Select a category
--
Conversion Formula:
Convert Square Meter to Acre (m² 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.
Square meter (m²) - SI unit of area
Square meter is the SI unit of area equal to the area of a square with sides of 1 meter. Used worldwide for measuring floor space, land parcels, and surface areas in science and engineering.
- Symbol: m²
- System: SI derived unit
- Exact relations: 1 m² = 10,000 cm² = 1,000,000 mm² = 1×10⁻⁴ ha
- Imperial/US equivalents: 1 m² ≈ 10.7639104 ft² ≈ 1.19599005 yd² ≈ 1550.0031 in²
- Typical examples: apartment room sizes, building floor plans, material coverage (paint, flooring), cross-sectional and surface areas in calculations
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