conversion Calculator

Acre to Hectare Converter

Convert acres to hectares and vice versa.

Acre to Hectare Converter

Convert acres to hectares and hectares to acres quickly and accurately.

Enter values to see results

Acre to Hectare Converter

Easily convert between acres and hectares. An acre and a hectare are both units used to measure area — acres are commonly used in the United States and the UK, while hectares are used internationally (especially in metric-system countries).

This tool converts by first transforming your input into the base unit of square meters, then converting from square meters into the desired output unit to ensure accurate results across conversions.

The ability to switch effortlessly between acres and hectares is essential for various applications, including real estate, farming, and environmental planning. Understanding these units can help make informed decisions whether you are purchasing land or managing agricultural resources.

How the Conversion Works

The converter uses square meters as an intermediate (base) unit. The simple formula is:

Result = (Value × From Unit Factor) / To Unit Factor

Where the factors are:

  • 1 acre = 4,046.8564224 m²
  • 1 hectare = 10,000 m²

Example: Convert 10 acres to hectares.

10 × 4046.8564224 / 10000 = 4.046856

When to Use Acres vs Hectares

Use acres for land measures commonly reported in the United States, and hectares when dealing with metric data, agricultural planning, or international standards. This converter makes it easy to switch between both.

In agriculture, knowing how to convert between these two units is crucial for planning crop rotations, calculating land sizes for planting, and ensuring compliance with regulations across countries.

Use Cases for Acre to Hectare Conversion

There are numerous situations where converting acres to hectares and vice versa can be beneficial. Real estate agents may need accurate conversions to better represent properties to clients in different countries. Farmers aiming to optimize their land usage can also utilize these conversions to make informed decisions about crop yields and resource management.

Furthermore, environmental organizations might require conversions for land conservation projects or sustainability assessments that require precise measurements in metric units.

Frequently Asked Questions

Is an acre bigger than a hectare?

No — a hectare (10,000 m²) is larger than an acre (≈4,046.856 m²). One hectare equals about 2.471 acres.

How many acres are in a hectare?

1 hectare = 2.4710538147 acres (approx.). Use this tool to convert precisely using the base-square-meter approach.

Can I convert fractions of an acre?

Yes — simply enter decimal values (for example, 0.5 for half an acre). The calculator supports fractional inputs and displays results with up to 6 decimal places.

Why are hectares used internationally?

Hectares are part of the metric system, which provides a universal standard for measurement, making it easier for countries to communicate about land size and agricultural practices. This standardization is crucial for international trade agreements and environmental policies.

Can your calculator be used for other area conversions?

While this specific tool focuses on acre to hectare conversions, many similar tools can convert between various area units such as square feet, square meters, and more. It's important to choose the right tool for your needs.

Meet the Expert

Unit Master

Unit Master

Conversion Specialist

Unit Master is an expert in measurement systems and unit conversions across all disciplines.