Home › Unit Converters › Acres to Hectares Converter

Acres to Hectares Converter

Convert acres to hectares in one step. Results update live in both directions, with a worked formula, nearby units and a 1–100 chart you can click.

AcresFrom

HectaresTo

Decimal places

Step-by-step calculation

How to use the Acres to Hectares Converter

Type a value in the Acres box. The hectares result appears instantly.
Going the other way? Type in the Hectares 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.

Acres to hectares formula

ha = ac ÷ 2.471053815

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

Example: 1 ac ÷ 2.471053815 = 0.404686 ha.

Reverse formula (hectares to acres): ac = ha × 2.471053815. Example: 2.02343 ha × 2.471053815 = 5 ac.

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

ac to ha conversion table (1–100)

Click any row to load it into the converter.

Acres to hectares

Acres	Hectares
1 ac	0.405 ha
2 ac	0.809 ha
3 ac	1.214 ha
4 ac	1.619 ha
5 ac	2.023 ha
6 ac	2.428 ha
7 ac	2.833 ha
8 ac	3.237 ha
9 ac	3.642 ha
10 ac	4.047 ha
11 ac	4.452 ha
12 ac	4.856 ha
13 ac	5.261 ha
14 ac	5.666 ha
15 ac	6.07 ha
16 ac	6.475 ha
17 ac	6.88 ha
18 ac	7.284 ha
19 ac	7.689 ha
20 ac	8.094 ha
21 ac	8.498 ha
22 ac	8.903 ha
23 ac	9.308 ha
24 ac	9.712 ha
25 ac	10.117 ha
26 ac	10.522 ha
27 ac	10.927 ha
28 ac	11.331 ha
29 ac	11.736 ha
30 ac	12.141 ha
31 ac	12.545 ha
32 ac	12.95 ha
33 ac	13.355 ha
34 ac	13.759 ha
35 ac	14.164 ha
36 ac	14.569 ha
37 ac	14.973 ha
38 ac	15.378 ha
39 ac	15.783 ha
40 ac	16.187 ha
41 ac	16.592 ha
42 ac	16.997 ha
43 ac	17.401 ha
44 ac	17.806 ha
45 ac	18.211 ha
46 ac	18.616 ha
47 ac	19.02 ha
48 ac	19.425 ha
49 ac	19.83 ha
50 ac	20.234 ha
51 ac	20.639 ha
52 ac	21.044 ha
53 ac	21.448 ha
54 ac	21.853 ha
55 ac	22.258 ha
56 ac	22.662 ha
57 ac	23.067 ha
58 ac	23.472 ha
59 ac	23.876 ha
60 ac	24.281 ha
61 ac	24.686 ha
62 ac	25.091 ha
63 ac	25.495 ha
64 ac	25.9 ha
65 ac	26.305 ha
66 ac	26.709 ha
67 ac	27.114 ha
68 ac	27.519 ha
69 ac	27.923 ha
70 ac	28.328 ha
71 ac	28.733 ha
72 ac	29.137 ha
73 ac	29.542 ha
74 ac	29.947 ha
75 ac	30.351 ha
76 ac	30.756 ha
77 ac	31.161 ha
78 ac	31.565 ha
79 ac	31.97 ha
80 ac	32.375 ha
81 ac	32.78 ha
82 ac	33.184 ha
83 ac	33.589 ha
84 ac	33.994 ha
85 ac	34.398 ha
86 ac	34.803 ha
87 ac	35.208 ha
88 ac	35.612 ha
89 ac	36.017 ha
90 ac	36.422 ha
91 ac	36.826 ha
92 ac	37.231 ha
93 ac	37.636 ha
94 ac	38.04 ha
95 ac	38.445 ha
96 ac	38.85 ha
97 ac	39.255 ha
98 ac	39.659 ha
99 ac	40.064 ha
100 ac	40.469 ha

