Convert acres to square kilometers
Accurate tool to convert between ac and km²
Area
Acres
The acre is a unit of land area used in the imperial and US customary systems.
Square kilometers
The square kilometer is a metric unit of area equal to one million square meters.
Formula
To convert from acres to square kilometers, divide the area by 247.105.
acres (ac)
Description
The acre is a unit of land area used in the imperial and US customary systems.
History
Originally defined as the amount of land a yoke of oxen could plow in one day.
Symbol Origin
From Old English 'æcer', meaning open field.
Usage Context
Used for real estate and large plots of land in the US.
Main Usage
Did you know?
An acre is 43,560 square feet. It can be any shape, not just a square.
square kilometers (km2)
Description
The square kilometer is a metric unit of area equal to one million square meters.
History
Derived from the kilometer. Used for large scale geographical measurements.
Symbol Origin
Square of 'kilometer'.
Usage Context
Used for measuring countries, cities, and lakes.
Main Usage
Did you know?
Vatican City, the smallest country in the world, is only 0.44 km².
Quick Conversion Table
| acres (ac) | square kilometers (km2) |
|---|---|
| 1 | 0.00404686 |
| 2 | 0.00809372 |
| 5 | 0.0202343 |
| 10 | 0.0404686 |
| 25 | 0.101171 |
| 50 | 0.202343 |
| 100 | 0.404686 |
| 500 | 2.02343 |
| 1000 | 4.04686 |
| 2500 | 10.1172 |
| 5000 | 20.2343 |
| 10000 | 40.4686 |
Frequently Asked Questions
How to convert acres to square kilometers?
To convert from acres to square kilometers, divide the area by 247.105.
How many square kilometers in 1 acres?
1 acres is equal to 0.00404686 square kilometers.
What is a acres?
The acre is a unit of land area used in the imperial and US customary systems.
What is a square kilometers?
The square kilometer is a metric unit of area equal to one million square meters.