Area Calculator › Acres to Hectares

Acres to Hectares Converter

Convert acres to hectares and back, the US and metric units for land area.

Acres ⇄ Hectares
acres
=
ha
Result10 acres = 4.047 ha
Quick answer
One acre is 0.4047 hectares, so multiply acres by 0.4047 to get hectares. A hectare is larger, at 2.471 acres, and is a 100-metre square. Ten acres is about 4.05 hectares.

Conversion table

Acres (acres)Hectares (ha)
1 acres0.405
2 acres0.809
5 acres2.023
10 acres4.047
20 acres8.094
50 acres20.234
100 acres40.469
500 acres202.343

How to convert Acres to Hectares

hectares = acres × 0.4047reverse: acres = hectares × 2.471
acres
land area in acres
ha
land area in hectares
0.4047
hectares in an acre

A hectare is 10,000 square metres, a square 100 m on each side. An acre is 43,560 square feet.

Frequently asked questions

How many hectares is an acre?

About 0.4047 hectares.

How many acres is a hectare?

About 2.471 acres.

How big is a hectare?

A square 100 metres on each side, or 10,000 square metres.

How many hectares is 10 acres?

About 4.05 hectares.