Hectares to Acres Converter
Updated Formulas shown
One hectare is 2.47105 acres — a 100 × 100 m square, or 10,000 m² (107,639 ft²).
Formula: acres = hectares × 2.4710538147 (exact ratio, shown rounded)
Common values: hectares → acres
| hectares | acres |
|---|---|
| 2.47105 ac | |
| 4.94211 ac | |
| 7.41316 ac | |
| 12.3553 ac | |
| 24.7105 ac | |
| 49.4211 ac | |
| 61.7763 ac | |
| 123.553 ac | |
| 247.105 ac | |
| 617.763 ac | |
| 1,235.53 ac | |
| 2,471.05 ac |
1 ha in every area unit
- 10,000,000,000 mm²
- 100,000,000 cm²
- 10,000 m²
- 0.01 km²
- 15,500,000 in²
- 107,639 ft²
- 11,959.9 yd²
- 2.47105 ac
- 0.00386102 mi²
How to convert hectares to acres
- Type the value in hectares into the converter (or into the right-hand box to go the other way).
- Multiply by 2.4710538147 to get acres.
- Round to a sensible precision with the Decimals control; the table below covers the values people look up most.
Hectare to acre formula
acres = hectares × 2.4710538147 — 1 ha = 2.47105381 ac. Both units are defined exactly (NIST SP 811); the factor above is rounded to 10 decimals, and the converter uses the full-precision ratio.
ha to ac conversion table
| hectares | acres | square feet | m² |
|---|---|---|---|
| 0.1 | 0.247 | 10,764 | 1,000 |
| 0.2 | 0.494 | 21,528 | 2,000 |
| 0.25 | 0.618 | 26,910 | 2,500 |
| 0.5 | 1.236 | 53,820 | 5,000 |
| 0.75 | 1.853 | 80,729 | 7,500 |
| 1 | 2.471 | 107,639 | 10,000 |
| 1.5 | 3.707 | 161,459 | 15,000 |
| 2 | 4.942 | 215,278 | 20,000 |
| 2.5 | 6.178 | 269,098 | 25,000 |
| 3 | 7.413 | 322,917 | 30,000 |
| 4 | 9.884 | 430,556 | 40,000 |
| 5 | 12.355 | 538,196 | 50,000 |
| 10 | 24.711 | 1,076,391 | 100,000 |
| 15 | 37.066 | 1,614,587 | 150,000 |
| 20 | 49.421 | 2,152,782 | 200,000 |
| 25 | 61.776 | 2,690,978 | 250,000 |
| 40 | 98.842 | 4,305,564 | 400,000 |
| 50 | 123.553 | 5,381,955 | 500,000 |
| 100 | 247.105 | 10,763,910 | 1,000,000 |
| 250 | 617.763 | 26,909,776 | 2,500,000 |
| 500 | 1,235.527 | 53,819,552 | 5,000,000 |
| 1,000 | 2,471.054 | 107,639,104 | 10,000,000 |
Picturing a hectare
A hectare is about 1.9 American football fields including end zones, or a square 328 ft on a side. Land outside the US is listed in hectares; seed, lime and fertilizer rates in kg/ha convert to lb/acre by multiplying by 0.892.
Related converters & calculators
- Acres to Hectares Converter1 acre = 0.404686 ha.
- Square Feet to Acres ConverterConvert square feet to acres instantly.
- Acres to Square Feet ConverterConvert acres to square feet (1 acre = 43,560 ft²), plus square yards, square meters and hectares.
- Square Yards to Square Meters Converter1 yd² = 0.836127 m².
- Unit ConverterEvery unit in one fast converter.
Frequently asked questions
How many acres is a hectare?
2.47105 acres.
Which is bigger, a hectare or an acre?
A hectare — almost 2.5 times bigger.
How many square feet in a hectare?
107,639 ft².
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