Our 401k Calculator provides a tool to simulate your 401(k) savings plan and analyse the resulting chart graphically. Many employer offer a 401k retirement plan and provide in addition contribution to your 401k account, related to your own contribution (employer match: 0% .. 100%) Your employer's contribution to your 401k account might be limited to a defined value related to your salary. Our 401k calculator presents you the possible evolvement of your 401(k) retirement plan during investment phase.