Mega Backdoor Roth Calculator

Some employer retirement plans let employees contribute a percentage of their paycheck to an after-tax 401k. For high earners, those after-tax 401k contributions can then be rolled over into a Roth IRA. This is what's called the Mega Backdoor Roth. It enables high earners to save into a Roth even if their income is above the Roth IRA limits. Calculating what percentage to contribute before tax…