In 1 centiares there are 0.000247 acres. Meanwhile in 1 acres there are 4,046.856422 centiares. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Acres to Centiares calculator above to convert any number.
* Values rounded to 6 decimal places for readability
To convert centiares (ca) to acres (ac), use this simple area conversion:
Conversion formula (centiares to acres):
Quick examples:
For size context, a football field is about 1.32 acres.
A centiare is a metric unit of area. It equals 1 square meter (1 m²). It’s also 1/100 of an are.
An acre is a unit of land area used in the US and other places. One acre equals 43,560 square feet, or about 4,046.8564224 square meters.
Convert centiares to square meters first, then to acres. Since 1 centiare equals 1 m², the math stays simple:
The conversion factor from centiares to acres is:
That’s the same as 1 m² in acres.
There are about 4,046.8564224 centiares in 1 acre. Since a centiare is 1 m², this matches the square meters in an acre.
100 centiares equals 100 m². In acres, that is:
1,000 centiares equals 1,000 m². In acres, that is:
Yes. 1 centiare = 1 square meter. This makes centiares easy to convert to acres using the square-meter-to-acre value.
Centiares are handy for small land areas in metric terms. Since they match square meters, they work well for plots, gardens, and site plans.
A quick estimate uses this rule:
For better accuracy, divide by 4,046.8564224.
No. A centiare and an acre have fixed sizes. The conversion stays the same anywhere. Only the unit preference changes by region.
Common issues include:
Rounding depends on your use:
The Calculate Box tool to convert centiares to acres uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a centiares value in the box and have it instantly converted to acres.