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Hectares to Acres Converter

A quick two-way ha ⇄ ac converter: type in either box, choose how many decimals you want and copy the answer with one click.

HectaresFrom

AcresTo

Decimal places

Step-by-step calculation

How to use the Hectares to Acres Converter

Type a value in the Hectares box. The acres result appears instantly.
Going the other way? Type in the Acres box, or press the ⇄ swap button.
Set the precision with the decimal places menu.
Check the working in the step-by-step box, then press Copy result or click any row in the tables below.

Hectares to acres formula

ac = ha × 2.471053815

Take the value in hectares.
Multiply it by 2.471053815 (the number of acres in one hectare).

Example: 1 ha × 2.471053815 = 2.47105 ac.

Reverse formula (acres to hectares): ha = ac ÷ 2.471053815. Example: 12.3553 ac ÷ 2.471053815 = 5 ha.

Quick mental estimate: multiply by about 2.5. For exact answers use the converter above.

ha to ac conversion table (1–100)

Click any row to load it into the converter.

Hectares to acres

Hectares	Acres
1 ha	2.47 ac
2 ha	4.94 ac
3 ha	7.41 ac
4 ha	9.88 ac
5 ha	12.36 ac
6 ha	14.83 ac
7 ha	17.3 ac
8 ha	19.77 ac
9 ha	22.24 ac
10 ha	24.71 ac
11 ha	27.18 ac
12 ha	29.65 ac
13 ha	32.12 ac
14 ha	34.59 ac
15 ha	37.07 ac
16 ha	39.54 ac
17 ha	42.01 ac
18 ha	44.48 ac
19 ha	46.95 ac
20 ha	49.42 ac
21 ha	51.89 ac
22 ha	54.36 ac
23 ha	56.83 ac
24 ha	59.31 ac
25 ha	61.78 ac
26 ha	64.25 ac
27 ha	66.72 ac
28 ha	69.19 ac
29 ha	71.66 ac
30 ha	74.13 ac
31 ha	76.6 ac
32 ha	79.07 ac
33 ha	81.54 ac
34 ha	84.02 ac
35 ha	86.49 ac
36 ha	88.96 ac
37 ha	91.43 ac
38 ha	93.9 ac
39 ha	96.37 ac
40 ha	98.84 ac
41 ha	101.31 ac
42 ha	103.78 ac
43 ha	106.26 ac
44 ha	108.73 ac
45 ha	111.2 ac
46 ha	113.67 ac
47 ha	116.14 ac
48 ha	118.61 ac
49 ha	121.08 ac
50 ha	123.55 ac
51 ha	126.02 ac
52 ha	128.49 ac
53 ha	130.97 ac
54 ha	133.44 ac
55 ha	135.91 ac
56 ha	138.38 ac
57 ha	140.85 ac
58 ha	143.32 ac
59 ha	145.79 ac
60 ha	148.26 ac
61 ha	150.73 ac
62 ha	153.21 ac
63 ha	155.68 ac
64 ha	158.15 ac
65 ha	160.62 ac
66 ha	163.09 ac
67 ha	165.56 ac
68 ha	168.03 ac
69 ha	170.5 ac
70 ha	172.97 ac
71 ha	175.44 ac
72 ha	177.92 ac
73 ha	180.39 ac
74 ha	182.86 ac
75 ha	185.33 ac
76 ha	187.8 ac
77 ha	190.27 ac
78 ha	192.74 ac
79 ha	195.21 ac
80 ha	197.68 ac
81 ha	200.16 ac
82 ha	202.63 ac
83 ha	205.1 ac
84 ha	207.57 ac
85 ha	210.04 ac
86 ha	212.51 ac
87 ha	214.98 ac
88 ha	217.45 ac
89 ha	219.92 ac
90 ha	222.39 ac
91 ha	224.87 ac
92 ha	227.34 ac
93 ha	229.81 ac
94 ha	232.28 ac
95 ha	234.75 ac
96 ha	237.22 ac
97 ha	239.69 ac
98 ha	242.16 ac
99 ha	244.63 ac
100 ha	247.11 ac

