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Free density calculation · browser-based

Calculate population density from area and people.

Enter a population and a land area. The calculator converts the area as needed and returns people per square kilometre and square mile.

Area unit

Calculated density

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Population ÷ land area converted to square kilometres.

People per km²
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People per mi²
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Population density formula

Population density is population divided by area. If the area is entered in square miles, hectares or acres, the calculator first converts it to square kilometres. Density is a derived ratio; it does not describe how population is distributed within the area.

Your entries stay in this browser and are not sent to Atlas Compare. Read how population density is calculated and what the ratio cannot tell you, then compare sourced geographic data in the country and U.S. state comparison map.