Maths Dictionary

ha (hectare)

The letters ha are the abbreviation for hectare, a unit of area used to measure large pieces of land.

• 1 hectare (1 ha) = 10,000 square metres (100 m × 100 m).
• 1 ha is about the size of two football fields.
• Hectares are often used in farming, forestry, and geography to describe the size of fields, parks, or forests.

Key Idea: Use ha when talking about very big areas of land.