1 hectares to acres
2.47 ac
1 ha = 2.47 ac.
acres
2.47ac
1 ha = 2.47 ac
The short answer
How many acres is 1 hectares?
1 ha = 2.47 ac. 1 hectare = 2.471054 acres, so the working is 1 × 2.471054 = 2.47.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 hectare = 2.471054 acres 1 × 2.471054 = 2.47
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (ac) | Off by |
|---|---|---|
| Whole number | 2 | −0.47105 |
| 1 decimal | 2.5 | +0.02895 |
| 2 decimals | 2.47 | −0.00105 |
Round trip: take 2.47 ac back the other way and you land on 0.9996 ha — a drift of 0.0004 ha. That gap is the rounding, not the conversion.
What 1 ha looks like
1 ha
A hectare is 10,000 square metres, a square 100 metres on each side, and equals 2.471 acres.
Frequently asked questions
What is 1 hectares in acres?
1 hectares is 2.47 acres. 1 hectare = 2.471054 acres, so the working is 1 × 2.471054 = 2.47.
How accurate is 2.47 ac?
Rounding to 2.47 ac and converting straight back gives 0.9996 ha, a drift of 0.0004 ha from the 1 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
Hectares to Acres Converter
Land area from hectares to acres — a hectare is just under two and a half acres.
Open the hectares to acres converter →