Acre to Hectare Converter (ac to ha)

Q: What is the formula to convert Acre to Hectare?

The formula is: Hectare = Acre x 0.40468564. Multiply any Acre value by 0.40468564 to get the equivalent in Hectare.

Q: Is Acre bigger or smaller than Hectare?

Acre is smaller than Hectare. 1 Hectare = 2.47105382834933 ac.

Acre (ac)	Hectare (ha)
0.1 ac	0.04046856 ha
0.5 ac	0.20234282 ha
1 ac	0.40468564 ha
2 ac	0.80937128 ha
5 ac	2.0234282 ha
10 ac	4.0468564 ha
20 ac	8.0937128 ha
50 ac	20.234282 ha
100 ac	40.468564 ha
200 ac	80.937128 ha
500 ac	202.34282 ha
1000 ac	404.68564 ha
5000 ac	2023.4282 ha
10000 ac	4046.8564 ha

How to Convert Acre to Hectare

Formula: Hectare = Acre × 0.40468564

Example: 1 ac = 0.40468564 ha

You can also use the interactive converter above. Simply enter any Acre value and the equivalent Hectare value will appear instantly. Click the ⇄ button to reverse the conversion.

A little context on Acre and Hectare helps this conversion stick, along with some frequently asked questions below.

Step-by-step example — Convert 1 ac to ha:

      Step 1: 1 × 0.40468564 = 0.40468564 ha
    

What is Acre and Hectare?

An Acre (ac) is a traditional unit of land area equal to 43,560 square feet, historically based on the area a farmer could plow in a day.

A Hectare (ha) is a metric unit of area equal to 10,000 square meters, used worldwide for land measurement.

Real World Uses of Acre to Hectare Conversion

Acre: Commonly used for measuring farmland and rural property size.
Hectare: Commonly used for reporting forest, park and conservation area in metric countries.
Acre: Commonly used in the US, UK and India for pricing and describing land and farmland.
Hectare: Commonly used worldwide for agricultural land, forests and conservation areas.

Frequently Asked Questions

What is the formula to convert Acre to Hectare?

The formula is: Hectare = Acre x 0.40468564. Multiply any Acre value by 0.40468564 to get the equivalent in Hectare.

What is 1 Acre in Hectare?

1 ac = 0.40468564 ha.

How many Acre are in 1 Hectare?

1 ha = 2.47105382834933 ac.

Is Acre bigger or smaller than Hectare?

Acre is smaller than Hectare. 1 Hectare = 2.47105382834933 ac.

What is 5 ac in ha?

5 ac = 2.0234282 ha.

What is 10 ha in ac?

10 ha = 24.71053828 ac.

Where does the acre come from?

The acre was historically defined as the area of land a farmer with an ox could plow in a single day — it's still legally defined today as exactly 43,560 square feet.