How to convert acres to bighas
To convert acres to bighas, multiply the value by the conversion factor 3.025. To go the other way, multiply by 0.3305785124 (or divide by 3.025).
Worked example: 5 ac to bigha
- Write the value: 5 ac
- Multiply by 3.025: 5 × 3.025
- Result: 15.125 bigha
Acre to Bigha conversion table
Quick reference values, rounded to 6 significant digits.
| Acre (ac) | Bigha (bigha) |
|---|---|
| 0.1 ac | 0.3025 bigha |
| 0.25 ac | 0.75625 bigha |
| 0.5 ac | 1.5125 bigha |
| 1 ac | 3.025 bigha |
| 2 ac | 6.05 bigha |
| 3 ac | 9.075 bigha |
| 4 ac | 12.1 bigha |
| 5 ac | 15.125 bigha |
| 6 ac | 18.15 bigha |
| 7 ac | 21.175 bigha |
| 8 ac | 24.2 bigha |
| 9 ac | 27.225 bigha |
| 10 ac | 30.25 bigha |
| 12 ac | 36.3 bigha |
| 15 ac | 45.375 bigha |
| 20 ac | 60.5 bigha |
| 25 ac | 75.625 bigha |
| 30 ac | 90.75 bigha |
| 40 ac | 121 bigha |
| 50 ac | 151.25 bigha |
| 75 ac | 226.875 bigha |
| 100 ac | 302.5 bigha |
| 250 ac | 756.25 bigha |
| 500 ac | 1,512.5 bigha |
| 1,000 ac | 3,025 bigha |
Bigha to Acre
| bigha | ac |
|---|---|
| 1 bigha | 0.330579 ac |
| 5 bigha | 1.65289 ac |
| 10 bigha | 3.30579 ac |
| 50 bigha | 16.5289 ac |
| 100 bigha | 33.0579 ac |
1 Acre in other area & land units
About Acre and Bigha
What is a acre (ac)?
An acre equals 43,560 square feet or 100 decimal. It is used for agricultural land in Bangladesh, India, the UK and the US.
What is a bigha (bigha)?
A bigha (বিঘা) equals 20 katha. The standard bigha in Bangladesh is 14,400 square feet, or about 33 decimal. Local values may vary.
Important for land buyers: traditional units like katha and bigha differ between districts. This converter uses the standard values used in Dhaka and most official calculations: 1 katha = 720 sq ft, 1 bigha = 20 katha = 14,400 sq ft, 1 decimal (shotok) = 435.6 sq ft, 1 acre = 100 decimal. Always confirm the local value written in your deed (দলিল) or with the land office (AC Land).
Where acre to bigha conversion is used
Area & land conversions are needed for buying and selling land, flats, deed (dolil) records, construction planning and farming. Converting between acres and bighas is especially common when you compare products, read foreign specifications, or fill in forms that expect a specific unit.
Need every unit at once? Use the full Area & Land Converter.
Frequently asked questions
How many bighas are in 1 acre?
1 Acre equals 3.025 bigha.
How do I convert acres to bighas?
Multiply the number of acres by 3.025. For example, 5 ac × 3.025 = 15.125 bigha.
What is 5 ac in bigha?
5 ac = 15.125 bigha.
How many acres are in 1 bigha?
1 Bigha equals 0.330579 ac. Use the Bigha to Acre converter for the reverse direction.
Is this Acre to Bigha converter accurate?
Yes. It uses exact internationally defined conversion factors and the standard Bangladeshi values for traditional units, calculated with full floating-point precision. Results are displayed rounded for readability.