Definition:Imperial/Area/Rood

Definition

The rood is an imperial unit of area.

One rood is equal to an oblong measuring $1$ chain by $2 \frac 1 2$ chains.

\(\ds \)

\(\)

\(\ds 1\)

rood

\(\ds \)

\(=\)

\(\ds 2 \tfrac 1 2\)

square chains

\(\ds \)

\(=\)

\(\ds 40\)

\(\ds = 4 \times 10\)

square rods, poles or perches

\(\ds \)

\(=\)

\(\ds 1210\)

\(\ds = 22 \times 55\)

square yards

\(\ds \)

\(=\)

\(\ds 10 \, 890\)

\(\ds = 66 \times 165\)

square feet

Sources

• 1944: Alfred E. Holbrow: Geometrical Drawing (12th ed.) ... (previous) ... (next): Section $\text I$. Introduction