Acre to Square Kilometer Converter

1 Acre equals 0.00404686 Square Kilometer. To convert Acre to Square Kilometer, divide the value by 247.105 (multiply by 0.00404686).

To convert Acre to Square Kilometer, divide the value by 247.105 (multiply by 0.00404686). For example, 10 ac = 0.0404686 km².

The Acre (ac) is equal to 4,047 m² or 43,560 ft², traditionally used for measuring farmland and property in the US and UK.

The Square Kilometer (km²) is equal to 1,000,000 m², used to measure cities, countries, lakes, and other large geographical areas.

100 ac equals 0.404686 km². To convert Acre to Square Kilometer, divide the value by 247.105 (multiply by 0.00404686).

Average apartment sizes vary widely by country. In the US, a one-bedroom apartment averages about 65–75 m² (700–800 sq ft). In Europe, apartments tend to be smaller — a one-bedroom in a major city is typically 40–60 m² (430–645 sq ft). Studio apartments are usually 25–40 m² (270–430 sq ft).

FIFA regulations set the pitch size at 100–110 m long and 64–75 m wide, giving an area of 6,400–8,250 m² (1.58–2.04 acres). A standard match pitch is typically 105 × 68 m = 7,140 m² (1.76 acres). An American football field including end zones is 109.7 × 48.8 m = 5,351 m² (1.32 acres).

A full tennis court (including surrounding area) is 36.6 m × 18.3 m = 669.8 m² (7,205 sq ft). The playing surface itself is 23.77 m × 10.97 m = 260.7 m² (2,808 sq ft) for singles. A doubles court is 23.77 m × 10.97 m including the wider doubles alleys.

A standard parking space in most countries is about 2.4–2.7 m wide and 4.8–5.4 m long, giving an area of roughly 12–15 m² (130–160 sq ft). Compact spaces may be as small as 2.2 × 4.5 m = 9.9 m². Accessible (disabled) spaces are wider, typically 3.6–4.0 m wide.

One acre is 4,047 m² (43,560 sq ft). For reference: 1 acre is about 90% of a US football field (including end zones); it fits roughly 16 tennis courts; a typical suburban quarter-acre lot is about 1,012 m². Central Park in New York City is 843 acres (341 hectares).