UnitCon

Hectares to Acres Converter

Convert hectares to acres for international farmland listings, national park sizes, and environmental reports. Hectares are the metric standard for large land areas, while acres dominate in US and UK land contexts.

Formula

Multiply hectares by 2.47105 to get acres. To reverse, divide acres by 2.47105 to get hectares.

Quick reference

Hectare (ha)Acre (ac)
12.471054
24.942108
512.35527
1024.71054
2049.42108
50123.5527
100247.1054
200494.2108
5001,235.527
10002,471.054

About these units

Hectare

The hectare (100m × 100m = 10,000 m²) was introduced with the metric system and is formally recognized as a non-SI unit acceptable for use with SI. It is the preferred unit for agricultural land area worldwide in metric countries.

Acre

The acre was the dominant agricultural land unit in England and its colonies. Though not part of the SI system, it remains widely used in the US and UK for real estate, farming, and national park measurements.

← All Area conversions

Frequently asked questions

One hectare ≈ 2.471 acres.

100 × 2.47105 ≈ 247.1 acres — roughly a square kilometer of farmland.

Yes. One hectare equals approximately 2.47 acres.