Hectare to acre converter
1 hectare = 2.4711 acres
Exact conversion between hectares and acres, with a ready table, the formula and the Kerala thresholds (25 cents, 50 cents, 1 acre) you actually need it for.
1 hectare = 2.4711 acres. Multiply hectares by 2.4711 to get acres; divide acres by 2.4711 to get hectares. A cent is exactly 1/100 acre (435.6 sq ft, 40.4686 m²) and an are is 100 m² (2.4711 cents), so 20.23 ares on a Kerala thandaper is 50 cents and 10.12 ares is 25 cents.
Exact factors (1 acre = 4,046.8564224 m², 1 are = 100 m²). Reviewed 19 September 2026 by J Group Consultancy, Ernakulam.
Formula: acres = hectares × 2.4711 · hectares = acres × 0.404686
hectares to acres
| hectares | acres | square metres |
|---|---|---|
| 0.1 | 0.247105 | 1,000 |
| 0.25 | 0.617763 | 2,500 |
| 0.5 | 1.2355 | 5,000 |
| 1 | 2.4711 | 10,000 |
| 2 | 4.9421 | 20,000 |
| 3 | 7.4132 | 30,000 |
| 4 | 9.8842 | 40,000 |
| 5 | 12.3553 | 50,000 |
| 10 | 24.7105 | 1,00,000 |
| 20 | 49.4211 | 2,00,000 |
| 25 | 61.7763 | 2,50,000 |
| 50 | 123.5527 | 5,00,000 |
| 100 | 247.1054 | 10,00,000 |
| 500 | 1,235.53 | 50,00,000 |
| 1,000 | 2,471.05 | 1,00,00,000 |
Numbers that keep coming up in Kerala land paperwork
| Extent | Equals | Where it matters |
|---|---|---|
| 25 cents | 10.12 ares · 10,890 sq ft · 1,011.7 m² | Section 27A: no conversion fee up to 25 cents; 2025 affidavit route for Form 6 plots up to 25 cents not in the Data Bank |
| 50 cents | 20.23 ares · 21,780 sq ft · 2,023.4 m² | Form 6 limit — above 20.23 ares the application is Form 7 |
| 1 acre | 40.47 ares · 43,560 sq ft · 100 cents · 0.4047 ha | Section 27A slab changes above 1 acre |
| 1 are | 2.47 cents · 1,076.4 sq ft · 100 m² | The unit printed on the thandaper and basic-tax receipt |
| 1 hectare | 247.1 cents · 2.471 acres · 100 ares | Used in Data Bank entries and acquisition notifications |
Land units used in Kerala and India
| Unit | m² | cents | sq ft | Note |
|---|---|---|---|---|
| cent (cent) | 40.4686 | 1 | 435.6 | The everyday unit in Kerala and Tamil Nadu: 1/100 of an acre. |
| square foot (sq ft) | 0.092903 | 0.002296 | 1 | Used for house plans, flats and building permits. |
| are (are) | 100 | 2.4711 | 1,076.39 | The unit in Kerala revenue records (thandaper, basic-tax receipt, Ente Bhoomi resurvey). |
| acre (acre) | 4,046.86 | 100 | 43,560 | 100 cents. Used for estates, plantations and larger plots. |
| hectare (ha) | 10,000 | 247.1054 | 1,07,639.1 | 100 ares. Used in government notifications, land acquisition and the Data Bank. |
| square metre (m²) | 1 | 0.024711 | 10.7639 | Building rules (KMBR/KPBR) and fair-value notifications use square metres. |
| square yard (sq yd) | 0.836127 | 0.020661 | 9 | Also called gaj in north India; 9 square feet. |
| ground (ground) | 222.9673 | 5.5096 | 2,400 | Tamil Nadu (Chennai) unit: 2,400 square feet. |
| guntha (guntha) | 101.1714 | 2.5 | 1,089 | Karnataka / Maharashtra unit: 1,089 square feet, 1/40 of an acre. |
Questions about hectares and acres
How many acres is 1 hectare?
1 hectare = 2.4711 acres. To convert, multiply the number of hectares by 2.471054. The reverse: 1 acre = 0.404686 hectares.
How many cents are there in a hectare?
A hectare is 247.105 cents (2.471 acres, or 100 ares). Government notifications — land acquisition, the paddy-land Data Bank, Ente Bhoomi — use hectares and ares; multiply by 247.105 to get cents.
How many cents make an acre?
Exactly 100 cents make one acre (43,560 square feet). Half an acre is 50 cents, a quarter acre is 25 cents.
Which unit should I use in a Form 6 / Form 7 application?
The Revenue eServices portal takes the extent as it appears in your land records — ares (and square metres for fractions). Convert your deed extent from cents to ares before filing: cents × 0.404686 = ares. If the deed and the thandaper disagree after the digital resurvey, resolve that first; see /services/real-estate/digital-resurvey.
Need the land converted, not just the number?
We handle Form 5, 6 and 7 land conversion, digital resurvey corrections and title checks across Kerala — for owners here and NRIs abroad.