Acres to hectares

Acres	Hectares
1 ac	0.4 ha
2 ac	0.81 ha
3 ac	1.21 ha
4 ac	1.62 ha
5 ac	2.02 ha
6 ac	2.43 ha
7 ac	2.83 ha
8 ac	3.24 ha
9 ac	3.64 ha
10 ac	4.05 ha
11 ac	4.45 ha
12 ac	4.86 ha
13 ac	5.26 ha
14 ac	5.67 ha
15 ac	6.07 ha
16 ac	6.47 ha
17 ac	6.88 ha
18 ac	7.28 ha
19 ac	7.69 ha
20 ac	8.09 ha
21 ac	8.5 ha
22 ac	8.9 ha
23 ac	9.31 ha
24 ac	9.71 ha
25 ac	10.12 ha
26 ac	10.52 ha
27 ac	10.93 ha
28 ac	11.33 ha
29 ac	11.74 ha
30 ac	12.14 ha
31 ac	12.55 ha
32 ac	12.95 ha
33 ac	13.35 ha
34 ac	13.76 ha
35 ac	14.16 ha
36 ac	14.57 ha
37 ac	14.97 ha
38 ac	15.38 ha
39 ac	15.78 ha
40 ac	16.19 ha
41 ac	16.59 ha
42 ac	17 ha
43 ac	17.4 ha
44 ac	17.81 ha
45 ac	18.21 ha
46 ac	18.62 ha
47 ac	19.02 ha
48 ac	19.42 ha
49 ac	19.83 ha
50 ac	20.23 ha
51 ac	20.64 ha
52 ac	21.04 ha
53 ac	21.45 ha
54 ac	21.85 ha
55 ac	22.26 ha
56 ac	22.66 ha
57 ac	23.07 ha
58 ac	23.47 ha
59 ac	23.88 ha
60 ac	24.28 ha
61 ac	24.69 ha
62 ac	25.09 ha
63 ac	25.5 ha
64 ac	25.9 ha
65 ac	26.3 ha
66 ac	26.71 ha
67 ac	27.11 ha
68 ac	27.52 ha
69 ac	27.92 ha
70 ac	28.33 ha
71 ac	28.73 ha
72 ac	29.14 ha
73 ac	29.54 ha
74 ac	29.95 ha
75 ac	30.35 ha
76 ac	30.76 ha
77 ac	31.16 ha
78 ac	31.57 ha
79 ac	31.97 ha
80 ac	32.37 ha
81 ac	32.78 ha
82 ac	33.18 ha
83 ac	33.59 ha
84 ac	33.99 ha
85 ac	34.4 ha
86 ac	34.8 ha
87 ac	35.21 ha
88 ac	35.61 ha
89 ac	36.02 ha
90 ac	36.42 ha
91 ac	36.83 ha
92 ac	37.23 ha
93 ac	37.64 ha
94 ac	38.04 ha
95 ac	38.45 ha
96 ac	38.85 ha
97 ac	39.25 ha
98 ac	39.66 ha
99 ac	40.06 ha
100 ac	40.47 ha

Common values

Hectares	Acres	Example
0.1 ha	0.25 ac	1,000 m²
0.5 ha	1.24 ac	Half hectare
1 ha	2.47 ac	1 hectare
2 ha	4.94 ac	2 ha
5 ha	12.36 ac	5 ha
10 ha	24.71 ac	10 ha
50 ha	123.55 ac	50 ha
100 ha	247.11 ac	1 km²

About hectares and acres

Hectares (ha). The hectare is a metric land unit equal to 10,000 square meters, a square 100 m by 100 m.

Acres (ac). The acre is a land area unit equal to 43,560 square feet (about 4,046.86 m²). Historically it was the area a team of oxen could plough in a day.

Frequently asked questions

1 hectare equals how many acres?

One hectare equals 2.47105 acres.

How do you convert hectares to acres?

Multiply the number of hectares by 2.471053815. For example, 1 ha × 2.471053815 = 2.47105 ac.

What is 5 hectares in acres?

5 ha is 12.3553 ac.

How much is 50 hectares in acres?

50 hectares equals 123.553 acres.

How do I convert acres back to hectares?

Divide by 2.471053815, or press the ⇄ swap button above. For example, 12.3553 ac ÷ 2.471053815 = 5 ha.

How big is an acre compared with a hectare?

One acre is 43,560 square feet (4,046.86 m²), while one hectare is 10,000 m². A hectare is about 2.47 acres, and an acre is about 0.405 hectares.

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