About this tool
Convert between square metric units, square customary units, and land-area units like acres and hectares.
Formula
value_to = value_from × (factor_from ÷ factor_to), with factors expressed in square meters.
Worked example
1 acre × (4046.8564224 ÷ 10000) ≈ 0.4047 ha
Notes
1 hectare = 10,000 m² = 2.4710538 acres exactly (using the survey foot/acre relationship).