Acres to Hectares Converter
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Convert acres to hectares (and back) instantly. 1 ac = 0.40468564224 ha — useful for land, farms, and real estate abroad. One hectare equals 2.471 acres for quick mental comparisons. Always convert before comparing $/acre to €/hectare listings.
Acres
ac
Hectares
ha
1 ac = 0.404686 ha
Convert Acres
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Hectares
4.0469 ha
10 ac = 4.0469 ha
- 0.25 ac
- 0.101171 ha
- 1 ac
- 0.404686 ha
- 5 ac
- 2.0234 ha
- 10 ac
- 4.0469 ha
- 40 ac
- 16.1874 ha
- 100 ac
- 40.4686 ha
- 1,000 ac
- 404.69 ha
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Acres vs hectares
Acres are the common land-area unit in the US and UK for farms, lots, and rural listings. Hectares are the metric unit used in most other countries for agriculture, parks, and forestry (1 hectare = 10,000 m²). One acre equals 0.40468564224 hectares, or exactly 43,560 square feet.
Worked example: a 40-acre field is 40 × 0.40468564224 ≈ 16.19 hectares. Going the other way, one hectare is about 2.47 acres — so a European “10 ha” parcel is roughly 24.7 acres of ground, even though the hectare number looks smaller.
Caveat: comparing price “per acre” to price “per hectare” without converting will badly mislead you. US deeds rarely use hectares; international listings rarely use acres. Convert area first, then compare value per unit of land.
Round-trip sanity check: 10 ac × 0.40468564224 = 4.0469 ha; divide by 0.40468564224 to recover 10 ac. Comparing $/acre to $/hectare without converting makes European land look artificially cheap by number alone.
Common questions
How big is a 40-acre field in hectares?
40 acres is about 16.19 hectares. Farmers comparing US listings to European parcels should convert area before judging value per unit — hectares look “smaller” numerically but cover the same ground. Round-trip: 16.19 ha ÷ 0.40468564224 ≈ 40 ac.
Is a hectare roughly two football fields?
A hectare (10,000 m²) is close to 1.76 acres — about one international soccer pitch in area, or roughly two American football fields including end zones, depending on which field standard you use. Round-trip: 1 ha = 2.47105 ac.
Do property tax records use acres or square feet?
US county records often list both lot size in square feet and acreage for larger parcels. 1 acre = 43,560 sq ft exactly. Hectares are rarely used on US deeds but appear in international listings. Round-trip: 43,560 sq ft ÷ 43,560 = 1 ac.
How is acre related to a mile?
Historically, one acre was defined as a strip of land one furlong long and one chain wide. Today it is fixed at 4,046.8564224 square meters — independent of how you measure the perimeter. Round-trip: 1 ac = 43,560 sq ft exactly.