Formula
Each year: balance grows by return; RMD = balance ÷ factor; retained RMD = max(RMD − spending, 0). The calculator finds the first year cumulative retained distributions exceed the starting balance, reducing the factor by 1 annually to a floor of 1.
What the result means
The main result summarizes the selected retirement scenario. Supporting results show the cash-flow or tax components that drive it.
Planning estimate only. Verify benefit rules, distribution factors, taxes, and decisions with current official documents and qualified professionals.