# Acres to Hectares Converter

Whether you need to convert the **surface of your plot** or are studying geography, our acres to hectares converter will be helpful!

Keep reading to learn:

**What is an acre**;**What is a hectare**;- How to convert from acres to hectares; and
- Some neat examples.

## What is an acre?

An **acre** is a surface measurement unit of the **US customary system**. It corresponds to $1/640$ square miles. The traditional acre is defined as the area with sides equal to **one chain** and **one furlong**, two traditional — and today obsolete — length measurement units.

Given that:

- A
**chain**is $66$ feet long; and - A
**furlong**is $660$ feet long;

We can think of the acre as

🙋 You can indicate the acres in your measurements both with the extended form $\text{acre}$, or with $\text{ac}$ .

The acre is both an old measurement unit and a unit used in agriculture: these features give it a colorful history and origin!

**Many countries used the acre** in the past specifically to measure the size of arable land and of properties. Its definition was often dependent on the **work done in a certain time**. In particular, the traditional acre corresponds to the surface that a single man can work in a day with the help of a single team of oxen.

Nowadays, thanks to technology, a single man can work way more than an acre a day!

## What is a hectare?

A hectare, symbol $\text{ha}$, is a unit similar to the acre in scope but different when it comes to definition.

First of all, the hectare originates within the **metric system**: it is nothing but a **square** with sides equal to $100\ \text{m}$. This gives us the conversion:

Hectares are commonly used across the world to measure fields, land, and plots. Do you know that an official **rugby field** has a **surface of almost exactly one hectare**? Luckily, we don't measure surfaces in rugby fields!

## Acres to hectares conversion

The **conversion between acres and hectares** is a useful one, for sure. To convert acres to hectares, use the following formula:

As you can see, the acre is slightly smaller than half a hectare. If you are more familiar with fractions, you can use an alternative approximate formula:

## How to use our acres to hectares converter

To know how many hectares are to an acre or to **any value** you need, use our **acres to hectares converter**. You only have to insert the measurement in the appropriate field, and we will do all the math!

Do you want to know how many hectares is the **Yellowstone National Park**? Here we are. The park has a staggering surface of $2,219,791\ \text{acres}$. To put this number in perspective, four US States are smaller than the park: Rhode Island, Delaware, Connecticut, and New Jersey. To calculate how many hectares correspond to that number, apply the conversion:

This incredible amount of land is worth protecting: a speckle of Nature we need to preserve.

## Other surface conversion tools!

We covered almost all of the possible conversions between measurement units for the area! Here is a comprehensive list:

- Area conversion;
- Square feet converter;
- Square feet to acres converter;
- Acres to square feet converter;
- Square inch to square foot converter;
- Square meter converter;
- Square centimeters to square millimeters converter;
- Square meters to square feet converter;
- Square miles to square km converter;
- Cent to square meter converter;
- Gaj to square yard converter;
- Katha to square feet converter;
- Square yard converter; and
- Hectares to acres converter.

## FAQ

### How many hectares is the Hundred Acres Wood?

`40.4 ha`

. The forest where Winnie-the-Pooh and his friends reside has a surface — at least in the stories by Milne — of `100 acres`

. Apply the conversion between acres and hectares to find the value of its surface in the metric unit:

`100 acres = 100 × 0.404 ha = 40.4 ha`

### How do I convert from acres to hectares?

To convert from acres to hectares:

- Measure the surface using the US surface measurement unit;
- Multiply that quantity by
`0.404686`

; - You are all set!

### How many hectares are in an acre?

About `0.4`

. An acre covers a smaller surface than a hectare. To calculate the hectares from the acres, you can either:

- Multiply the measurement in acres by
`0.404686`

; or - Divide the measurement in acres by
`2.471`

.

### What are 5 acres in hectares?

`5`

acres is about `2`

hectares. Use the following conversion to find out how many hectares are in `2`

acres:

`1 acre = 1/2.5 ha`

Then simply substitute the known values:

`5 acres = 5/2.5 ha = 2 ha`

This formula is most helpful when you deal with multiples of 5!