At One Place

1 acre to mi²

1 acre in square miles
1 acre = 0.0015625 mi²
mi² = acre × 0.0015625

1 acre is 0.0015625 square miles. To get there, multiply by 0.0015625.

Values either side

Acres near 1, converted to square miles.
Acres Square miles
0.5 acre 0.0007813
1 acre ← 0.0015625
1.5 acre 0.0023438
2 acre 0.003125
2.5 acre 0.0039063
3 acre 0.0046875

How the conversion works

The relationship is mi² = acre × 0.0015625. Both units measure area, so the conversion is a fixed factor that never changes.

Common questions

What is 1 acre in square miles?
1 acre is 0.0015625 mi².
How do you convert acres to square miles?
Multiply by 0.0015625.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked