Convert Acres to Roods
Convert Acres (ac) to Roods (ro) instantly and accurately.
Conversion Formula
ro = ac × 4
About Acres
An acre is a traditional unit of land area used primarily in the United States, United Kingdom, and countries with British heritage. One acre equals 43,560 ft² or about 4,047 m². Historically based on the area a yoke of oxen could plow in one day, it remains the standard for measuring agricultural land, residential plots, and rural properties. A football field (without end zones) is roughly 1.32 acres, and most suburban house lots range from 0.25 to 1 acre.
About Roods
A rood (ro) is a traditional English unit of land area equal to one quarter of an acre, or 40 square rods, approximately 1,011.71 m². Originating in medieval England, the rood was used alongside the acre and the perch for describing land ownership. The name shares its root with 'rod,' the linear unit used to measure it. While largely obsolete in modern use, roods still appear in old English legal documents, historical land surveys, and certain rural property records in England and Wales.
Quick Reference Table
| Acres (ac) | Roods (ro) |
|---|---|
| 1 ac | 4 ro |
| 2 ac | 8 ro |
| 5 ac | 20 ro |
| 10 ac | 40 ro |
| 25 ac | 100 ro |
| 50 ac | 200 ro |
| 100 ac | 400 ro |