Acres to Hectares Converter
This converter changes acres into hectares, the metric unit of land area. One acre equals about 0.404686 hectares, so the calculator multiplies your acreage by that factor. Enter an area in acres to get the equivalent in hectares — useful for farming, forestry and international land deals.
Formula
Hectares = Acres × 0.404686
- Hectares = acres × 0.404686.
- One hectare is 10,000 square metres; one acre is 43,560 square feet.
- To reverse it, divide hectares by 0.404686 (or multiply by about 2.4711) to get acres.
- Two and a half acres is very close to one hectare (1 ha ≈ 2.471 acres).
- The factor is exact to the figures shown; results differ only by decimal rounding.
Example Calculation
Inputs
- Acres: 1
One acre converts to 1 × 0.404686 = 0.4047 hectares. A 10-acre field would be about 4.047 hectares.
Frequently asked questions
How many hectares are in an acre?
About 0.404686 hectares. The converter multiplies your acreage by this factor.
How do I convert acres to hectares?
Multiply the number of acres by 0.404686. For example, 5 acres = 5 × 0.404686 ≈ 2.023 hectares.
How do I convert hectares back to acres?
Divide hectares by 0.404686, or multiply by about 2.4711. So 1 hectare ≈ 2.471 acres.
What is a hectare?
A hectare is a metric unit of area equal to 10,000 square metres, or a square 100 m on each side.
Why convert acres to hectares?
Hectares are the standard land-area unit in most of the world, so the conversion is common in farming, forestry and international property.