Convert Square Kilometers to Acres
1 km² = 247.11 ac
Conversion Table
| square kilometers (km²) | acres (ac) |
|---|---|
| 0.5 | 123.55 |
| 1 | 247.11 |
| 2 | 494.21 |
| 5 | 1235.53 |
| 10 | 2471.05 |
| 25 | 6177.63 |
| 50 | 12355.26 |
| 100 | 24710.52 |
| 250 | 61776.29 |
| 500 | 123552.58 |
| 1000 | 247105.16 |
How to Convert square kilometers to acres
To convert square kilometers to acres, multiply the value by the conversion factor:
For example: 10 km² = 2471.05 ac
About square kilometers and acres
The Conversion Formula
To convert square kilometers to acres, multiply the value by the conversion factor: 1 km² = 247.11 ac. For a worked example, suppose you need to convert 25 km² to acres: 25 × 247.11 = 6177.63 ac. To convert in the opposite direction, divide by 247.11, or equivalently multiply by 0.00404686.
About square kilometers
The square kilometer (km²) is the metric unit for measuring cities, countries, and vast natural reserves. Equal to one million square meters or 100 hectares, it is the standard for geography. For example, when you read about the deforestation of the Amazon or the size of a new national park, the figures are usually in square kilometers. square kilometers are commonly used in Country and city areas, Forest fires, Lakes and oceans, and Population density, National parks.
Central Park in NYC is about 3.4 square kilometers.
About acres
The acre's origins are agricultural: it was originally defined as the amount of land a yoke of oxen could plow in a single day. This 'furlong' (furrow long) by 'chain' definition standardized land ownership in medieval England. Today, the acre remains the king of land measurement in the US and UK. There are 640 acres in a square mile. acres are commonly used in US Farm land, Residential lots (US), Public parks (US/UK), and Golf courses, Deforestation stats (US media).
An American football field (including end zones) is about 1.32 acres.
When Would You Convert square kilometers to acres?
Converting between square kilometers and acres is one of the most common area conversions. You might need this conversion when working with international specifications, following instructions written for a different measurement system, or comparing values across different standards. Having the conversion factor (1 km² = 247.11 ac) memorized or bookmarked can save time in professional and everyday contexts alike.