Koverts/Area/Acre → km²
⬛ Area Converter

Acre to Sq. Kilometer (km²)

1 Acre = 0.004047 km² · Free instant converter, no signup required.

Direct Answer

1 Acre = 0.004047 km²

Formula: km² = Acre × 0.004047. This page supports instant conversion, reference table checks, and related unit links.

About this conversion

This Koverts page converts Acre to Sq. Kilometer (km²). It uses the same rules as our Area Converter — reliable Area conversions, free and instant.

Acre and Sq. Kilometer (km²) are units used in Area Converter. Enter a value above to convert Acre into Sq. Kilometer (km²) using the standard relationship for this category.

Sq. Kilometer (km²) is the target unit on this page. Results come from Acre using the same rules as the calculator and the reference table below.

Typical uses

  • Compare Acre and Sq. Kilometer (km²) for everyday estimates and planning
  • Use with homework, DIY projects, and hobby measurements
  • Read international labels, manuals, and product specs with less guesswork
  • Educational reference only — verify medical, legal, or engineering use with authoritative sources
Formulakm² = Acre × 0.004047

Common reference values

  • 1 Acre = 0.004047 km²
  • 10 Acre = 0.040469 km²
  • 100 Acre = 0.404686 km²

Tip: 1 Acre equals 0.004047 km². Multiply your amount by 0.004047 to convert from Acre to km².

Did you know? Koverts keeps conversion math transparent: you see the factor, the table, and the same rules everywhere on the page.

Educational reference — always verify critical measurements (medical, engineering, legal) with primary sources.

⬛ Area Converter← Area

Result

0.004047km²

1 Acre = 0.004047 km²

Popular conversions

// acre Conversion table sq_kilometer

Acre (Acre)Sq. Kilometer (km²) (km²)
1 Acre0.004047 km²
2 Acre0.008094 km²
5 Acre0.020234 km²
10 Acre0.040469 km²
20 Acre0.080937 km²
25 Acre0.101172 km²
50 Acre0.202343 km²
100 Acre0.404686 km²
250 Acre1.011715 km²
500 Acre2.02343 km²
1000 Acre4.04686 km²

How to convert

Acre → Sq. Kilometer (km²)

To convert from Acre (Acre) to Sq. Kilometer (km²) (km²)，multiply your value by 0.004047.

km² = Acre × 0.004047

For example，10 Acre = 0.040469 km².

// Frequently Asked Questions

How accurate is this converter?▼
Koverts applies standard conversion relationships for Area. Always double-check results that affect health, safety, contracts, or compliance.
Can I convert other units in this category?▼
Yes. Open the category page or change the “from” and “to” units in the converter to explore every supported pair.
What is 1 Acre in km²?▼
1 Acre = 0.004047 km².
How is the conversion calculated?▼
km² = Acre × 0.004047.
Can I convert other values?▼
Yes. Use the converter box above to enter any value and get instant results.

// Related conversions

Acre → m²

Sq. Meter (m²)

Acre → ft²

Sq. Foot (ft²)

Acre → in²

Sq. Inch (in²)

Acre → yd²

Sq. Yard (yd²)