A Complete Guide About Land Measurement Units 

Square Feet (sq ft): Commonly used in the United States, the square foot is a unit of area equal to a square with sides of one foot each. It is used for measuring smaller areas of land, such as residential plots.

Square Meter (sq m): The square meter is the standard unit of area in the International System of Units (SI). It is commonly used worldwide for measuring land and is equivalent to a square with sides of one meter each.

Acre: An acre is a unit of area commonly used in the United States and some other countries. It is equivalent to 43,560 square feet or approximately 4,047 square meters. One acre is roughly the area of a football field.

Hectare: The hectare is a metric unit of area equal to 10,000 square meters or 2.471 acres. It is commonly used for measuring larger areas of land, such as farms or estates.

Square Kilometer (sq km): The square kilometer is a metric unit of area equal to 1,000,000 square meters or 100 hectares. It is used for measuring large areas of land, such as countries or regions.

Guntha: Guntha is a traditional unit of area used in parts of India, particularly in the state of Maharashtra. One guntha is equivalent to 1,089 square feet or approximately 101.17 square meters.

Bigha: Bigha is a unit of area used in South Asia, particularly in India, Bangladesh, and Nepal. It varies in size depending on the region, but one bigha is typically between 1/3 and 1 acre.

Ropani: Ropani is a unit of area used in Nepal. One ropani is equivalent to 508.72 square meters or approximately 5470 square feet.

Gaj: Gaj is a unit of area used in India, particularly in the northern states. One gaj is equivalent to 9 square feet or approximately 0.836 square meters.

Marla: Marla is a unit of area used in Pakistan, India, and Bangladesh. It varies in size depending on the region, but one marla is typically between 150 and 200 square feet.