Unit Converter

Convert From Acres to Hectares and Vice Versa

Acres ↔ Hectares

Type in either acres or hectares — it’ll convert to the other automatically!



🌾 What is an Acre?

An acre is a unit of area used in the imperial and U.S. customary systems. It’s commonly used in the U.S., UK, and Canada for measuring plots of land, especially farms, estates, and parks. 1 acre = 43,560 square feet = 4,046.86 square meters = 0.404686 hectares.

🌍 What is a Hectare?

A hectare is a metric unit of area equal to 10,000 square meters or approximately 2.471 acres. It’s the standard unit used globally for land measurement, especially in agriculture and public land registries.

📐 Interactive Land Size Estimator

1.0 acres = 0.40 hectares

1.0 ac

🧠 Quick Comparison

Unit Equivalent Used In
1 acre 0.404686 hectares USA, UK, real estate, farming
1 hectare 2.471 acres Global (metric standard, agriculture)

🧮 How to Convert

Acres to Hectares: hectares = acres × 0.404686
Hectares to Acres: acres = hectares × 2.47105

Example:
5 acres × 0.404686 = 2.023 hectares

💡 Pro Tip

If you're working with international land deals, planning a farm, or interpreting satellite maps, always verify whether the unit is in acres or hectares to avoid underestimating or overestimating land size!

🎉 Did You Know?

The word "acre" comes from the Old English “æcer,” which referred to the amount of land a yoke of oxen could plow in one day. A hectare, meanwhile, literally means "hundred ares" (10,000 m²).

🏞️ Real-World Area Examples

  • 1 acre – About 75% of a football field (US)
  • 5 acres – Small farm plot or horse paddock
  • 1 hectare – Almost 2.5 acres; enough for a soccer field
  • 10 hectares – Size of a small campus or vineyard

📊 Acres to Hectares Conversion Chart

Acres Hectares
10.4047
20.8094
52.0234
104.0469
208.0937
5020.234
10040.4686

📜 Timeline: Acre vs Hectare

  • Ancient times: Acre based on land plowable in a day
  • 1795: Hectare introduced during French metric reform
  • Now: Hectares dominate global land use; acres remain in Anglo regions

🌍 When to Use Acres vs Hectares

  • 🏡 Acres: U.S., Canada, UK, real estate and land development
  • 🚜 Hectares: Global standard in farming, land zoning, forestry
  • 📏 Tip: Multiply acres by 0.4047 for a quick conversion to hectares