The average American in their 60s has more than $200,000 in their 401(k).
If you start contributing early enough in your career, you may be able to double or even triple that number by investing a small percentage of your paycheck each week.
CNBC crunched the numbers, and we can tell you how much you will have for retirement if you save $100 per week in your 401(k) throughout your career.
Here's a case study.
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The numbers do not account for future changes to contribution limits, employer matches, taxes or any curveballs life may throw at you. So plan accordingly.
Check out this video for a full breakdown.
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