Using the TSP calculator can greatly aid in maximizing your retirement savings by helping you determine the most beneficial contribution levels. Start by entering your income, expected retirement age, and current contribution rate. The calculator will provide projections based on various scenarios, allowing you to see the potential growth of your investments over time. This insight can help you make informed decisions on contribution adjustments to achieve your retirement goals sooner. Additionally, the TSP calculator can compare Roth and traditional TSP contributions, helping you decide which option best suits your needs. With regular use, the TSP calculator can be instrumental in keeping your retirement strategy on track.