Select a category
Conversion Formula:
Convert Are to Acre (a to ac) 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.
Are (a) - metric area unit
Are is a metric unit of area equal to 100 square meters. Used for measuring small land parcels, gardens, and property listings; closely related to the hectare (100 ares).
- Symbol: a
- System: Metric (non-SI, accepted for use with SI)
- Exact relations: 1 a = 100 m²; 1 ha = 100 a; 1 km² = 10,000 a
- Imperial/US equivalents: 1 a ≈ 1076.39104 ft² ≈ 119.599005 yd² ≈ 0.0247105381 acres
- Typical examples: garden plots ~1–5 a; small property subdivisions; cadastral records in parts of Europe
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