Square Rod to Acre Converter
Convert Square Rod (rd²) to Acre (ac) instantly. 1 rd² = 0.00625 ac.
Area Converter
20 units available
1 rd² = 0.00625 ac
Formula:
ac = rd² × 0.00625With your value: 1 rd² = 0.00625 ac
How big is that?
Everyday references on a logarithmic scale, all expressed in square rod so you can sanity-check the result.
Other Square Rod to Acre conversions
Square Rod to Acre Conversion Table
| Square Rod (rd²) | Acre (ac) |
|---|---|
| 0.5 | 0.003125 |
| 1 | 0.00625 |
| 2 | 0.0125 |
| 5 | 0.03125 |
| 10 | 0.0625 |
| 15 | 0.09375 |
| 20 | 0.125 |
| 25 | 0.15625 |
| 50 | 0.3125 |
| 100 | 0.625 |
| 250 | 1.5625 |
| 500 | 3.125 |
| 1000 | 6.25 |
Acre to Square Rod Conversion Table
| Acre (ac) | Square Rod (rd²) |
|---|---|
| 0.5 | 80 |
| 1 | 160 |
| 2 | 320 |
| 5 | 800 |
| 10 | 1,600 |
| 15 | 2,400 |
| 20 | 3,200 |
| 25 | 4,000 |
| 50 | 8,000 |
| 100 | 16,000 |
| 250 | 40,000 |
| 500 | 80,000 |
| 1000 | 160,000 |
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.
Square Rod (rd²)
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
Acre (ac)
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 Square Rod to Acre
To convert from Square Rod (rd²) to Acre (ac), multiply the value by 0.00625.
Formula: ac = rd² × 0.00625
Reverse: rd² = ac × 160
Step-by-Step Example
- Start with your value in Square Rod. For example: 5 rd²
- Multiply by the conversion factor: 5 x 0.00625
- The result is: 0.03125 ac
About Square Rod
The square rod (rd²) is a unit of area. One square rod equals 25.29285264 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 Acre
The acre is a unit of land area equal to 43,560 square feet or about 4,047 square meters. It is used primarily in the US, UK, and former British colonies.
Fun Fact: An acre was originally defined as the amount of land a yoke of oxen could plow in one day.
Common uses: land measurement, agriculture, real estate.
Frequently Asked Questions
How many Acre are in 1 Square Rod?
There are exactly 0.00625 Acre in 1 Square Rod. This means the conversion factor from Square Rod to Acre is 0.00625.
What is the formula to convert Square Rod to Acre?
The formula to convert Square Rod to Acre is: ac = rd² × 0.00625. For example, to convert 10 Square Rod to Acre, you would multiply 10 by 0.00625.
What is a Square Rod?
The square rod (rd²) is a unit of area. One square rod equals 25.29285264 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 Acre?
The acre is a unit of land area equal to 43,560 square feet or about 4,047 square meters. It is used primarily in the US, UK, and former British colonies.
What are the common uses of Square Rod?
The Square Rod is commonly used in area calculations, engineering and science, education.
Related Area Conversions
Cite this page
UnitConvertLab. (2026). Square Rod to Acre converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/sqrod-to-acre