Formula
ha to ac conversion formula
Use this relationship for a direct conversion:
Worked example
2 ha = 4.9421076293 ac.
Values derived from exact metric and international length definitions.
Area conversion
1 hectare (ha) equals 2.471053814672 acre (ac). Enter any value below to convert from ha to ac.
Enter a value and choose units. Results update instantly.
1 ha = 2.4710538147 ac
| Unit | Value |
|---|---|
| Square meter m² | 10,000 |
| Square kilometer km² | 0.01 |
| Square centimeter cm² | 100,000,000 |
| Square millimeter mm² | 10,000,000,000 |
| Square inch in² | 15,500,031.000062 |
| Square foot ft² | 107,639.1041670972 |
| Square yard yd² | 11,959.9004630108 |
| Square mile mi² | 0.0038610216 |
| Acre ac | 2.4710538147 |
| Hectare ha | 1 |
Formula
Use this relationship for a direct conversion:
2 ha = 4.9421076293 ac.
Values derived from exact metric and international length definitions.
Quick reference
| Hectare (ha) | Acre (ac) |
|---|---|
| 0.01 | 0.0247105381 |
| 0.1 | 0.2471053815 |
| 1 | 2.4710538147 |
| 2 | 4.9421076293 |
| 5 | 12.3552690734 |
| 10 | 24.7105381467 |
| 25 | 61.7763453668 |
| 50 | 123.5526907336 |
| 100 | 247.1053814672 |
| 1,000 | 2,471.0538146717 |
From unit
Exactly 10,000 square meters.
Symbol: ha
To unit
Exactly 43,560 square feet.
Symbol: ac
Keep converting
Source
Definitions are checked against NIST SP 811: Area units. Calculations use full internal precision before display rounding.
View the complete area converterQuestions
Use the formula ac = ha x 2.471053814672. 1 hectare (ha) equals 2.471053814672 acre (ac).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.