Hectare to Square Mile Converter
What is a Hectare?
A hectare (ha) equals 10,000 m². Hectares are the metric standard for land area measurement in agriculture, real estate, and forestry worldwide.
The hectare is accepted by the International System of Units (SI) and used in over 100 countries for official land records.
What is a Square Mile?
A square mile (mi²) equals 640 acres, 258.999 hectares, or 2,589,988 square meters. Square miles measure counties, states, national parks, and large geographic regions in the United States.
US Census data, county boundaries, and national forest areas use square miles as the primary area unit.
Hectare to Square Mile Formula
The formula is: Square Miles = Hectares × 0.00386102 (or Hectares ÷ 258.999).
Reverse: Hectares = Square Miles × 258.999.
=A1*0.00386102How to Convert Hectare to Square Mile
Step 1: Note the hectare value
Record the area in hectares. Example: 500 hectares.
Hectare to Square Mile Conversion Table
Reference table with 18 common hectare values converted to square mile. Type a custom value for instant conversion.
| Hectare (ha) | Square Mile (mi²) |
|---|---|
| 0.1 | 0.00039 |
| 0.25 | 0.00097 |
| 0.5 | 0.00193 |
| 1 | 0.00386 |
| 2 | 0.00772 |
| 3 | 0.01158 |
| 5 | 0.01931 |
| 7.5 | 0.02896 |
| 10 | 0.03861 |
| 15 | 0.05792 |
| 20 | 0.07722 |
| 25 | 0.09653 |
| 50 | 0.19305 |
| 75 | 0.28958 |
| 100 | 0.3861 |
| 250 | 0.96526 |
| 500 | 1.93051 |
| 1,000 | 3.86102 |
Conversion factor: 1 ha = 0.00386102 mi²
Hectare to Square Mile Worked Examples
6 worked examples showing hectare to square mile conversion for real-world land scenarios.
Convert 100 Hectares to Square Mile
Large agricultural estate
Frequently Asked Questions
5 common questions about hectare to square mile conversion.
Convert Hectare to Square Mile Now
Use this free hectare to square mile converter. Enter a value and get instant, accurate results.
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