Acres to Hectares
Instantly convert Acres to Hectares (ha). Enter a value below to get the result, or use our reference table and formula for quick calculations.
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Conversion Formula
To convert, use this formula:
ha = acres × 0.404686
Reverse Conversion
acres = ha × 2.47105
Conversion Table
| Acres | Hectares (ha) |
|---|---|
| 1 | 0.4047 |
| 2 | 0.8094 |
| 5 | 2.0234 |
| 10 | 4.0469 |
| 20 | 8.0937 |
| 50 | 20.2343 |
| 100 | 40.4686 |
| 200 | 80.9371 |
| 500 | 202.3428 |
| 1000 | 404.6856 |
| 5000 | 2023.4282 |
Common Use Cases
🌾 Agriculture — Convert farm sizes between acres (US) and hectares (international).
🏗️ Real Estate — Compare property sizes listed in different measurement systems.
🌳 Forestry & Conservation — Track forest areas in hectares for international reporting.
📊 Government Reports — Convert land area data between US and metric systems.
Frequently Asked Questions
How many hectares is 1 acre?
1 acre = 0.404686 hectares.
Quick estimate?
Divide by 2.5. 10 acres ≈ 4 ha (actual: 4.05 ha).
What is an acre?
An acre = 43,560 sq ft or 4,840 sq yd.
What is a hectare?
A hectare = 10,000 sq m (100m × 100m).
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