Converting acres to hectares is essential when dealing with land measurements, especially in agricultural, real estate, and government-related documentation. While acres are widely used in countries like the United States and the United Kingdom, hectares are the standard unit for measuring large land parcels globally, including in India.

 

Understanding this conversion helps ensure clarity in legal agreements, international trade, or comparing land values across regions. Whether you are buying farmland, assessing land for development, or studying geographical data, being able to convert acres to hectares ensures consistency and avoids confusion in measurement standards.

Popular Acre to Hectare Conversions

Here is a table showing general acre-to-hectare conversions:

Acre

Hectare

1

0.404686

2

0.809371

5

2.023428

10

4.046856

20

8.093713

50

20.23428

75

30.35142

100

40.46856

What is an Acre?

An acre is a commonly used unit of land measurement, especially in countries like India, the United States, and the United Kingdom. It is a part of the imperial system of measurements and is widely recognised in both rural and urban contexts. An acre is used to measure large plots of land, such as agricultural fields, residential properties, or commercial real estate.

 

One acre is equal to 43,560 square feet, 4,840 square yards, or approximately 0.4047 hectares. Its versatility makes it a standard unit in land transactions and agricultural planning. Understanding what an acre represents helps individuals and businesses interpret land sizes more effectively in terms of layout and usage.

Dimensions of Acre

An acre is a widely recognised unit of area measurement, commonly used in countries such as the United States, the United Kingdom, and others. Its size is typically expressed in square feet and square yards, offering a clear understanding of its scale.

 

Here are the standard dimensions of an acre:

  • Square Feet: 1 acre equals 43,560 square feet

  • Square Yards: 1 acre is equivalent to 4,840 square yards

 

These measurements are frequently used in land assessments, real estate dealings, and agricultural applications. While the total area of an acre is fixed at 43,560 square feet, its shape can vary, meaning the length and width of a plot might differ as long as the total area remains consistent.

Acre to Other Conversion Units

Here is a table displaying approximate conversions of 1 acre into various land measurement units commonly recognised across India:

Land Measurement Unit

Approximate Value in 1 Acre

Hectare

0.404 hectare

Bigha (North India)

4 to 6 bigha or 1.6 bigha (varies regionally)

Cent

100.01 cent

Square Metre

4046.86 sq. mt.

Katha

32.0 katha

Gunta

40.0 gunta

Square Yard

4840.0 sq. yd.

Dismil

100.01 dismil

Kanal

8.0 kanal

Square Kilometre

0.00405 sq. km.

Bigha (West Bengal)

3.025 bigha

Gajam

4840.0 gajam

Biswa

32.27 biswa

Ankanam

605.0 ankanam

Square Mile

0.0015 sq. mi.

Chatak

968.0 chatak

Murabba

0.04 murabba

Perche

160.0 perch

Ground

18.15 ground

Ares

40.47 ares

Killa

1.0 killa

Marla

160.0 marla

Decimal

100.01 decimal

Gaj

4840.04 gaj

Dhur

640.0 dhur

Pura

0.75 pura

Karam

1440.0 sq. karam

Lessa

640.0 lessa

Nali

20.17 nali

Gunta (Karnataka)

40 guntas

Biswa Kacha

16.0 biswa kacha

Note: Always confirm the conversion rate based on your region to ensure accuracy.

What is Hectare?

A hectare is a metric unit of area commonly used to measure large plots of land, especially in agriculture, forestry, and real estate. It is part of the International System of Units (SI) and is widely recognised around the world, including in India. One hectare is equivalent to 10,000 square metres or 2.471 acres.

 

Hectares provide a practical and consistent way to assess land area, particularly for larger properties. The unit is often used in agricultural contexts to measure the size of farms or fields. Unlike smaller units such as square metres, hectares are more suitable for large land parcels, as they simplify land area calculations. Using hectares allows for easy comparison of land sizes, both locally and internationally, and ensures standardisation across various industries.

