Nepal Land Measurement Guide — Ropani, Kattha, Bigha Explained

Nepal uses two distinct traditional land measurement systems depending on geography. The Hill region (including Kathmandu Valley, Pokhara, and the mountainous areas) uses the Ropani-Aana-Paisa-Dam system, while the Terai (southern plains) uses the Bigha-Kattha-Dhur system.

Understanding these systems is essential for anyone buying, selling, or registering land in Nepal. This guide explains both systems in detail, provides complete conversion tables, and covers the basics of land registration.

Hill Region: Ropani-Aana-Paisa-Dam System

The Ropani system is used throughout Nepal's Hill and Mountain regions, including Kathmandu Valley — the country's most expensive real estate market. The hierarchy is:

Key relationships to memorize:

• 1 Ropani = 4 Aana = 16 Paisa = 64 Dam
• 1 Ropani = 508.72 sq. meters = 5,476 sq. feet
• 1 Ropani = 0.0509 hectares
• 19.66 Ropani = 1 hectare

Reading Hill Land Measurements

Land in the Hill region is typically expressed as a combination of units. For example:

• 2 Ropani 3 Aana 2 Paisa 1 Dam — This means the plot is 2 full Ropani plus 3 Aana plus 2 Paisa plus 1 Dam, totaling approximately 1,414 square meters.
• 0-8-0-0 (shorthand notation) — This means 0 Ropani, 8 Aana, 0 Paisa, 0 Dam = 2 Ropani (since 8 Aana = 2 Ropani). Wait — actually 8 Aana = 2 Ropani only if the system wraps at 4, so 8 Aana = 1,017.44 sq.m.

Terai Region: Bigha-Kattha-Dhur System

The Bigha system is used in the Terai (southern lowlands) of Nepal, including cities like Biratnagar, Birgunj, Nepalgunj, and Dhangadhi. This system is also used in parts of northern India and Bangladesh.

Key relationships:

• 1 Bigha = 20 Kattha = 400 Dhur
• 1 Bigha = 6,772.63 sq. meters = 72,900 sq. feet
• 1 Bigha = 0.6773 hectares
• 1.476 Bigha = 1 hectare

Reading Terai Land Measurements

Terai land is expressed as Bigha-Kattha-Dhur. For example:

• 1 Bigha 5 Kattha 10 Dhur — This equals 6,772.63 + (5 x 338.63) + (10 x 16.93) = approximately 8,635 square meters.
• 0-10-0 (shorthand) — This means 0 Bigha, 10 Kattha, 0 Dhur = 3,386.3 square meters, or half a Bigha.

Cross-System Conversion Table

Since Hill and Terai use different systems, cross-conversion is often needed — especially when comparing land values across regions:

For instant conversions, use our Land Measurement Converter tool.

Metric System Equivalents

For international reference and official documentation, here are the metric equivalents:

Historical Context: Why Nepal Has Unique Land Units

Nepal's land measurement systems have roots going back centuries, long before modern standardization efforts:

• Ropani — The word comes from "rop" (रोप), meaning to plant rice seedlings. One Ropani was historically the amount of land that could be planted with rice in one session. The Ropani system was standardized during the Rana period (1846–1951) for the Hill region.
• Bigha — This unit is shared with the Indian subcontinent. The word likely derives from Sanskrit. The Terai's flat agricultural land naturally adopted the same measurement system used across the northern Indian plains. One Bigha in Nepal (6,772.63 sq.m.) differs slightly from the Indian Bigha, which varies by state.
• Muri — An older unit sometimes still mentioned, originally based on the amount of land that could be seeded with one muri (about 73 liters) of grain. Approximately equal to 1 Ropani.

Despite the Nepal Government's official adoption of the metric system, these traditional units persist because all historical land records (lalpurja — land ownership certificates) use them, and the real estate market continues to price land in Ropani or Kattha.

Land Registration Process Overview

If you are buying or selling land in Nepal, here is a simplified overview of the registration process:

1. Due diligence: Verify the land ownership certificate (लालपुर्जा, lalpurja) at the local Land Revenue Office (मालपोत कार्यालय). Check that the seller's name matches the records.
2. Agreement: Both parties sign a sale agreement (बैनामा, bainama). This includes the land area (in Ropani or Bigha), location (ward, municipality, district), and agreed price.
3. Valuation and tax: The Land Revenue Office assesses the land value based on the government minimum rate (न्यूनतम मूल्य). Capital gains tax and registration fees are calculated on the transaction amount or government rate, whichever is higher.
4. Tax payment: The buyer pays the registration fee (typically 4% for Kathmandu Valley) and the seller pays capital gains tax (5% for property held over 5 years, 7.5% for less than 5 years).
5. Registration: The Land Revenue Office updates the ownership record and issues a new lalpurja in the buyer's name.

Use our Tax Calculator to estimate the taxes and fees involved in a land transaction.

Common Land Transaction Terminology

Here are important terms you will encounter when dealing with land in Nepal:

Tips for Land Buyers in Nepal

• Always verify the lalpurja at the Land Revenue Office — do not rely solely on the physical document shown by the seller.
• Check for encumbrances — Ensure there are no mortgages, liens, or legal disputes on the property.
• Verify the naapi (survey) map — Make sure the physical boundaries match the survey records.
• Understand the measurement system — Know whether the area is quoted in Ropani (Hill) or Kattha/Bigha (Terai) and convert to square meters for comparison.
• Budget for taxes and fees — Registration fees (4% in Kathmandu Valley), capital gains tax, and service charges add significantly to the transaction cost.
• Hire a legal professional — A lawyer or licensed land broker can help navigate the process and prevent fraud.

Land Measurement Tools

Online Calculator Nepal provides free tools to help you with land measurements and related calculations:

• Land Measurement Converter — Convert between Ropani, Aana, Paisa, Dam, Bigha, Kattha, Dhur, square meters, and more
• Tax Calculator — Estimate taxes on land transactions

Frequently Asked Questions