Definition:Hectare

Definition

The hectare is a derived unit of area.

One hectare is equal to a square whose side measures $100$ metres.

Conversion Factors

\(\ds \)

\(\)

\(\ds 1\)

hectare

\(\ds \)

\(=\)

\(\ds 100\)

ares

\(\ds \)

\(=\)

\(\ds 10 \, 000\)

square metres

\(\ds \)

\(\approx\)

\(\ds 2 \cdotp 47\)

acres

Linguistic Note

The prefixes hecto- and hect- are from the Classical Greek ἑκατόν (hekatón), meaning hundred.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): hectare
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): hectare
• 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): hectare