Acres to Hectares Converter
Convert acres to hectares instantly. Fast, accurate, and mobile-friendly converter for international land measurement and agricultural planning.
Land lots, farms
Farms, forests
Quick Conversion Formulas
Common Area Reference Points
Tennis Court
2,808 sq ft / 260.87 sq m
Basketball Court
4,700 sq ft / 436.64 sq m
Acre (Football Field)
43,560 sq ft / 4,046.86 sq m
City Block (typical)
2-5 acres / 100,000 sq ft
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Acres to Hectares Formula
hectares = acres ÷ 2.47105
How to convert acres to hectares:
- Take the number of acres you want to convert
- Divide by 2.47105 (since there are 2.47105 acres in 1 hectare)
- The result is the area in hectares
Example:
Convert 5 acres to hectares:
hectares = 5 ÷ 2.47105 = 2.02 hectares
⚠️ Important Disclaimer
This tool provides estimates for informational purposes only. Results should not be relied upon for important decisions. Always consult with a qualified professional for advice specific to your situation.
Acres to Hectares Conversion Table
| Acres | Hectares | Common Use |
|---|---|---|
| 0.5 acres | 0.20 ha | Small residential lot |
| 1 acre | 0.40 ha | Standard residential lot |
| 2 acres | 0.81 ha | Large residential property |
| 5 acres | 2.02 ha | Small farm |
| 10 acres | 4.05 ha | Medium farm plot |
| 25 acres | 10.12 ha | Farm property |
| 50 acres | 20.23 ha | Large farm |
| 100 acres | 40.47 ha | Commercial farm |
| 250 acres | 101.17 ha | Large agricultural property |
| 500 acres | 202.34 ha | Major agricultural estate |
Understanding Acres and Hectares
The Acre
The acre is a traditional imperial unit of land area used primarily in the United States, United Kingdom, and countries with historical British influence. One acre equals 43,560 square feet or about 4,047 square meters.
Originally defined in medieval England as the amount of land tillable by one man behind one ox in one day, the acre has been standardized and remains a fundamental unit for American agriculture and real estate.
Common uses for acres:
- US agricultural operations and ranches
- Residential property lots (0.25-5 acres typical)
- Parks and recreational areas
- Real estate development sites
The Hectare
The hectare is a metric unit of area equal to 10,000 square meters (100m × 100m). It's the standard unit for measuring large land areas in most countries worldwide, particularly for agricultural, forestry, and environmental purposes.
As part of the International System of Units (SI), the hectare facilitates global communication and trade in agriculture, making it easier to compare land sizes across countries without complex conversions.
Common uses for hectares:
- Agricultural land measurement (farms, vineyards)
- Forestry and conservation areas
- International real estate listings
- Urban planning and zoning
Real-World Applications
International Property Sales:
When selling US farmland to international buyers or listing property on global platforms, converting acres to hectares makes the listing accessible to a worldwide audience familiar with metric measurements.
Agricultural Trade:
International agricultural reports and commodity trading often use hectares as the standard. Converting US farm sizes to hectares facilitates global market analysis and investment decisions.
Frequently Asked Questions
How many hectares are in 1 acre?
One acre equals approximately 0.404686 hectares. The exact conversion is 1 acre = 0.40468564224 hectares. This means an acre is about 40% of a hectare.
How do I convert 5 acres to hectares?
Divide 5 by 2.47105 (or multiply by 0.404686): 5 ÷ 2.47105 = 2.02 hectares. This is a typical size for a small hobby farm or rural residential property.
Which is bigger, an acre or a hectare?
A hectare is bigger than an acre. One hectare equals 2.47 acres, meaning a hectare contains about 2.5 times the area of an acre. In practical terms, 1 hectare = 10,000 sq m while 1 acre = 4,047 sq m.
What is 100 acres in hectares?
100 acres equals approximately 40.47 hectares. This represents a medium-sized commercial farm in many agricultural regions, suitable for various crop production or livestock operations.
Why convert acres to hectares?
Converting to hectares is essential for international land transactions, global agricultural reporting, scientific research, and communicating with partners in countries that use the metric system. It's the worldwide standard for land measurement outside the US and UK.