Hectares to acres

Hectares	Acres
1 ha	2.471 ac
2 ha	4.942 ac
3 ha	7.413 ac
4 ha	9.884 ac
5 ha	12.355 ac
6 ha	14.826 ac
7 ha	17.297 ac
8 ha	19.768 ac
9 ha	22.239 ac
10 ha	24.711 ac
11 ha	27.182 ac
12 ha	29.653 ac
13 ha	32.124 ac
14 ha	34.595 ac
15 ha	37.066 ac
16 ha	39.537 ac
17 ha	42.008 ac
18 ha	44.479 ac
19 ha	46.95 ac
20 ha	49.421 ac
21 ha	51.892 ac
22 ha	54.363 ac
23 ha	56.834 ac
24 ha	59.305 ac
25 ha	61.776 ac
26 ha	64.247 ac
27 ha	66.718 ac
28 ha	69.19 ac
29 ha	71.661 ac
30 ha	74.132 ac
31 ha	76.603 ac
32 ha	79.074 ac
33 ha	81.545 ac
34 ha	84.016 ac
35 ha	86.487 ac
36 ha	88.958 ac
37 ha	91.429 ac
38 ha	93.9 ac
39 ha	96.371 ac
40 ha	98.842 ac
41 ha	101.313 ac
42 ha	103.784 ac
43 ha	106.255 ac
44 ha	108.726 ac
45 ha	111.197 ac
46 ha	113.668 ac
47 ha	116.14 ac
48 ha	118.611 ac
49 ha	121.082 ac
50 ha	123.553 ac
51 ha	126.024 ac
52 ha	128.495 ac
53 ha	130.966 ac
54 ha	133.437 ac
55 ha	135.908 ac
56 ha	138.379 ac
57 ha	140.85 ac
58 ha	143.321 ac
59 ha	145.792 ac
60 ha	148.263 ac
61 ha	150.734 ac
62 ha	153.205 ac
63 ha	155.676 ac
64 ha	158.147 ac
65 ha	160.618 ac
66 ha	163.09 ac
67 ha	165.561 ac
68 ha	168.032 ac
69 ha	170.503 ac
70 ha	172.974 ac
71 ha	175.445 ac
72 ha	177.916 ac
73 ha	180.387 ac
74 ha	182.858 ac
75 ha	185.329 ac
76 ha	187.8 ac
77 ha	190.271 ac
78 ha	192.742 ac
79 ha	195.213 ac
80 ha	197.684 ac
81 ha	200.155 ac
82 ha	202.626 ac
83 ha	205.097 ac
84 ha	207.569 ac
85 ha	210.04 ac
86 ha	212.511 ac
87 ha	214.982 ac
88 ha	217.453 ac
89 ha	219.924 ac
90 ha	222.395 ac
91 ha	224.866 ac
92 ha	227.337 ac
93 ha	229.808 ac
94 ha	232.279 ac
95 ha	234.75 ac
96 ha	237.221 ac
97 ha	239.692 ac
98 ha	242.163 ac
99 ha	244.634 ac
100 ha	247.105 ac

Common values

Acres	Hectares	Example
0.1 ac	0.04 ha	Tenth of an acre
0.25 ac	0.1 ha	Quarter acre lot
0.5 ac	0.2 ha	Half acre
1 ac	0.4 ha	1 acre
1.32 ac	0.53 ha	US football field incl. end zones
2 ac	0.81 ha	2 acres
5 ac	2.02 ha	5 acres
10 ac	4.05 ha	10 acres
40 ac	16.19 ha	Quarter-quarter section
160 ac	64.75 ha	Quarter section
640 ac	259 ha	1 square mile

About acres and hectares

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.

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

Frequently asked questions

What is 1 acre in hectares?

One acre equals 0.404686 hectares. Looking at it the other way, one hectare is 2.47105 acres.

How do you convert acres to hectares?

Divide the number of acres by 2.471053815. For example, 1 ac ÷ 2.471053815 = 0.404686 ha.

What is 5 acres in hectares?

5 ac is 2.02343 ha.

How do I convert hectares back to acres?

Multiply by 2.471053815, or press the ⇄ swap button above. For example, 2.02343 ha × 2.471053815 = 5 ac.

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.

Does this converter work offline?

Once the page has loaded, the conversion runs entirely in your browser, so it keeps working without a connection. It is free and needs no sign-up.

Related tools