Convert Square Mile to Hectare

One sq mi equals 258.998811 ha. This converter allows you to easily convert between Square Mile and Hectare in real time.

Formula

sq mi × 258.998811 = ha

Example: 1 sq mi = 258.998811 ha

What is Square Mile?

The square mile is a unit of area in the imperial and US customary systems, equal to a square with sides of one mile, or exactly 640 acres. In the United States and United Kingdom, it is used for the areas of counties, states, cities, and other large regions. Manhattan Island in New York City covers about 23 square miles, and the City of London is just 1.12 square miles. Population density figures in English-speaking countries are typically given as persons per square mile.

What is Hectare?

The hectare is a unit of area equal to 10,000 square meters, or a square 100 meters on each side. It is the most common unit for reporting agricultural land area worldwide. One hectare is roughly the size of 1.4 soccer fields or 2.47 acres. National parks, vineyards, and urban green spaces are often described in hectares. Although not an official SI unit, the hectare is accepted for use with the SI and is recognized by the International Bureau of Weights and Measures.