Berlin’s cost of living varies by household size, with monthly expenses estimated at €2,200–€2,850 for a single person, €3,610–€5,000 for a couple, and €5,600–€7,400 for a family of three. Major costs include rent (€1,321–€3,500), electricity (€80–€140), gas (up to €400 for a family), groceries (€250–€800), and healthcare (€250–€900).