Acres to Hectares converter
Convert acres (ac) to hectares (ha) — results update instantly as you type.
Acres to Hectares
To
1 ac = 0.40468564 ha
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How to convert Acres to Hectares
Area measurements describe surfaces — from apartment floor plans in square meters or square feet to farmland in acres and hectares, and entire countries in square kilometers or square miles.
Every area unit is a length unit squared, which is why conversion factors are large: one acre equals exactly 4,046.8564224 square meters and one hectare is exactly 10,000 square meters.
Formula
ac × 0.4046856422 = ha
Multiply your acres value by 0.4046856422 to get hectares. For the reverse, divide by the same factor.
Acres to Hectares conversion table
| Acres | Hectares |
|---|---|
| 1 ac | 0.404686 ha |
| 2 ac | 0.809371 ha |
| 5 ac | 2.023428 ha |
| 10 ac | 4.046856 ha |
| 25 ac | 10.117141 ha |
| 100 ac | 40.468564 ha |
Common use cases
- Real estate listings between square feet and square meters
- Farmland and plots between acres and hectares
- Country and city size comparisons
- Construction material coverage estimates
Frequently asked questions
One acre equals 43,560 square feet, or about 4,047 square meters — roughly 90% of an American football field.