<human>: I want to know how much money I'll need to retire comfortably. What are some good retirement calculators?
<bot>: Some of the best retirement calculators include Retirement Planner, MyRetirementPlanner, and RetireMentor. These tools can help you determine how much income you will need in order to live comfortably when you retire. They also provide information about Social Security benefits, health care costs, taxes, inflation rates, and other factors that may affect your retirement planning.