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Hectare to Acre Converter

Type a value — the answer appears instantly. 1 ha = 2.471054 ac.

Reviewed by the OmniCalc teamMethod verified 2026-07-01

From unit

To unit
Result

2.471054 acres

= 10,000 m²= 107,639 ft²

equals 2.471054 acres

Formula: ac = ha × 2.4710538

Hectare to Acre formula

ac = ha × 2.4710538

Convert 5 hectares to acres

  1. Start with 5 hectares.
  2. Multiply by the conversion factor: 5 × 2.47105 = 12.35527.
  3. So 5 ha = 12.35527 ac.

Hectare to Acre conversion table

Hectare to Acre conversion table
Hectares (ha)Acres (ac)
0.01 ha0.02471054 ac
0.1 ha0.2471054 ac
0.25 ha0.6177635 ac
0.5 ha1.235527 ac
1 ha2.471054 ac
2 ha4.942108 ac
3 ha7.413161 ac
4 ha9.884215 ac
5 ha12.35527 ac
6 ha14.82632 ac
7 ha17.29738 ac
8 ha19.76843 ac
9 ha22.23948 ac
10 ha24.71054 ac
15 ha37.06581 ac
20 ha49.42108 ac
25 ha61.77635 ac
30 ha74.13161 ac
40 ha98.84215 ac
50 ha123.5527 ac
75 ha185.329 ac
100 ha247.1054 ac
250 ha617.7635 ac
500 ha1,235.527 ac
1,000 ha2,471.054 ac
5,000 ha12,355.27 ac
10,000 ha24,710.54 ac

Unit definitions

What is a hectare?

The hectare is exactly 10,000 square metres, the area of a 100-metre square. It is the standard metric unit for measuring land, farms, and forests. One hectare is about 2.471 acres.

What is a acre?

The acre is exactly 4840 square yards, about 4046.86 square metres or 0.405 hectares. It is the traditional unit for land area in the United States and United Kingdom. An acre was historically the area a yoke of oxen could plough in a day.

Frequently asked questions

How many acres are in one hectare?

One hectare equals 2.471054 acres (1 ha = 2.471054 ac).

How do I convert hectares to acres?

Multiply the value in hectares by 2.47105. For example, 10 ha × 2.47105 = 24.71054 ac.

Which is bigger — a hectare or a acre?

A hectare is bigger: one hectare contains 2.471054 acres.

Is this hectare to acre converter free?

Yes — the converter is free, works offline once loaded, and computes instantly in your browser without sending your numbers to a server.

Conversion factors follow international definitions (SI / NIST). Last verified 2026-07-01.