Retirement Shortfall Calculator

Background.

Retirement Shortfall Calculator supports a concrete decision: use it to compare projected savings with a stated retirement target at a chosen horizon. The result needs one precise interpretation: the projection compounds current assets and end-of-year contributions, then labels only the arithmetic gap to the entered target. The selected relationship is “project current savings and end-of-year contributions, then compare the projected balance with the entered retirement target.”

The editable entries are current retirement savings, end-of-year annual contribution, expected annual return, years to retirement, target retirement balance. Use values from the document or measurement that governs this retirement shortfall question; the defaults are only the worked fixture below. It does not create the target or model inflation, taxes, variable returns, contribution limits or withdrawal sustainability. The retirement shortfall calculation does not infer that fact from the other entries.

U.S. SEC Investor.gov, Stocks; shares, market value and corporate actions documents the convention or governing rule used here. The retirement shortfall output is a transparent scenario under those facts: it does not manufacture an unentered market price, professional determination, carrier quote, legal eligibility finding or locally adopted code value.

What is retirement shortfall calculator?

Retirement Shortfall is the relationship behind this decision: the projection compounds current assets and end-of-year contributions, then labels only the arithmetic gap to the entered target. On this page it means project current savings and end-of-year contributions, then compare the projected balance with the entered retirement target. It does not create the target or model inflation, taxes, variable returns, contribution limits or withdrawal sustainability; that is the line between the reported quantity and a broader retirement analysis.

How to use this calculator.

1. 01Confirm that “project current savings and end-of-year contributions, then compare the projected balance with the entered retirement target” matches the retirement shortfall convention you need.
2. 02Replace the fixture values for current retirement savings, end-of-year annual contribution, expected annual return, years to retirement, target retirement balance with dated values from the governing record.
3. 03Keep all currencies, measurement units and time periods on the same basis before calculating.
4. 04Read projected retirement shortfall together with this boundary: It does not create the target or model inflation, taxes, variable returns, contribution limits or withdrawal sustainability.

The formula.

The calculation uses project current savings and end-of-year contributions, then compare the projected balance with the entered retirement target. In this retirement shortfall model, the entered terms are current retirement savings, end-of-year annual contribution, expected annual return, years to retirement, target retirement balance. The projection compounds current assets and end-of-year contributions, then labels only the arithmetic gap to the entered target, which is why the relationship is presented under this name rather than as a universal alternative. It does not create the target or model inflation, taxes, variable returns, contribution limits or withdrawal sustainability. Calculations keep full decimal precision through the relationship and round only the returned display values.

A worked example.

Frequently asked questions.

References& sources.

1. [1]U.S. SEC Investor.gov, Stocks; shares, market value and corporate actions. Retrieved 2026-08-07. access: open unless marked otherwise.
2. [2]U.S. Social Security Administration. Plan for retirement. Retrieved 2026-08-07. independence: primary; access: open.
3. [3]U.S. Internal Revenue Service. Publication 590-B, Distributions from Individual Retirement Arrangements. Retrieved 2026-08-07. independence: primary; access: open.
4. [4]U.S. Securities and Exchange Commission. Investor.gov: Assessing your risk tolerance. Retrieved 2026-08-07. independence: secondary-check; access: open.
5. [5]U.S. Securities and Exchange Commission. Investor.gov compound interest calculator. Retrieved 2026-08-07. independence: secondary-check; access: open.