Convert square kilometers to acres
Accurate tool to convert between km² and ac
Area
Square kilometers
The square kilometer is a metric unit of area equal to one million square meters.
Acres
The acre is a unit of land area used in the imperial and US customary systems.
Formula
To convert from square kilometers to acres, multiply the area by 247.105.
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.
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.
Quick Conversion Table
| square kilometers (km2) | acres (ac) |
|---|---|
| 1 | 247.105 |
| 2 | 494.21 |
| 5 | 1235.53 |
| 10 | 2471.05 |
| 25 | 6177.63 |
| 50 | 12355.3 |
| 100 | 24710.5 |
| 500 | 123553 |
| 1000 | 247105 |
| 2500 | 617763 |
| 5000 | 1,235,530 |
| 10000 | 2,471,050 |
Frequently Asked Questions
How to convert square kilometers to acres?
To convert from square kilometers to acres, multiply the area by 247.105.
How many acres in 1 square kilometers?
1 square kilometers is equal to 247.105 acres.
What is a square kilometers?
The square kilometer is a metric unit of area equal to one million square meters.
What is a acres?
The acre is a unit of land area used in the imperial and US customary systems.