Hectares ↔ Acres Converter

Convert between hectares and acres instantly

Enter hectares value to convert to acres
Enter acres value to convert to hectares
Conversion Result
1 hectare = 2.47105 acres
10,000 m² • 0.01 km² • 107,639 ft²

📚 Hectares ↔ Acres Conversion Details

Hectares to Acres Formula

acres = hectares × 2.47105

To convert hectares to acres, multiply the hectares by 2.47105.

Acres to Hectares Formula

hectares = acres ÷ 2.47105

To convert acres to hectares, divide the acres by 2.47105.

Bidirectional Conversion

This converter works both ways simultaneously:

  • Type in hectares → acres updates automatically
  • Type in acres → hectares updates automatically
  • No buttons to click - works as you type

Common Uses

  • Land measurement
  • Real estate transactions
  • Agricultural planning
  • Forestry management

📏 How This Converter Works

This is a bidirectional converter that works in real-time:

  1. Hectares → Acres: When you type in the hectares field, the acres field automatically updates
  2. Acres → Hectares: When you type in the acres field, the hectares field automatically updates
  3. No swapping needed: Both conversions happen simultaneously
  4. Real-time: Updates happen as you type, no button clicks required
// Bidirectional Conversion Logic:
acres = hectares × 2.47105
hectares = acres ÷ 2.47105

// Example 1: Type "5" in hectares
acres = 5 × 2.47105 = 12.3553

// Example 2: Type "10" in acres
hectares = 10 ÷ 2.47105 = 4.04686

📊 Conversion Table

Hectares Acres Square Meters
0.5 ha 1.24 ac 5,000 m²
1 ha 2.47 ac 10,000 m²
2 ha 4.94 ac 20,000 m²
5 ha 12.36 ac 50,000 m²
10 ha 24.71 ac 100,000 m²
50 ha 123.55 ac 500,000 m²

📐 Understanding Hectares and Acres

What is a Hectare?

A hectare (ha) is a metric unit of area equal to 10,000 square meters. It's commonly used in land measurement worldwide, especially in agriculture and forestry.

What is an Acre?

An acre is an imperial unit of area traditionally used in the United States, United Kingdom, and other countries. One acre equals 43,560 square feet or about 4,047 square meters.

Key Conversion Factor

1 hectare = 2.47105 acres (exact conversion factor is 2.47105381467)

❓ Frequently Asked Questions

Q: How many acres are in a hectare?

A: There are approximately 2.47105 acres in one hectare.

Q: Which is larger, a hectare or an acre?

A: A hectare is larger than an acre. One hectare equals about 2.47 acres.

Q: When would I use hectares vs acres?

A: Hectares are used in most countries worldwide (metric system). Acres are primarily used in the United States, United Kingdom, and some Commonwealth countries.

Q: How accurate is this converter?

A: This converter provides calculations with 5 decimal places for precise measurements.