Here are sources of information that can help you save money for retirement.
Retirement Calculator - http://apps.finra.org/Investor_Information/Calculators/1/RetirementCalc.aspx
Plan your investing strategy now so that you will have enough to see you through your retirement years.
Smart 401(k) Investing (FINRA Smart Investing) - http://www.finra.org/Investors/SmartInvesting/Retirement/Smart401kInvesting/Introduction/
Understand every aspect of how your 401(k) plan works.
Social Security Retirement Estimator - http://www.socialsecurity.gov/estimator/index.htm
Gives estimates based on your actual Social Security earnings record.
National Endowment for Financial Education - http://www.myretirementpaycheck.org/
A practical way to think about how you will pay yourself during your retirement years.