A US public land survey section is one square mile or 640 acres.
Sections to Ares Converter — section to a
Convert Section (section) to Are (a) using the exact conversion factor (1 section = 25,899.8811 are). See the formula, worked examples, and conversion table.
Sections to Ares 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.
An are is 100 square meters.
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 Ares
Comparing Section and Are 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 an are is 100 square meters.
Formula
ares = 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 are equals 100 base units, so dividing one by the other gives the direct section-to-are factor of 25899.8811034.
Simple example
1 section × 25899.8811 = 25,899.8811 a
1 section = 25,899.8811 ares.
Real-world example
10 section × 25899.8811 = 258,998.811 a
10 sections = 258,998.811 ares.
Conversion table
| Section (section) | Are (a) |
|---|---|
| 1 section | 25,899.8811 a |
| 5 section | 129,499.4055 a |
| 10 section | 258,998.811 a |
| 25 section | 647,497.0276 a |
| 50 section | 1,294,994.055 a |
| 100 section | 2,589,988.11 a |
Reverse conversion: Are to Section
1 a × 0.00003861021585 = 0.0000386102 section
1 are = 0.0000386102 sections.
sections = ares × 0.0000386102158542
For a page dedicated to this direction, see Are to Section.
Understanding the Section (section)
A US public land survey section is one square mile or 640 acres.
Understanding the Are (a)
An are is 100 square meters.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ares are in 1 section?
1 section equals 25,899.8811 ares, using the exact defined conversion factor rather than an estimate.
How do I convert section to are?
Multiply the section value by 25899.8811. The converter above does this instantly to whatever precision you set.
How do I convert are back to section?
Use the reverse factor: 1 are 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 are?
Are (a) is a unit of area.
Is the section to are conversion exact?
Yes. Both section and are 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.