Calculadora de Acreagem
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
1 ha = 10.000 m² ≈ 2,471 ac
About this calculator
The Acreage Calculator is an online tool that converts square meters to acres and hectares. It is useful for those working with land measurements, such as farmers, real estate agents, or engineers. Simply enter the value in square meters, and the calculator returns the equivalent in both units, using the formulas: 1 hectare = 10,000 m² and 1 acre ≈ 4,046.86 m².
How it works: you type the area in m², and the tool divides the value by 10,000 to get hectares and by 4,046.86 to get acres. The result is displayed with up to two decimal places. The calculator is instant and does not require page reload.
When to use: in situations involving buying or selling rural land, agricultural planning, calculating areas for construction, or property valuation. It is also useful for students needing to convert units in geography or math assignments.
Cautions: ensure the entered value is in square meters. The calculator uses the international definition of acre (4,046.86 m²), but some countries use variations. For maximum accuracy, check the local standard. The tool does not store data and is for educational use.
Frequently asked questions
What is the difference between an acre and a hectare?
A hectare is a metric unit equal to 10,000 m². An acre is an imperial unit, approximately 4,046.86 m². One hectare equals about 2.471 acres.
Does this calculator work for any value in square meters?
Yes, as long as the value is a positive number. The calculator accepts decimals and integers.
Is the result rounded?
Yes, the result is displayed with up to two decimal places. For higher precision, you can use the raw formula value.
Can I use this calculator for very large areas, like states?
Yes, but remember that the calculator uses the standard definition. Very large areas may require conversion to square kilometers.
Does the calculator save my data?
No, no data is stored. The conversion is done locally in your browser.