Bigha: India’s Traditional Land Measurement Unit Explained

Bigha is a traditional land measurement unit used across northern and eastern India with no fixed standard size. It varies from 6,806 square feet in Uttarakhand to 27,225 square feet in Uttar Pradesh and Bihar depending on the state. This guide covers state-wise bigha to square feet conversions, sub-units like katha and biswa, pucca vs kaccha bigha and how to calculate land area accurately before any property transaction.

What is Bigha?

Bigha is a traditional unit of land measurement used across India, Nepal and Bangladesh. It is one of the oldest ways people in rural and semi-urban India measure land and it is still widely used today in property documents, land deals and agricultural transactions.

The most important thing to know about bigha is that there is no single fixed size for it. One bigha in Uttar Pradesh is not the same as one bigha in West Bengal or Punjab. The value changes from state to state and sometimes even from one district to the next within the same state. This is why understanding bigha conversions before buying or selling land is so important.

On average one bigha ranges from around 8,700 square feet in some states to over 27,000 square feet in others.

Why Does Bigha Vary Across States?

Before India adopted a standardised measurement system each region used its own local land units based on what was practical for farming and trade in that area. Bigha was one such unit and different kingdoms, zamindars and colonial administrations each used slightly different sizes depending on local custom.

After independence India moved toward metric and standard units like square feet, acres and hectares for official records. But traditional units like bigha never went away. Farmers and landowners continued using them in daily transactions and the values got locked in differently across different states.

This is why today you will find pucca bigha and kaccha bigha in some northern states and completely different conversion rates in eastern states like Assam and West Bengal.

1 Bigha to Square Feet — State-Wise Conversion Table

This is the most important table if you are dealing with land in India. Always confirm the local value before making any calculations.

These values are the most commonly used in each state but can vary at district level. Always verify with local land records before finalising any transaction.

1 Bigha in Other Standard Units

If you need to convert bigha to other commonly used units here are the general reference values used in most of northern India where 1 bigha is approximately 27,000 square feet.

How to Convert Bigha to Square Feet

The formula is straightforward once you know your state-specific conversion value.

Formula: Square Feet = Number of Bigha × State-specific Bigha value

If you have 3 bigha of land in Uttar Pradesh the calculation is 3 × 27,000 which gives you 81,000 square feet. In West Bengal the same 3 bigha gives you 3 × 14,400 which equals 43,200 square feet. In Punjab it comes to 3 × 9,070 which is 27,210 square feet.

The difference between the same 3 bigha in different states is enormous. This is exactly why confirming the local bigha value before any land transaction is not optional. It is necessary.

Bigha to Acres Conversion

Use this formula: Acres = Number of Bigha × State-specific conversion factor.

For the reverse conversion the most commonly used value in northern India is 1 acre equals 1.6 bigha. So 5 acres equals 5 × 1.6 which gives you 8 bigha in the UP and Bihar standard.

Bigha and Its Sub-Units

Bigha is divided into smaller units that are used in day to day land transactions. These also vary by state.

Sub-Units in Uttar Pradesh and Bihar

1 bigha equals 20 katha, 1 katha equals 20 dhur and 1 dhur equals 68 square feet.

1 bigha equals 5 katha, 1 katha equals 20 lessa and 1 lessa equals 144 square feet.

Sub-Units in West Bengal

1 bigha equals 20 katha and 1 katha equals 720 square feet.

Sub-Units in Rajasthan

1 bigha equals 20 biswa and 1 biswa equals approximately 1,361 square feet.

Pucca Bigha and Kaccha Bigha

Some states in northern India have two types of bigha that are used for different types of land transactions.

What is Pucca Bigha?

Pucca bigha is the larger measurement and is used in official or formal land records. In UP it is approximately 27,225 square feet.

What is Kaccha Bigha?

Kaccha bigha is smaller and is typically used in informal or agricultural land transactions. In UP it is approximately 13,612 square feet which is roughly half the pucca bigha.

You will mostly encounter this distinction in Uttar Pradesh, Bihar, Rajasthan and Uttarakhand. Always confirm which type of bigha is being used in a property document before signing anything.

Why Bigha Still Matters in 2026

You might wonder why a unit with no standard definition is still being used in a country that has the RERA Act requiring square feet as the standard for residential transactions. The answer is practical and cultural.

For agricultural land farmers have been measuring in bigha for generations. When a seller says three bigha the local buyer immediately knows the rough size because they grew up understanding it that way. The number feels concrete even if its technical equivalence varies.

For residential plots in rural and semi-urban India local brokers and buyers often still negotiate in bigha. Land documents from decades ago record area in bigha. When you inherit land or buy agricultural plots bigha is often what you will encounter in the paperwork.

The important thing is to always convert to square feet or acres before making a financial decision. Bigha gives you local context. Square feet gives you precision.

Other Indian Land Measurement Units

Bigha is just one of many traditional land units across India. Here is a quick reference for the most common ones.

North India Units

North India uses biswa at approximately 1,350 sq ft, kanal at 5,445 sq ft in Punjab, Haryana and Himachal and marla at 272 sq ft.

South India Units

South India uses cent at 435.6 sq ft in Tamil Nadu and Kerala, ground at 2,400 sq ft in Tamil Nadu and guntha at 1,089 sq ft.

East India Units

East India uses dhur at 68 sq ft in Bihar and UP, lessa at 144 sq ft in Assam and chatak at 45 sq ft in West Bengal.

Standard Units for Reference

1 acre equals 43,560 sq ft, 1 hectare equals 107,639 sq ft and 1 square metre equals 10.76 sq ft.

Key Takeaways

Bigha is one of India’s oldest and most widely used traditional land measurement units. It is common across 12 plus states including UP, Bihar, Rajasthan, West Bengal, Assam, Punjab, Haryana, Himachal Pradesh and Gujarat.

The size of one bigha is not fixed. It ranges from about 6,800 square feet in Uttarakhand to 27,225 square feet in UP and Bihar.

Before buying, selling or mortgaging land measured in bigha always confirm the locally accepted conversion for that specific state and district. Use a land area calculator to cross-check your numbers. Make sure official property documents carry the measurement in square feet, acres or hectares as required under RERA for residential transactions.