Enter your annual contribution, contribution frequency, and interest rate into the calculator to determine your TSP balance.
TSP Calculation Formula
The following formula is used to calculate the TSP balance from your contributions.
Final Balance = Initial Balance * (1 + Interest Rate / 100 / 12)^Months + Contribution * ((1 + Interest Rate / 100 / 12)^Months - 1) / (Interest Rate / 100 / 12)
Variables:
- Final Balance is the total TSP balance after the investment period ($)