### Acre to Square Kilometer Conversion

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

1 Acre (ac)

=

0.00405 Square Kilometer (km²)

Visit Square Kilometer to Acre Conversion
**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 Kilometer : **
The square kilometer (also spelling square kilometre, symbol km²) is a unit of area, and also is a decimal multiple of the SI unit the square metre. 1 km² is equal to 1,000,000 m², or 100 ha (hectare). Note: symbol "km²" means (km)², kilometre squared or square kilometre and not k(m²), kilo–square metre.

### Area Conversion Calculator

1 Acre = 0.00405 Square Kilometer

### How to convert Acre to Square Kilometer ?

1 acre (ac) is equal to 0.00405 square kilometer (km²).

1ac = 0.00405km²

The area A in square kilometer (km²) is equal to the area A in acre (ac) times 0.00405, that conversion formula:

A(km²) = A(ac) × 0.00405

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

One Acre is equal to 0.00405 Square Kilometer:

1ac = 1ac × 0.00405 = 0.00405km²

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

One Square Kilometer is equal to 247.10538 Acre:

1km² = 1km² × 247.10538 = 247.10538ac

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

A(km²) = 5(ac) × 0.00405 = 0.02025km²

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