the rules that move the number
The estimate uses the 2026 bend points, the same formula the SSA uses. Move the claim age and the whole plan reruns with the new amount.
You asked for the link. It is below: the slides from the post, the move if there is one, and the planner the chart came from.
Where to go next
Type in one paycheck and it runs your plan through every year of market history since 1871, with the taxes worked out. About three minutes, in the browser.
Open itSources: SSA benefit formula, 2026 bend points $1,286 and $7,749, factors 90/32/15; early claim and delayed credit rules. Estimate, not a statement.; Expected path, 7% return, 3% inflation, 2026 dollars. Plan: age 65, $160,000 salary, $1.2M saved, retiring at 70..