Acres to Hectares Converter
Convert land area between Acres and Hectares (ha) instantly. Enter a value in either field below and the converter will update automatically — no need to press a button.
What is an Acre?
An acre is a unit of land area used mainly in the United States and the United Kingdom, commonly for measuring farms, real estate, and large properties. Historically, it was defined as the amount of land a pair of oxen could plow in one day.
What is a Hectare?
A hectare is a metric unit of land area, equal to 10,000 square meters. It is the standard unit used across most of the world for measuring farmland, forests, and large parcels of land.
Acres to Hectares Formula
To convert Acres to Hectares, multiply the acre value by 0.404686:
To convert Hectares back to Acres, divide by the same factor:
Common Uses
- Buying, selling, or comparing farmland and real estate
- Agricultural planning and crop yield calculations
- Forestry and land management
- Comparing property listings between US and international markets
- Urban planning and zoning measurements
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Frequently Asked Questions
How many hectares is 1 acre?
1 acre equals approximately 0.4047 hectares.
How many acres is a hectare?
1 hectare equals approximately 2.47 acres.
Why isn’t the acre to hectare conversion a round number?
Acres and hectares come from two different measurement systems (imperial and metric) that were standardized independently, so the conversion factor between them is not a whole number.