Area Calculator

How big is 1 Acres? What is 1 Acres in Hectares? This area calculator will allow you to easily convert 1 ac to ha.

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1 Acres = 0.404686 Hectares

1 Acres is equal to 0.404686 Hectares

Acres

(Abbreviations: ac)

An acre is a unit of area commonly used in the United States, United Kingdom, and other countries for measuring land. It is equivalent to 43,560 square feet, or about 4,047 square meters. Historically, an acre was defined as the area of land a yoke of oxen could plow in a single day.One acre is approximately 0.405 hectares or 1/640 of a square mile.

Hectares

(Abbreviations: ha)

A hectare (ha) is a unit of area used primarily for measuring land. It is equal to 10,000 square meters (100 meters by 100 meters). The hectare is a non-SI metric unit but is widely used in agriculture, forestry, and real estate.

Acres to Hectares Conversions

Acres	Hectares
1	0.404686
2	0.809372
3	1.214058
4	1.618744
5	2.02343
6	2.428116
7	2.832802
8	3.237488
9	3.642174
10	4.04686
11	4.451546
12	4.856232
13	5.260918
14	5.665604
15	6.07029
16	6.474976
17	6.879662
18	7.284348
19	7.689034
20	8.09372
21	8.498406
22	8.903092
23	9.307778
24	9.712464
25	10.11715
26	10.521836
27	10.926522
28	11.331208
29	11.735894
30	12.14058

Acres	Hectares
31	12.545266
32	12.949952
33	13.354638
34	13.759324
35	14.16401
36	14.568696
37	14.973382
38	15.378068
39	15.782754
40	16.18744
41	16.592126
42	16.996812
43	17.401498
44	17.806184
45	18.21087
46	18.615556
47	19.020242
48	19.424928
49	19.829614
50	20.2343
51	20.638986
52	21.043672
53	21.448358
54	21.853044
55	22.25773
56	22.662416
57	23.067102
58	23.471788
59	23.876474
60	24.28116

Most Frequently Used Area Unit Conversions:

Metric:

Square Meters (m²) to Square Centimeters (cm²)
Square Meters (m²) to Square Millimeters (mm²)
Square Kilometers (km²) to Hectares (ha)
Hectares (ha) to Square Meters (m²)
Square Meters (m²) to Square Decimeters (dm²)

Imperial/US Customary:

Square Feet (ft²) to Square Inches (in²)
Square Yards (yd²) to Square Feet (ft²)
Acres (ac) to Square Feet (ft²)
Acres (ac) to Square Yards (yd²)
Square Miles (mi²) to Acres (ac)

Common Metric-Imperial Conversions:

Square Meters (m²) to Square Feet (ft²)
Square Feet (ft²) to Square Meters (m²)
Acres (ac) to Hectares (ha)
Hectares (ha) to Acres (ac)

Less Common but Useful:

Square Miles (mi²) to Square Kilometers (km²)
Square Kilometers (km²) to Square Miles (mi²)
Square Yards (yd²) to Square Meters (m²)