Dimensions of a Hectare

The hectare is measured in terms of square metres, acres, and ares. Below are its standard dimensions:

  • Square Metres

 

1 hectare equals 10,000 square metres

  • Acres

 

1 hectare is approximately 2.4711 acres

  • Ares

 

1 hectare consists of 100 acres

 

These measurements provide a clear understanding of a hectare's scale, making it a useful unit for calculating large land areas.

Hectare to Other Conversion Units

Here is a table showing the conversions of 1 hectare into various land measurement units:

Unit

Approximate Value in 1 Hectare

Square Metres

10,000 sq. mt.

Acres

2.4711 acres

Square Kilometres

0.01 sq. km.

Square Feet

107,639 sq. ft.

Square Yards

11,960 sq. yd.

Ares

100 ares

Cent

247.1 cent

Bigha (North India)

4 to 8 bigha (varies regionally)

Bigha (West Bengal)

7.5 bigha

Gunta

99.1 gunta

Katha

66.8 katha

Marla

396.8 marla

Acre to Hectare Conversions

The following table shows how acres are converted into hectares for various land sizes:

Acre

Hectare

1

0.404685642

2

0.809371284

3

1.214056926

4

1.618742568

5

2.02342821

6

2.428113852

7

2.832799494

8

3.237485136

9

3.642170778

10

4.04685642

11

4.451542062

12

4.856227704

13

5.260913346

14

5.665598988

15

6.07028463

16

6.474970272

17

6.879655914

18

7.284341556

19

7.689027198

20

8.09371284

50

20.2342821

100

40.4685642

How to Convert Acres to Hectares?

Converting acres to hectares is easy. Simply multiply the number of acres by 0.404. For instance, to convert 5 acres into hectares, multiply 5 by 0.404.

 

Example Calculation:

 

5 acres × 0.404 = 2.023 hectares

 

Here are some commonly used equivalent values for 1 acre:

  • 1 Acre = 0.404 Hectare

  • 1 Acre = 19.93 Ground

  • 1 Acre = 0.00156 Square Mile

  • 1 Acre = 1.613 Bigha

  • 1 Acre = 0.00404 Square Kilometre

  • 1 Acre = 4046.86 Square Metres

  • 1 Acre = 40 Guntha

Acre to Hectare Formula and Examples

The formula for converting acres to hectares is straightforward and can be expressed as:

 

Hectare = Acre × 0.404686

 

Here are few examples to illustrate the conversion:

Acre

Hectare Calculation

Result (Hectare)

10 

10 × 0.404686

4.047 

20 

20 × 0.404686

8.094 

50 

50 × 0.404686

20.234 

75 

75 × 0.404686

30.351 

100 

100 × 0.404686

40.469 

1000 

1000 × 0.404686

404.686 

Difference Between an Acre and a Hectare

Here’s a table comparing the features of an Acre and a Hectare:

Feature

Acre

Hectare

Unit System

Imperial Unit

Metric Unit

Size

43,560 square feet (approx.)

10,000 square metres

Usage

Land measurement for agriculture, real estate, and property

Standard metric unit for measuring large land areas

Relation to Other Units

1 Acre = 4840 square yards

1 Acre = 0.4047 hectares

1 Hectare = 10,000 square metres

1 Hectare = 2.471 acres

Commonly Used In

United States, United Kingdom, India

Globally, including India for large-scale land measurements

Metric Conversion

1 Acre = 0.4047 Hectares

1 Hectare = 2.471 Acres

FAQs for Acre to Hectare

How many acres in a hectare?

One hectare is approximately equal to 2.471 acres.

How many hectares in an acre?

One acre is approximately equal to 0.4047 hectares.

How to convert Acre to Hectare?

To convert acres to hectares, multiply the value in acres by 0.4047. For example, 5 acres × 0.4047 = 2.0235 hectares.

Which one is bigger, Acre or Hectare?

A hectare is larger than an acre. One hectare equals approximately 2.471 acres.

Which land measurement units are used in Central India?

In Central India, land is commonly measured in units like Acre, Hectare, Bigha, Katha, and Guntha, depending on the specific region and context.

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