Acres to Square Miles - How many sq miles in an acre ?

Acres to square miles conversion table shows the most common values for your quick reference. Also, you may use the converter below to convert any other values.

1 Acre = 0.0015625 Square Miles

Acre is an imperial, us customary systems area unit. Used commonly for measuring the land, in agriculture and forestry. There are different types of acres used as an area unit globally, the international and survey acres are the most common ones but the difference between them is so small (0.016 square meters). The abbreviation is "ac".

Square mile is an imperial and us customary area unit and is used mostly in measuring land. The abbreviation is mi² or "sq mi".

For other area unit conversions, please go to Area Conversion

Converter

Enter a value that you want to convert into sq miles and click on the "convert" button.

Conversion Table

Acre	Sq Mile	Acre	Sq Mile	Acre	Sq Mile	Acre	Sq Mile
1	0.0015625	26	0.040625	51	0.0796875	76	0.11875
2	0.003125	27	0.0421875	52	0.08125	77	0.1203125
3	0.0046875	28	0.04375	53	0.0828125	78	0.121875
4	0.00625	29	0.0453125	54	0.084375	79	0.1234375
5	0.0078125	30	0.046875	55	0.0859375	80	0.125
6	0.009375	31	0.0484375	56	0.0875	81	0.1265625
7	0.0109375	32	0.05	57	0.0890625	82	0.128125
8	0.0125	33	0.0515625	58	0.090625	83	0.1296875
9	0.0140625	34	0.053125	59	0.0921875	84	0.13125
10	0.015625	35	0.0546875	60	0.09375	85	0.1328125
11	0.0171875	36	0.05625	61	0.0953125	86	0.134375
12	0.01875	37	0.0578125	62	0.096875	87	0.1359375
13	0.0203125	38	0.059375	63	0.0984375	88	0.1375
14	0.021875	39	0.0609375	64	0.1	89	0.1390625
15	0.0234375	40	0.0625	65	0.1015625	90	0.140625
16	0.025	41	0.0640625	66	0.103125	100	0.15625
17	0.0265625	42	0.065625	67	0.1046875	125	0.1953125
18	0.028125	43	0.0671875	68	0.10625	150	0.234375
19	0.0296875	44	0.06875	69	0.1078125	175	0.2734375
20	0.03125	45	0.0703125	70	0.109375	200	0.3125
21	0.0328125	46	0.071875	71	0.1109375	250	0.390625
22	0.034375	47	0.0734375	72	0.1125	300	0.46875
23	0.0359375	48	0.075	73	0.1140625	500	0.78125
24	0.0375	49	0.0765625	74	0.115625	750	1.171875
25	0.0390625	50	0.078125	75	0.1171875	1000	1.5625

Acres To Square Miles Conversion

How many square miles in an acre ?

Conversion Table