# Acre To Hectare Conversion

ac

The acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, 1/640 of a square mile, 4,840 square yards, or 43,560 square feet, and approximately 4,047 sq.m, or about 40% of a hectare. Based upon the international yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. The acre is sometimes abbreviated ac, but is usually spelled out as the word "acre".

## How to convert Acre To Hectare?

**1 ac = 1/2.471 ha**

1 acre (ac) is equal to 1/2.471 ha

### Example

Acre(ac) / 2.471 = Hectare (ha).

*100ac = 100 ac / 2.471 = 40.46944556859571 ha*

## Area Conversion

Acre

Hectare

Square Foot

Square Inch

Square Kilometer

Square Meter

Square Mile

Square Yard