AgriConverter category
Area converters and tables
Convert U.S. and metric land-area units with exact NIST-based constants: acres, hectares and square feet, plus a saved-value reference table.
Acres to hectares converter
Convert U.S. acreage to metric hectares with the exact factor.
Area toolHectares to acres converter
Convert metric field area to acres (1 ha ≈ 2.471054 acres).
Area toolSquare feet to acres converter
Convert lots, lawns and plots with the exact 43,560 formula.
Reference tableAcre to square feet table
Common acre and square-foot values for land measurement.
About these tools
All area conversions on AgriConverter use the exact international definitions: one acre is 43,560 square feet and one international foot is 0.3048 meters, which makes one acre exactly 0.40468564224 hectares. The converters and tables in this section apply those constants without rounding shortcuts.