# Acre to Square Mile Conversion

## Acre to Square Mile Conversion - Convert Acre to Square Mile (ac to mil²)

### You are currently converting Area units from Acre to Square Mile

1 Acre (ac)

=

0.00156 Square Mile (mil²)

Acre : The acre is a unit of area; however, it has several different systems, including the imperial and American customary systems. The most popularly used acre is the international acre in the modern. It is commonly used to measure tracts of land. The international symbol of acre is ac, and 1 international acre equals 4046.8564224 square metres.

Square Mile : A square mile is a unit of area, and abbreviated as "mi²" or "sq mi". It is defined as the area of a square with sides one mile in length. It is primarily used to measure land in the UK and U.S.. 1 square mile is approximately equal to 2,589,988 square meters.

### Area Conversion Calculator

1 Acre = 0.00156 Square Mile

### How to convert Acre to Square Mile ?

1 acre (ac) is equal to 0.00156 square mile (mil²).

1ac = 0.00156mil²

The area A in square mile (mil²) is equal to the area A in acre (ac) times 0.00156, that conversion formula:

A(mil²) = A(ac) × 0.00156

#### How many Square Mile in a Acre?

One Acre is equal to 0.00156 Square Mile:

1ac = 1ac × 0.00156 = 0.00156mil²

#### How many Acre in a Square Mile?

One Square Mile is equal to 640 Acre:

1mil² = 1mil² × 640 = 640ac

#### How to Convert 5 Acre to Square Mile?

A(mil²) = 5(ac) × 0.00156 = 0.0078mil²