TSP Loan Calculator 💵

This calculator estimates the potential impact of taking a TSP loan by comparing projected account growth with and without the loan. It factors in loan repayment, interest, contributions, and market growth. Assumes no other outstanding loans, flat biweekly contributions, and fixed growth rates. Actual TSP loan terms may vary—please consult the official TSP loan guidance for authoritative information.

Balance must be at least as large as the loan amount.
Loan amount must be between $1,000 and $50,000.
Enter a valid non-negative interest rate.
Enter a growth rate between 0% and 15%.
Must be between 26–390 pay periods.
Enter 26–130 payments (1–5 years) for General loans; 131–390 (5–15 years) for Residential loans.
Biweekly Contributions + Match

Compare how your TSP contributions might differ if you take out a loan. (e.g., reducing your contributions...)

Enter your contribution (max $5,000 per pay period)
Enter your contribution (max $5,000 per pay period)
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