There should always be a guideline that you follow before and during investing into any type of plan. And if the plan is in one way or the other related to the typical investments into the IRAs, then you should be specially beware of the demerits that can haunt you later. If we talk about the contribution limits catering to the investments into a Roth IRA, then it will be smarter if you start saving early. The earlier you save, the greater benefits you will enjoy later at time of your retirement. According to the rules set by the government, any individual can save up to $5000 in an IRA per year. This figure does not refer to individual IRA accounts and all your investments into Roth IRA or traditional IRA or a mix of the two should in no case exceed the sum of $5000.
Anyone with a modified gross income less than or equal to $122,000 and is single, can invest into Roth IRA. Those who are married and want to file a joint Roth IRA should have an income lesser than or equal to $177,000. With Roth IRAs, one does not get the benefits of current tax exceptions but is subjected to full tax exception at the time of cash withdrawal after retirement. It is obligatory to withdraw the amount from a Roth IRA only after one turns 59 and a half year old. In case of premature withdrawal, high penalty is charged.
So, instead of searching about how to roll over 401k into a Roth IRA, one should focus upon how much benefits can this transformation actually render to you.