Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Questions to Ask About Medicare Take the guesswork out of your IEP or SEP with this helpful article. Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested. Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers.