Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Related Content Weighing the Benefits of Prepaid Debit Cards It's important to understand the pros and cons when considering a prepaid debit card. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one. How Insurance Deductibles Work Knowing how insurance deductibles work can help you save money and give you peace of mind.