📐 bigha to ac — Bigha to Acre Converter

Convert area units — square meters, square feet, acres, hectares, cents, grounds and more.

1 unit =
From
To
Formula 1 bigha = 0.62499815 ac
UnitNameValue
0.001 bigha0.000624998 ac
0.01 bigha0.00624998 ac
0.1 bigha0.0624998 ac
1 bigha0.624998 ac
5 bigha3.12499 ac
10 bigha6.24998 ac
50 bigha31.2499 ac
100 bigha62.4998 ac
1000 bigha624.998 ac
Last updated: March 2026

Bigha to Acre Conversion Table

Common bigha values converted to acre — factor: 1 bigha = 0.625 ac

Bigha (bigha)Acre (ac)Context
0.25 bigha0.1562 acQuarter bigha
0.5 bigha0.3125 acHalf bigha
1 bigha0.625 acOne bigha
2 bigha1.25 acSmall farm
5 bigha3.125 acMedium farm
10 bigha6.25 acLarge farm
20 bigha12.5 acLarge estate
50 bigha31.25 acVillage land
100 bigha62.5 acVillage land
250 bigha156.2 acLarge estate
500 bigha312.5 acLarge farm
1,000 bigha625 acVery large farm
5,000 bigha3,125 acTownship
1e+04 bigha6,250 acTownship
5e+04 bigha3.125e+04 acTownship

About Bigha to Acre Conversion

Converting bigha to acre is common in real estate, agriculture, surveying, and construction. Property listings, land records, and planning documents often use different area units depending on the country or industry — making accurate conversion essential for cross-border transactions and international comparisons.

As a practical reference: 5 bigha = 3.125 acre and 10 bigha = 6.25 acre. For larger land areas, 100 bigha = 62.5 acre — a common benchmark for farm and estate valuations. The reverse: 1 ac = 1.6 bigha.

All conversions use the internationally recognized factor of exactly 1 bigha = 0.625 ac. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.

Quick Answer

Formula: Acre = Bigha × 0.62499815

Multiply any bigha value by 0.62499815 to get acre. One bigha equals 0.62499815 ac.

Reverse: Bigha = Acre × 1.6000047

Worked Examples

One bigha
1 bigha × 0.62499815 = 0.62499815 ac
1 bigha = 0.625 acres (standard UP).
One acre
1.6 bigha × 0.62499815 = 0.99999703 ac
1.6 bighas = 1 acre.
10 bighas
10 bigha × 0.62499815 = 6.2499815 ac
10 bighas = 6.25 acres.
100 bighas
100 bigha × 0.62499815 = 62.499815 ac
100 bighas = 62.5 acres.

Mental Math Tricks

× 0.625 (UP standard)

Bighas × 0.625 = acres (Uttar Pradesh standard). 1.6 bighas = 1 acre.

1.6 bigha = 1 ac

One and a half bighas plus one-tenth ≈ one acre.

Reverse

Acres × 1.6 = bighas.

Who Uses This Conversion?

UP Farmer

Measures agricultural holdings in bighas for state government land records.

North Indian Land Owner

Buys and sells farmland quoted in bighas across UP, Bihar, and Rajasthan.

Indian Revenue Official

Maintains Khasra/Khatauni land records with area in bighas and biswas.

Agricultural Lender

Assesses crop loan eligibility based on land area in bighas.

NRI Buyer

Converts bighas to acres or m² to evaluate ancestral land holdings.

Land Consolidation Officer

Redistributes agricultural land in bighas during government schemes.

Frequently Asked Questions

About Bigha and Acre

Bigha (bigha)

The bigha is a traditional South Asian unit of land area whose size varies significantly by region. In West Bengal, 1 bigha = 1,600 m²; in Uttar Pradesh, 1 bigha ≈ 2,529 m²; in Rajasthan, it can be larger.

Bigha is widely used across India, Nepal, and Bangladesh for agricultural land measurement in rural property transactions and government land records.

Interesting fact: The bigha is not standardized — its size varies from 843 m² (in Himachal Pradesh) to 3,025 m² (in some parts of Rajasthan), making local context essential.

Acre (ac)

The acre is a unit of land area equal to 43,560 square feet or about 4,047 m². Its origins trace to medieval England where it represented the amount of land an ox could plough in a day.

Acres remain the standard land measurement unit in the US, UK, Canada, and India for agriculture, real estate, and property transactions.

Interesting fact: A US football field (including end zones) is about 1.32 acres, and a typical suburban house plot in the US is roughly 0.2 acres.