Rood to Square Mile Converter
Convert Rood (rood) to Square Mile (mi²) instantly. 1 rood = 0.000391 mi².
Area Converter
20 units available
1 rood = 0.000391 mi²
Formula:
mi² = rood × 0.000390625With your value: 1 rood = 0.00039063 mi²
How big is that?
Everyday references on a logarithmic scale, all expressed in rood so you can sanity-check the result.
Other Rood to Square Mile conversions
Rood to Square Mile Conversion Table
| Rood (rood) | Square Mile (mi²) |
|---|---|
| 0.5 | 0.000195 |
| 1 | 0.000391 |
| 2 | 0.000781 |
| 5 | 0.001953 |
| 10 | 0.003906 |
| 15 | 0.005859 |
| 20 | 0.007813 |
| 25 | 0.009766 |
| 50 | 0.019531 |
| 100 | 0.039063 |
| 250 | 0.097656 |
| 500 | 0.195313 |
| 1000 | 0.390625 |
Square Mile to Rood Conversion Table
| Square Mile (mi²) | Rood (rood) |
|---|---|
| 0.5 | 1,280 |
| 1 | 2,560 |
| 2 | 5,120 |
| 5 | 12,800 |
| 10 | 25,600 |
| 15 | 38,400 |
| 20 | 51,200 |
| 25 | 64,000 |
| 50 | 128,000 |
| 100 | 256,000 |
| 250 | 640,000 |
| 500 | 1,280,000 |
| 1000 | 2,560,000 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Rood (rood)
Area
Derived from the square metre via the length definitions above.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Square Mile (mi²)
Area
Derived from the square metre via the length definitions above.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Rood to Square Mile
To convert from Rood (rood) to Square Mile (mi²), multiply the value by 0.000390625.
Formula: mi² = rood × 0.000390625
Reverse: rood = mi² × 2,560
Step-by-Step Example
- Start with your value in Rood. For example: 5 rood
- Multiply by the conversion factor: 5 x 0.000390625
- The result is: 0.001953 mi²
About Rood
The rood (rood) is a unit of area. One rood equals 1011.714106 square metres. UnitConvertLab converts it against every other area unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: area calculations, engineering and science, education.
About Square Mile
The square mile equals 640 acres or about 2.59 square kilometres, and is the standard unit for US county, city and land-survey areas.
Common uses: census areas, land surveys, geography.
Frequently Asked Questions
How many Square Mile are in 1 Rood?
There are exactly 0.000390625 Square Mile in 1 Rood. This means the conversion factor from Rood to Square Mile is 0.000390625.
What is the formula to convert Rood to Square Mile?
The formula to convert Rood to Square Mile is: mi² = rood × 0.000390625. For example, to convert 10 Rood to Square Mile, you would multiply 10 by 0.000390625.
What is a Rood?
The rood (rood) is a unit of area. One rood equals 1011.714106 square metres. UnitConvertLab converts it against every other area unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Square Mile?
The square mile equals 640 acres or about 2.59 square kilometres, and is the standard unit for US county, city and land-survey areas.
What are the common uses of Rood?
The Rood is commonly used in area calculations, engineering and science, education.
Related Area Conversions
Cite this page
UnitConvertLab. (2026). Rood to Square Mile converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/rood-to-sqmile