Acre to hectare
1 acre = ≈ 0.404686 hectare. Convert acre to hectare for land in Odisha, with a table of common values and every other unit.
Change the area or unit to recalculate.
Type it as your RoR shows it, such as 0.0400 Ac or 4 dec, and the unit is picked for you.
Odisha uses two decimals. Records and most land deals count 100 decimals to the acre (1 decimal = 435.6 ft²). IGR Odisha’s calculator also offers 1,000 to the acre (1 = 43.56 ft²). So 0.040 acre is 4 of the first kind, or 40 of the second: check which your document means.
Equivalent area
- Acre
- 1 ac
- Decimal (100 = 1 acre)
- 100 dec
- Square feet
- 43,560 ft²
- Decimal (1000 = 1 acre)
- 1,000 dec
- Square metres
- ≈ 4,046.856422 m²
- Hectare
- ≈ 0.404686 ha
- Square yards
- 4,840 yd²
Results marked ≈ are rounded to 6 decimal places. Very small positive results are shown as less than 0.000001.
Units & calculation
1 acre = 100 decimals = 43,560 ft². IGR Odisha also offers a decimal of 1/1000 acre (43.56 ft²). 1 hectare = 10,000 m². 1 yd² = 9 ft². Conversions use the international foot; the recorded area stays unchanged.
Bigha, guntha and other local units need a verified regional definition and are not included here.
Common values
| Acre | Hectare |
|---|---|
| 1 | ≈ 0.404686 |
| 2 | ≈ 0.809371 |
| 3 | ≈ 1.214057 |
| 4 | ≈ 1.618743 |
| 5 | ≈ 2.023428 |
| 10 | ≈ 4.046856 |
| 25 | ≈ 10.117141 |
| 50 | ≈ 20.234282 |
| 100 | ≈ 40.468564 |