Convert Section to Square Foot
Convert sections to square feet instantly. 1 section = 2.78784e+7 square foot — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Square Foot to Section converter for the reverse conversion.
Units explained
Section
A section is a unit of area used in the US Public Land Survey System, equal to 1 square mile (640 acres or approximately 2.59 km²).
Defined by the Land Ordinance of 1785 as 1/36 of a township. Sections are numbered 1-36 within each township.
Sections are the fundamental unit of US public land records in PLSS states (essentially the central and western US). Property descriptions like 'NE quarter of section 14, township 3 north, range 2 east' use this system.
Defined by the US Land Ordinance of 1785.
Square Foot
A square foot is an imperial unit of area equal to exactly 0.09290304 m². It is the dominant unit for real estate area measurement in the United States and is widely used in India for residential property listings.
Derived by squaring the foot. The foot was standardized to exactly 0.3048 m via the 1959 International Yard and Pound Agreement.
Square feet are the standard unit for US real estate floor area, HVAC capacity ratings (BTU per ft²), commercial leasing, and construction. In India, square feet is the dominant unit for residential property advertisements alongside traditional regional units.
Foot dates to ancient civilizations; modern exact value standardized in 1959.
Section to Square Foot conversion formula
The relationship between sections and square feet:
To convert sections to square feet, multiply the value in sections by 2.78784e+7. To reverse, multiply square feet by 3.587006e-8.
How to use this converter
Type a value into the calculator. The result in square feet updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Square Foot to Section converter for the reverse direction.
Step-by-step: convert sections to square feet
- Write down the value in sections (sec).
- Multiply that value by the factor 2.78784e+7.
- The product is the equivalent value in square feet (ft²).
- To reverse, multiply the square foot value by 3.587006e-8.
Worked examples
Example 1 — Convert 1 sec to ft²:
1 × 2.78784e+7 = 2.78784e+7 ft²
Example 2 — Convert 100 sec to ft²:
100 × 2.78784e+7 = 2.78784e+9 ft²
Section to Square Foot conversion table
Standard reference values for converting sections to square feet:
| Section [sec] | Square Foot [ft²] |
|---|---|
| 0.01 | 278784 |
| 0.1 | 2787840 |
| 1 | 2.78784e+7 |
| 2 | 5.57568e+7 |
| 3 | 8.36352e+7 |
| 4 | 1.115136e+8 |
| 5 | 1.39392e+8 |
| 10 | 2.78784e+8 |
| 20 | 5.57568e+8 |
| 30 | 8.36352e+8 |
| 40 | 1.115136e+9 |
| 50 | 1.39392e+9 |
| 100 | 2.78784e+9 |
| 500 | 1.39392e+10 |
| 1000 | 2.78784e+10 |
Frequently asked questions
How many square feet is 1 section?
How do I convert sections to square feet?
How do I convert square feet back to sections?
How many square feet is 100 sections?
Popular area unit conversions
Convert Section to other area units
Show all Section conversions
Metric / SI (5 units)
Imperial / US Customary (3 units)
Sources & references
Conversion factor (1 sec = 2.78784e+7 ft²) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.