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Convert Acre to Hectare (ac to ha) instantly with accurate, readable results.
Convert between square meters, acres, square feet, hectares, and other common units with our Area Unit Converter. This intuitive unit conversion tool helps you calculate land size, floor space, and surface area across both metric and imperial systems. Whether you're working on real estate, construction, or geography tasks, our area unit conversion calculator ensures precise and instant results.
Acre (ac) - Imperial/US land area
Acre is a traditional unit of area used for land measurement in the UK, US, and other countries. Used in real estate, agriculture, and land records; metrically it converts exactly because the foot is defined in meters.
- Symbol: ac
- System: Imperial/US customary (non-SI, accepted for use with SI
- Exact relations: 1 acre = 43,560 ft² = 4,840 yd² = 160 square rods (perches/poles) = 10 square chains
- Metric equivalents (exact): 1 acre = 4046.8564224 m² ≈ 0.40468564224 ha
- Typical examples: suburban lots (fractions of an acre); farm fields of tens to hundreds of acres; sports complexes measured in multiple acres
Hectare (ha) - metric land area
Hectare is a metric unit of area commonly used for land measurement, equal to a square 100 meters on a side. Used in agriculture, forestry, and land records.
- Symbol: ha
- System: Metric (non-SI, accepted for use with SI)
- Exact relations: 1 ha = 10,000 m² = 100 a (are) = 0.01 km²
- Imperial/US equivalents: 1 ha ≈ 2.47105381 acres ≈ 0.00386102159 mi²
- Typical examples: farm fields, forest stands, park areas, cadastral documents