function(unit)
    if UnitHealth(unit) >= 1e6 then
        return ("%.1fm"):format(UnitHealth(unit) / 1e6):gsub("%.?0+([km])$", "%1")
    elseif UnitHealth(unit) >= 1e3 or value <= -1e3 then
        return ("%.1fk"):format(UnitHealth(unit) / 1e3):gsub("%.?0+([km])$", "%1")
    else
        return UnitHealth(unit)
    end
end