en.wikipedia.org/wiki/Hectare

The hectare is an SI accepted metric system unit of area equal to 100 ares ( 10,000 m2) and primarily used in the measurement of land as a metric replacement for the imperial acre. An acre is about 0.405 hectare and one hectare contains about 2.47 acres. ... still use the acre for everyday calculations, and convert to hectares only for ...

www.metric-conversions.org/area/hectares-to-acres.htm

Hectares to Acres (ha to ac) conversion calculator for Area conversions with additional tables and formulas.

www.metric-conversions.org/area/acres-to-hectares.htm

Acres to Hectares (ac to ha) conversion calculator for Area conversions with additional tables and formulas.

www.thecalculatorsite.com/conversions/area/hectares-to-acres.php

Convert from hectares to acres and acres to hectares with this handy conversion tool.

www.convertunits.com/from/hectare/to/acre

Quickly convert hectares into acres (hectare to acre) using the online calculator for metric conversions and more.

www.asknumbers.com/HectaresToAcresConversion.aspx

Hectares to acres area units conversion table and converter. ... To find out how many acres in hectares, multiply by the conversion factor or simply use the ...

www.metricamerica.com/convert%20hectares%20to%20acres.htm

convert hectares to acres pre-calculated tables and charts.

www.aqua-calc.com/convert/area/hectare-to-acre

Convert hectare to acre (ha to ac) and back. Area: A[ha]÷0.40468564224=A[ac]. A[ha]=A[ac]×0.40468564224. Definitions and calculation formulas.