Income Replacement Coverage Calculator
A common starting point for sizing life insurance is the income-multiple rule: cover should replace several years of your income so dependents can maintain their standard of living if you die. This calculator multiplies your gross annual income by a coverage multiple you choose, then subtracts any cover you already hold to show the additional protection you may need. The multiple is a deliberate simplification of the more detailed needs analysis that accounts for debts, education costs and existing assets, but it gives a fast, transparent benchmark. A frequently cited range is ten to twelve times income for working-age earners with dependents, scaling down over time as savings grow and obligations fall away. Younger families carrying a mortgage and raising children usually sit at the higher end of that range. Enter your income, pick a multiple, and add any existing group or individual policies so the gap reflects what you still need to buy. Because everyone's debts, savings and family situation differ, treat the result as a conversation starter rather than a precise figure. Every number here is computed deterministically from the multiplier formula shown below, with a worked example that reconciles exactly to the calculator defaults so you can follow each step.
The income-multiple rule sets cover as annual income x multiplier, less existing cover. With a 60,000 income and a 10x multiple, the target is 600,000 and, with no existing cover, the additional need is $600,000.00.
Income replacement coverage formula
Target cover = annual income x multiplier
Additional need = target cover - existing cover
Multiplier is a chosen number of years, e.g. 10
The additional need is floored at zero: if existing cover already meets or exceeds the target, the formula returns no further need rather than a negative number.
Worked example
Suppose your annual income is 60,000 dollars, you choose a 10x multiple, and you hold no existing cover.
- Target cover: 60,000 x 10 = 600,000.00
- Existing cover: 0.00
- Additional need: 600,000.00 - 0.00 = 600,000.00
The target cover is 600,000.00 dollars and, with no existing policy, the additional cover needed is 600,000.00 dollars. These are the calculator's default inputs, so the result matches the widget exactly.
Income Replacement Coverage Calculator: frequently asked questions
What multiple of income should I use?
A widely used rule of thumb is ten to twelve times annual income for earners with dependents, though the right number depends on your debts, savings, the ages of your children and your spouse's earnings. Younger families with a mortgage and young children often sit at the higher end, while those near retirement with grown children need less.
Why subtract existing cover?
Many people already hold life insurance through an employer group plan or an individual policy. Subtracting it shows the gap you still need to fill rather than the total cover you should hold, so you do not over-insure or pay for duplicate protection.
Is the income-multiple rule accurate?
It is a quick benchmark, not a precise needs analysis. A fuller method, sometimes called the needs approach, adds final expenses, outstanding debts and future goals such as college, then subtracts liquid assets and existing cover. Use the multiple to get in the right range, then refine.
Does Social Security provide survivor benefits?
Yes. The Social Security Administration pays survivor benefits to eligible spouses and dependent children of workers who have earned enough credits. These benefits can reduce the private life insurance you need, so factor them into your overall plan.
Should the figure change over time?
Yes. As you pay down debt, build savings and your children become independent, the cover you need usually falls. Reviewing your multiple every few years, or after major life events, keeps your protection aligned with your actual obligations.
Official sources
- Survivor benefits and income replacement guidance: US Social Security Administration (SSA). As at 25 June 2026.
Reviewed by the CalculatorHub team, edited by James Graham, 25 June 2026. See our methodology. This is general information, not financial, tax, legal or investment advice.