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hectare

American

[hek-tair] / ˈhɛk tɛər /

Or hektare

noun

a unit of surface, or land, measure equal to 100 ares, are, or 10,000 square meters: equivalent to 2.471 acres. ha

hectare British

/ ˈhɛktɑː /

noun

ha. one hundred ares. 1 hectare is equivalent to 10 000 square metres or 2.471 acres

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of hectare

From French, dating back to 1800–10; hect-, are ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Over 13 years, the site accumulated about 1,194 tonnes of carbon, which equals 10.1 tonnes of CO2 per hectare each year.

From Science Daily • Mar. 22, 2026

Forest nations are paid around $4 per hectare,

From The Wall Street Journal • Nov. 24, 2025

He works with families who keeps four hectares of açai plants in the forest "with a minimum number of species per hectare that must be monitored."

From BBC • Nov. 16, 2025

Ultimately, Brazil is seeking to create a $125 billion fund that would pay out a share of profits to developing countries for every hectare of forest they leave standing.

From Barron's • Nov. 10, 2025

Cereal crops have the virtues of being fast growing, high in carbohydrates, and yielding up to a ton of edible food per hectare cultivated.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023