A US public land survey section is one square mile or 640 acres.
Sections to Roods Converter — section to rood
Convert Section (section) to Rood (rood) using the exact conversion factor (1 section = 2,560 rood). See the formula, worked examples, and conversion table.
Sections to Roods 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 rood is one quarter of an acre.
Result = input x 2.58998811e+6 / 1011.714106.
Area uses the square meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Sections to Roods
Comparing Section and Rood 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 rood is one quarter of an acre.
Formula
roods = sections × 2560
This factor comes from each unit's defined relationship to the category's base unit: 1 section equals 2589988.11034 base units, and 1 rood equals 1011.7141056 base units, so dividing one by the other gives the direct section-to-rood factor of 2560.
Simple example
1 section × 2560 = 2,560 rood
1 section = 2,560 roods.
Real-world example
10 section × 2560 = 25,600 rood
10 sections = 25,600 roods.
Conversion table
| Section (section) | Rood (rood) |
|---|---|
| 1 section | 2,560 rood |
| 5 section | 12,800 rood |
| 10 section | 25,600 rood |
| 25 section | 64,000 rood |
| 50 section | 128,000 rood |
| 100 section | 256,000 rood |
Reverse conversion: Rood to Section
1 rood × 0.000390625 = 0.000390625 section
1 rood = 0.000390625 sections.
sections = roods × 0.000390625
For a page dedicated to this direction, see Rood to Section.
Understanding the Section (section)
A US public land survey section is one square mile or 640 acres.
Understanding the Rood (rood)
A rood is one quarter of an acre.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many roods are in 1 section?
1 section equals 2,560 roods, using the exact defined conversion factor rather than an estimate.
How do I convert section to rood?
Multiply the section value by 2560. The converter above does this instantly to whatever precision you set.
How do I convert rood back to section?
Use the reverse factor: 1 rood equals 0.000390625 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 rood?
Rood (rood) is a unit of area.
Is the section to rood conversion exact?
Yes. Both section and rood are defined by fixed standards rather than physical artifacts, so the factor of 2560 used above is exact to as many digits as you choose to display.