A small increase now, compounded for years, adds up by retirement.
This calculator projects the future value at retirement of just the extra 403(b) contribution created by raising your contribution percentage.
This tool focuses only on the additional dollars from your percentage increase, not your existing 403(b) balance. It finds the extra yearly contribution from the gap between your new and current percentages applied to your salary. That amount is then grown at your assumed return over your remaining years to retirement.
403(b) plans are common for teachers, hospital staff, and nonprofit employees, and even small contribution bumps compound over a career. A higher assumed return or more years until retirement produces a larger projected balance. Because market returns vary, this is an illustration only and not investment advice.
It is offered to employees of public schools, hospitals, churches, and other tax-exempt organizations. It works much like a 401(k), with pre-tax contributions that grow tax-deferred.
No, it shows only the growth of the extra contributions from your percentage increase. Your existing balance would compound separately.
It depends entirely on the return and salary assumptions you enter, which are not guaranteed. Treat the figure as an estimate rather than a promise, and not as investment advice.
See the exact formula and a worked example on our methodology page.