This financial tool assists in projecting the duration for which accumulated funds can sustain expenditure. It typically requires input of the total savings amount, anticipated regular withdrawals, and expected rate of return on the savings. The calculation then estimates how many months or years the savings will cover these withdrawals before depletion.
Understanding the lifespan of savings is crucial for financial planning, retirement preparation, and managing long-term expenses. Such projections provide individuals and families with valuable insights, facilitating informed decisions about budgeting, investment strategies, and adjustments to spending habits to ensure financial security. Historically, estimations of this nature were performed manually; the advent of automated calculators streamlines and improves accuracy.