10 rules for saving for retirement, and the retirement savings calculators to help

It's never too early to start your retirement savings, but, as too many people are finding out the hard way, it can be too late. Make use of tools like free online retirement savings calculators and start building your retirement savings now.

Here are our top 10 rules for building your retirement savings, complete with retirement savings calculators to help you do the math.

1. Be realistic with your retirement savings goals.

You may have fantasies of taking a yacht around the world, but you have to plan your retirement savings according to your real needs, not your ideal wants. Use a retirement savings calculator to figure out how much you'll need to supplement Social Security, pensions and annuities, and aim straight for that retirement savings target.

Figure out what your retirement income will be with this retirement savings calculator; and what your expenses will be with this retirement savings calculator. For more information on Social Security, go to this retirement savings calculator.