How Much Do I Need to Last

Nest egg today so the plan lasts through a given age

Retirement savings calculator

Estimate the retirement savings you may need. Enter your planned retirement age, spending, healthcare costs, Social Security, pension income and assumptions to estimate the nest egg needed to fund your plan through the age you choose.

How this calculator works. This is the inverse of How long before I go broke. It uses the spending and income you enter — not the comfortable-living floors — and solves for the savings on hand today that still last through your plan-through age.

Limitations. Educational projection only. Housing, care, and side-hustle are included only if you put them on a later tool. It is not tax or investment advice. Last reviewed September 2026.

Free to use · No account required · Assumptions shown · Educational planning tools

Your entered plan

Ages, savings, lifestyle, healthcare, and guaranteed income. Pension at $0 is skipped. This is not the comfortable-living suggestion.

Pension COLAOn = this pension rises with inflation. Off = a fixed annual amount.
Rates

Same market and inflation rates as the longevity tool.