Acres and Hectares: Conversion Reference

1 hectare = 2.47105 acres. 1 acre = 0.404686 hectares. 1 hectare = 10,000 m² exactly. Convert in either direction.

Updated April 2026

Acres

Square Feet

Formula

acres × 0.404686 = hectares
hectares × 2.47105 = acres
1 ha = 10,000 m²
1 ha = 2.471 acres

Full Reference Table

Acres	Hectares	m²	Sq ft
0.1	0.0405	405	4,356
0.25	0.1012	1,012	10,890
0.5	0.2023	2,023	21,780
1	0.4047	4,047	43,560
2	0.8094	8,094	87,120
5	2.0234	20,234	217,800
10	4.0469	40,469	435,600
20	8.0937	80,937	871,200
40	16.1874	161,874	1,742,400
100	40.4686	404,686	4,356,000
160	64.7497	647,497	6,969,600
640	258.9988	2,589,988	27,878,400
1000	404.6856	4,046,856	43,560,000

Hectares	Acres	m²	Context
0.1	0.247	1,000	Small urban plot
0.25	0.618	2,500	Small residential parcel
0.5	1.236	5,000	Half-hectare - common in UK land listings
1	2.471	10,000	1 ha = 10,000 m2 = 2.471 acres
2	4.942	20,000	Small European farm field
5	12.355	50,000	Small hobby farm
10	24.711	100,000	10 ha = 24.7 acres
100	247.105	1,000,000	Typical medium EU farm
259	640.003	2,590,000	1 square mile (640 acres)
1000	2471.054	10,000,000	Large station (Australia/NZ)

Acres

Acres dominate Anglophone real estate transactions.

Hectares

Hectares are the global scientific standard for large land areas.

Central Park, NYC

341 ha843 acres

Hyde Park, London

142 ha351 acres

One hectare

1 haroughly 2 football fields

One square km

100 ha247.1 acres