Finance

Free Thrift Savings Plan Calculator Online

Calculate your future Thrift Savings Plan (TSP) balance, factoring in federal agency matching, contribution rates, and fund growth.

Inputs

Results

Projected TSP Balance
$0.00
Annual Employee Contribution $0.00
Annual Agency Match Contribution $0.00
Total Cumulative Match $0.00

Optimizing Your Thrift Savings Plan (TSP) Growth and Matching

The Thrift Savings Plan is one of the most cost-effective retirement vehicles available, offering low expense ratios and robust matching programs. Maximizing the federal employer match is key to compounding your long-term retirement wealth.

FERS/BRS Matching Formulas

The federal matching contribution rate $M$ is based on the employee's contribution rate $E$:

The total monthly contribution added to the TSP portfolio is: $C_m = \\frac{\\text{Salary} \\cdot (E + M)}{12}$.

Worked Example

A federal civilian employee has an annual basic pay of $60,000. They contribute 5% of their salary to their FERS TSP, and assume a 7% average annual investment return over 20 years:

  1. **Identify match**: Since $E = 5\%$, the agency match is $M = 5\%$.
  2. **Calculate contributions**: Employee annual share = $60,000 * 5% = $3,000. Agency match share = $60,000 * 5% = $3,000. Total annual contribution = $6,000.
  3. **Monthly contribution**: $C_m = $6,000 / 12 = $500 monthly.
  4. **Future Value (starting balance $10,000)**: $10,000 * (1 + 0.07/12)^{240} + $500 * [((1 + 0.07/12)^{240} - 1) / (0.07/12)] = $40,387.39 + $262,940.23 = $303,327.62.

Lifecycle Funds Strategy

Consider using Lifecycle (L) Funds if you prefer a hands-off approach. L Funds automatically adjust your asset allocation—shifting from aggressive stock indexes (C, S, I) to stable bond securities (G, F)—as you approach your target retirement year, mitigating downside risk.

2026 U.S. Tax Compliance & Financial Planning Glossary

Navigating the complex landscape of federal and state taxes requires a clear understanding of financial concepts, IRS guidelines, and wealth preservation strategies. Below is a comprehensive glossary and strategic planning guide for individual taxpayers, investors, and business owners in 2026.

1. Individual Tax Mitigation & Income Optimization

Minimizing tax liability is a key goal of financial planning. Tax mitigation strategies focus on lowering your Adjusted Gross Income (AGI) through pre-tax retirement accounts, health savings options, and strategic deduction selections.

2. Small Business & Self-Employed Compliance

Independent contractors, freelancers, and small business owners face unique tax challenges, including self-employment taxes, quarterly estimated payments, and business entity structuring.

3. Investment, Capital Gains, & Estate Legacy Planning

Wealth accumulation involves managing tax liabilities on investment portfolios, real estate, and capital transfers to heirs.

Frequently Asked Questions (FAQ)

What is the Thrift Savings Plan (TSP)?

The Thrift Savings Plan is a federal government-sponsored retirement savings and investment plan, similar to a private-sector 401(k) plan. It is available to federal civilian employees and members of the uniformed services.

How does FERS matching work in the TSP?

Under the Federal Employees Retirement System (FERS), the agency contributes an Automatic 1% of basic pay to your TSP. Additionally, they match employee contributions dollar-for-dollar on the first 3%, and 50 cents on the dollar on the next 2%, totaling a maximum matching contribution of 5% of pay.

What is the Blended Retirement System (BRS) matching schedule?

For military service members under the BRS, the matching schedule is identical to FERS: an automatic 1% contribution plus up to a 4% matching contribution, matching up to a total of 5% of basic pay after 2 years of service.

What are the core investment funds in the TSP?

The TSP offers 5 index funds: G Fund (Government Securities), F Fund (Fixed Income Index), C Fund (Common Stock Index - S&P 500), S Fund (Small Cap Stock Index), and I Fund (International Stock Index). It also offers L Funds (Lifecycle Funds), which are diversified target-date portfolios.

What is the TSP contribution limit in 2026?

In 2026, the annual TSP elective deferral limit (under IRS Section 402(g)) is adjusted for inflation (estimated at $23,500 to $24,000). Employees aged 50 and older can also make additional catch-up contributions.

What is the difference between Traditional and Roth TSP?

Traditional TSP contributions are made pre-tax, reducing current taxable income, but withdrawals in retirement are taxed as ordinary income. Roth TSP contributions are made with after-tax dollars; withdrawals in retirement, including all investment growth, are 100% tax-free.

What is the G Fund, and is it safe?

The G Fund consists of non-marketable U.S. Treasury securities specifically issued to the TSP. It is guaranteed by the federal government not to lose principal, making it the safest fund, though it has lower long-term yields compared to equity funds.

When am I vested in my TSP contributions?

You are always 100% vested in your own contributions and any matching contributions. Agency Automatic 1% contributions vest after 3 years of federal civilian service (or 2 years for military service members).

Can I take a loan from my TSP account?

Yes. Eligible active federal employees can borrow against their TSP balance through a general purpose loan or a primary residence loan. The interest rate equals the G Fund rate, and the interest is paid back to your own account.

What are Required Minimum Distributions (RMDs) for the TSP?

Like private 401(k) accounts, TSP accounts are subject to federal RMD rules starting at age 73 (or 75). You must take annual distributions to avoid tax penalties, unless you are still actively employed by the federal government.

Can I roll over an external IRA into my TSP?

Yes. You can roll over eligible pre-tax distributions from traditional IRAs, 401(k)s, or other employer-sponsored retirement plans into your traditional TSP account to consolidate your holdings.

What happens if I leave federal service before retirement?

You can leave your money in the TSP, where it will continue to compound. Alternatively, you can roll the balance over into a private IRA or a new employer's 401(k) plan.