Convert hectares to acres, both ways.
Type a land area in hectares and read the exact acres, or type acres to convert back. The result updates live, with square meters, square feet and square kilometer context and a one-click copy.
Your land area
Edit either box. The formula is acres = hectares times 2.47105, and hectares = acres divided by 2.47105.
24.7105 acWhat this means
Common parcels in acres
acres Each bar shows the acre equivalent of a common hectare parcel, from a 1-hectare field to a 259-hectare square mile. Every height is the hectare area multiplied by 2.47105.
Land milestones
Common hectares to acres values
| Hectares | Acres | Acres (rounded) | Where you see it |
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How the conversion works
Conversion Factor
1 hectare equals 2.471 acres. 1 ha = 10,000 m² (a square 100 m on a side). Multiply ha by 2.471 to get acres.
International Land Sizing
European, Australian, and most Asian farm sizes are listed in hectares. US buyers need to convert to acres for familiar comparison. 1 ha is about 2.5 US acres or 2.5 football fields.
Reference Values
1 ha = 2.47 acres. 5 ha = 12.36 ac. 100 ha = 247.11 ac. 1000 ha = 2471 ac (about 3.86 sq mi).
Common questions
10 hectares in acres?
10 ha = 24.71 acres.
How big is a square kilometer in hectares?
1 km² = 100 hectares = 247.11 acres.
How many hectares in a square mile?
1 sq mi = 259 hectares = 640 acres.
All conversion runs in your browser. Nothing is uploaded. 1 hectare is exactly 10,000 square meters by definition, and 1 acre is exactly 4,046.8564224 square meters (43,560 square feet with the foot defined as 0.3048 m), so 1 ha = 2.47105 acres and these results are precise, not approximate.