Acres to hectares converter
Provide a area below to convert acres (ac) to hectares (ha). For the reverse direction, visit the hectares to acres converter.
1 acre equals approximately 0.404686 hectares. This conversion is based on the international acre definition.
To convert acres to hectares, multiply the measurement in acres by 0.404686. To convert hectares to acres, divide the value in hectares by 0.404686.
Acres
Definition: An acre (symbol: ac) is a unit of area in imperial and US customary systems, equal to 43,560 square feet or approximately 4,047 square meters.
History: The acre originated in medieval England as the amount of land a yoke of oxen could plow in one day. It was standardized in 1959 as part of the international yard and pound agreement.
Current use: Acres are widely used in the United States, United Kingdom, and other countries using imperial measurements for measuring land area, particularly in agriculture and real estate.
Hectares
Definition: A hectare (symbol: ha) is a metric unit of area equal to 10,000 square meters or 2.471 acres.
History: The hectare was introduced as part of the metric system and became widely adopted for measuring land area. It represents a square with 100-meter sides.
Current use: Hectares are used worldwide as the standard unit for measuring land area in agriculture, forestry, and land use planning in most countries outside the United States.
| Acres [ac] | Hectares [ha] |
|---|---|
| 0.25 ac | 0.101171 ha |
| 0.5 ac | 0.202343 ha |
| 1 ac | 0.404686 ha |
| 2 ac | 0.809372 ha |
| 5 ac | 2.02343 ha |
| 10 ac | 4.04686 ha |
| 25 ac | 10.11715 ha |
| 50 ac | 20.2343 ha |
| 100 ac | 40.4686 ha |
| 1000 ac | 404.686 ha |