Depending on whether you were employed under FERS or CSRS along with length of employment, unused sick time, taxability as well as other factors all play into how you calculate your federal retirement. The best tools are found at http://federalretirement.net/annuity.htm
The FERS retirment calculator is the "Federal Employees Retirement System Calculator". Presumably, it is used to calculate the projected retirement date for federal employees.
A FERS retirement calculator would be used by those who have worked within the U.S. federal civilian employees. FERS stands for Federal Employee Retirement System.
You can go online to find a retirement planning calculator at moneycentral.msn.com/retire/planner.aspx. Another useful website is www.americanfunds.com/retirement/calculator/index.htm
You can find a free retirement planning calculator at either moneycentral.msn.com/retire/planner.aspx or www.americanfunds.com/retirement/calculator/index.htm. Fool.com and Vanguard offer retirement calculators online. These are free to use.
Retirement calculators are a great tool to plan for your retirement. If you go to the MSNBC website they have a free retirement calculator that has all of the necessary tools.
You can find a retirement saving calculator online, at the web page called Kiplinger. Their retirement saving calculator will help you estimate savings and determine how much more you need to save each month to reach your retirement goal.
You can go to moneycentral.msn.com. They offer a reliable and effective retirement planning calculator.
If you are interesting using a retirement calculator there are many websites that offer them. You can find them on websites such as TDbank and CIBC. Both which are reliable.
You can find an FERS retirement calculator at the following sites I found for you to look at. Here are the sites you can look at www.fedcalc.com/fers.jsp ,www.fedcalc.com/
FERS - Federal Employees Retirement System calculator is a calculator that allows you to be actively involved in your retirement planning. It allows you to input your information and shows you what you may expect to receive as retirement pay and lets you know when and how many hours are needed to retire.
Massmutual.com offers online retirement planning calculators.
A FERS Retirement Calculator is an online tool or software specifically designed to help federal employees estimate their retirement benefits under the Federal Employees Retirement System (FERS). It takes into account key personal data such as: Years of service High-3 average salary (the average of the highest-paid consecutive 3 years) Planned retirement age Military service credits (if applicable) Sick leave balances Cost-of-Living Adjustments (COLAs) The calculator provides an estimate of the monthly FERS pension you’ll receive at retirement. Some advanced calculators also factor in Social Security benefits and Thrift Savings Plan (TSP) distributions, giving a full picture of total federal retirement income.