022e-9 sections, using the exact defined conversion factor rather than an estimate.
How do I convert square decimeter to section?
Multiply the square decimeter value by 3.861022e-9. The converter above does this instantly to whatever precision you set.
How do I convert section back to square decimeter?
Use the reverse factor: 1 section equals 258,998,811 square decimeters. You can also use the swap control in the converter above to flip the direction instantly.
What is a square decimeter?
Square Decimeter (dm2) is a unit of area.
What is a section?
Section (section) is a unit of area.
Is the square decimeter to section conversion exact?
Yes. Both square decimeter and section are defined by fixed standards rather than physical artifacts, so the factor of 3.861022e-9 used above is exact to as many digits as you choose to display.