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How to Convert Hectares to Acres?

How to Convert Hectares to Acres?

Hectares and acres are units of measurement often used during purchase or sale of a large plot of land. These units are also convertible to each other, which can be done via dedicated tools like conversion calculators. Several area converter calculators are available online for hectares to acres conversion. The formula for such conversion is –
ac = ha x 2.4710

Whereby ‘ac’ denotes acres and ‘ha’ stands for hectares.

What is Hectare?


A hectare refers to an area of a square comprising 10,000 units of square meters, with each side measuring 100 metres. Also, 1 square kilometre contains 100 hectares. Hectare is primarily used to measure land.

An international rugby union field comprises an area of almost 1 hectare (1.008 hectares), with the size of an average American baseball field measuring 1 hectare.

Although a non-SI metric unit, a hectare is the only unit for measurement of area accepted for use with SI units.

The term ‘hectare’ was first coined with the introduction of the metric system in 1795, and is a portmanteau of ‘hecto’ and ‘are’. ‘Hecto’ denotes a factor of one in the metric system, whereas ‘are’ refers to an area of measurement equalling 100 square metres.

The use of ‘are’ was excluded with an introduction of the International System of Units (SI) in 1960. However, hectare continues to remain a valid unit of area measurement.

Hectare also has its origin in the Greek word “hekaton”, meaning 100.

What is an Acre?


An acre is equal to 43,560 square feet precisely. It measures close to 40% of a hectare, i.e. 4,047 square meters, or 1/640 of a square mile.

The traditional definition of an acre is the area of 1 chain (66 feet) by 1 furlong (660 feet), which equals 10 square chains. 1 acre equals approximately 16 tennis courts, around 60% of a football field, or 150 cars parked in a square formation.

The English monarchy implemented the use of acre for area measurement in the late 1200s. In 1878, 1 hectare was defined as 4,840 square yards by the British Weights and Measures Act.

Also, the official measurement of an acre differed among European countries before the introduction of the metric system. At present, it is part of the US customary and imperial units system of measurement. In India, an acre is primarily used to measure agricultural land.

Hectare to Acre (ha to ac) Conversion Table

 
Hectare (ha) Acre (ac)
1 2.4711
2 4.9421
3 7.4132
4 9.8842
5 12.3553
6 14.8263
7 17.2974
8 19.7684
9 22.2395
10 24.7105

How to Convert Hectares to Acres (ha to ac)?

 

A hectare unit is converted into acre by multiplying the former with 2.4710.

For instance, to convert 13 hectares to acres, the calculation is -
13 ha = 13 x 2.4710 or 32.1237 ac

Likewise, a unit of an acre is converted to hectare by dividing the former with 0.404686.

For instance, 13 acres expressed in hectares is –
13 ac = 13 / 0.404686 or 5.26091 ha

Use an online area converter for hectare conversion to acres and vice versa to ensure precise and quick computation.