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Retirement calculator

Retirement Savings Calculator

Estimate a retirement portfolio target from spending, other income, inflation and a withdrawal rate. Compare that target with a fixed-return projection of current savings and monthly contributions.

Portfolio target at retirement—
Projected portfolio—
Required monthly contribution—
Modeled outcome—

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Funding comparison

Projected balance versus target

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Target in today’s purchasing power—
Annual income gap at retirement—
How the target is calculated

Spending and other income are inflated to retirement. The remaining annual income gap is divided by the withdrawal rate. The annual return is converted to an equivalent monthly rate, and fixed nominal contributions are added at the end of each month.

Sources

Compound growth and inflation both matter.

Investor.gov provides compound-interest tools. The US Department of Labor’s retirement-planning material stresses compounding, investment risk and the loss of purchasing power from inflation.

Investor.gov — Compound Interest Calculator
US Department of Labor — Savings Fitness