This acre converter expresses one international acre in hectares and square metres, which is useful for land, real-estate, and agriculture comparisons.
Conversion
Acres to Hectares Converter
Convert international acres to hectares and square metres.
Calculator
About this calculator
Formula notes
hectares = acres x 0.40468564224; square metres = acres x 4,046.8564224.
Worked examples
- Example: 1 acre equals about 0.404686 hectares and about 4,046.86 square metres.
- 10 international acres convert to 4.0468564224 hectares and 40,468.564224 square metres.
How to use it
- Enter the area in acres.
- Confirm the acre is an international acre, not a survey or regional variant.
- Read the hectare and square-metre equivalents.
Frequently asked questions
Which acre definition is used?
This converter uses the international acre of exactly 4,046.8564224 square metres.
Can I reverse hectares back to acres?
The tool is one-directional, but you can divide the hectare result by 0.40468564224 to recover the original area.
Limits and interpretation
- This is a fixed unit conversion; physical land area can differ from title or tax records based on survey method, local definitions, and boundary corrections.
- Inputs are treated as finite decimal acres; very large or repeatedly rounded conversions should preserve the original source value.