A US public land survey section is one square mile or 640 acres.
Sections to Square inches Converter — section to in2
Convert Section (section) to Square inch (in2) using the exact conversion factor (1 section = 4,014,489,600 square inch). See the formula, worked examples, and conversion table.
Sections to Square inches 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 square inch is the area of a one-inch square.
Result = input x 2.58998811e+6 / 0.00064516.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Sections to Square inches
Comparing Section and Square inch 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 a square inch is the area of a one-inch square.
Formula
square inches = sections × 4014489600
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 inch equals 0.00064516 base units, so dividing one by the other gives the direct section-to-square inch factor of 4014489600.
Simple example
1 section × 4014489600 = 4,014,489,600 in2
1 section = 4,014,489,600 square inches.
Real-world example
10 section × 4014489600 = 40,144,896,000 in2
10 sections = 40,144,896,000 square inches.
Conversion table
| Section (section) | Square inch (in2) |
|---|---|
| 1 section | 4,014,489,600 in2 |
| 5 section | 20,072,448,000 in2 |
| 10 section | 40,144,896,000 in2 |
| 25 section | 100,362,240,000 in2 |
| 50 section | 200,724,480,000 in2 |
| 100 section | 401,448,960,000 in2 |
Reverse conversion: Square inch to Section
1 in2 × 2.490977e-10 = 2.490977e-10 section
1 square inch = 2.490977e-10 sections.
sections = square inches × 2.490977e-10
For a page dedicated to this direction, see Square inch to Section.
Understanding the Section (section)
A US public land survey section is one square mile or 640 acres.
Understanding the Square inch (in2)
A square inch is the area of a one-inch square.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many square inches are in 1 section?
1 section equals 4,014,489,600 square inches, using the exact defined conversion factor rather than an estimate.
How do I convert section to square inch?
Multiply the section value by 4014489600. The converter above does this instantly to whatever precision you set.
How do I convert square inch back to section?
Use the reverse factor: 1 square inch equals 2.490977e-10 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 inch?
Square inch (in2) is a unit of area.
Is the section to square inch conversion exact?
Yes. Both section and square inch are defined by fixed standards rather than physical artifacts, so the factor of 4014489600 used above is exact to as many digits as you choose to display.