Calculators

Use these calculators to get personalized estimates of how much income you may have in retirement.

Retirement Income Modeler

The new Retirement Income Modeler uses information specific to your account to help you determine your savings goals. Log in to My Account and get started with the Retirement Income Modeler.

Federal Ballpark E$timate® Calculator

The Federal Ballpark E$timate® calculator was developed by the American Savings Education Council for employees covered by CSRS, CSRS offset, and FERS. See if you’re on track for a comfortable retirement.

How Much Can I Contribute? Calculator

This calculator helps you determine the specific dollar amount to be deducted each pay period. Simply know the number of salary payments you have left for the year and grab your most recent pay statement to see how much you can contribute.

TSP Annuity Calculator 

Use the TSP Annuity Calculator to estimate how much monthly life annuity payments could be if you use part or all of your TSP account to purchase an annuity through our outside vendor.

TSP Roth In-Plan Conversion Calculator

The TSP Roth In-Plan Conversion Calculator can help you understand the effects of converting traditional money to Roth money in your TSP account. You have a lot to consider before doing a Roth in-plan conversion. We strongly recommend that you consult a tax advisor to discuss the advantages and disadvantages specific to your situation. Learn about rules and eligibility for Roth in-plan conversions.