Math Definitions - Letter H

Hectare (ha)

Definition of Hectare (ha)

Definition of Hectare (ha)

A hectare is a metric unit of area. It is equal to \(10,000\) square metres.

One hectare is equal to \(100\) ares, and one are is equal to \(100 \text{ m}^2\).

Hectares are most often used to measure the area of land. A square with a side-length of 100 metres has an area of 1 hectare.

We use the symbol ha for hectares.

In case your grandparents are wondering, \(1 \text{ ha}\) is approximately \(2.47\) acres.


The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.


Year 1 to Year 12 students

Learning Objectives

Learn common math terms starting with letter H

Author: Subject Coach
Added on: 6th Feb 2018

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