Template:Infobox islands/density
{{#if:{{{km2|}}}
|{{#if:{{{sqmi|}}}
|{{formatnum:{{{km2}}}}}/km2 ({{formatnum:{{{sqmi}}}}}/sq mi)
|{{formatnum:{{{km2}}}}}/km2 ({{#expr: ({{formatnum:{{{km2}}}|R}})*2.58998811 round ({{precision|{{formatnum:{{{km2}}}|R}}}}-0)}}/sq mi)
}}
|{{#if:{{{sqmi|}}}
|{{formatnum:{{{sqmi}}}}}/sq mi ({{#expr: ({{formatnum:{{{sqmi}}}|R}})/2.58998811 round ({{precision|{{formatnum:{{{sqmi}}}|R}}}}+1)}}/km2)
|{{#if:{{{m2|}}}
|{{#if:{{{sqft|}}}
|{{formatnum:{{{m2}}}}}/m2 ({{formatnum:{{{sqft}}}}}/sq ft)
|{{formatnum:{{{m2}}}}}/m2 ({{#expr: ({{formatnum:{{{m2}}}|R}})/10.7639104 round ({{precision|{{formatnum:{{{m2}}}|R}}}}+1)}}/sq ft)
}}
|{{#if:{{{sqft|}}}
|{{formatnum:{{{sqft}}}}}/sq ft ({{#expr: ({{formatnum:{{{sqft}}}|R}})*10.7639104 round ({{precision|{{formatnum:{{{sqft}}}|R}}}}-0)}}/m2)
}}
}}
}}
}}