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EXPRESSION
hectare = acre × 0.404686
acre = hectare × 2.47105
DESCRIPTION

Land-scale area conversion between US/UK and metric units.

VARIABLES
SymbolMeaning
acre43,560 ft²
hectare10,000 m²
WORKED EXAMPLE
5 acres × 0.404686 = 2.023 hectares
2.023 hectares × 2.47105 = 4.999 acres
NOTES

Used automatically when Area Unit is set to acre or hectare on the Project Info tab.

ZERO HIDDEN MATH

This formula is used by ConstrCalc® exactly as shown. There are no adjustments, no regional multipliers, and no AI-based predictions. Your inputs determine every output.

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