About this calculator
This tool estimates how much life insurance coverage your family might need using the DIME method, a structured way to add up the financial obligations your income currently covers. It also cross-checks that figure against the simpler rule of thumb of 10 to 12 times your annual income. The goal is a coverage target that would let your household stay financially stable if your income disappeared.
How it works
DIME stands for Debt, Income, Mortgage, and Education. Coverage need equals Debt, meaning all non-mortgage debt such as credit cards, car loans, and personal loans, plus Income, meaning your annual income multiplied by the number of years your family would need support, plus Mortgage, the remaining balance on your home loan, plus Education, the estimated future cost of schooling for your children. From that total you subtract existing assets and any life insurance you already carry, since those already stand ready to help.
A worked example
Suppose you have $20,000 in non-mortgage debt, earn $60,000 a year and want to replace 10 years of income, owe $200,000 on your mortgage, and expect $100,000 in future education costs. Debt plus Income plus Mortgage plus Education is $20,000 plus $600,000 plus $200,000 plus $100,000, which totals $920,000. If your household already holds $120,000 in savings and investments and no prior policy, you subtract that, leaving a coverage target near $800,000. As a cross-check, 10 to 12 times a $60,000 income is $600,000 to $720,000, so the DIME figure sits reasonably in range.
How to use it
Enter your total non-mortgage debt, your annual income, the number of years of income replacement you want, your remaining mortgage balance, and estimated education costs. Then enter existing assets earmarked for your family and any current coverage. The calculator sums the DIME components, subtracts what you already have, and shows the rule-of-thumb range beside it.
Limitations
DIME is a snapshot and does not account for inflation, investment growth, future income changes, or Social Security survivor benefits, all of which affect real need. It also does not distinguish between term and permanent policies, which differ greatly in cost and purpose. Every family values income replacement differently, so treat the result as a starting conversation, not a precise prescription.
FAQ
Why exclude the mortgage from the debt line? The method lists the mortgage separately as its own component so it is counted once. Debt in DIME refers to your other, non-mortgage obligations.
How many years of income should I replace? Common choices range from the years until your youngest child is independent to the years until a spouse reaches retirement. Longer horizons raise the coverage target.
Which is better, DIME or the income multiple? DIME is more tailored because it reflects your actual debts and goals. The income multiple is a fast sanity check. Using both helps you spot an estimate that drifts too high or low.
Should I subtract retirement savings? Subtract only assets your family would realistically use for these needs. Money you intend to leave untouched for a surviving spouse's retirement may not belong in that subtraction.
Disclaimer: This calculator provides educational estimates using standard formulas, not personalized financial advice. Lending terms, interest rates, and your individual circumstances vary. Consult a licensed mortgage, financial, or tax professional before making decisions.
Dana Whitfield is the editor of MortgageAfford. She researches home-affordability, mortgage, and personal-finance math and explains it in plain language, citing primary sources such as the CFPB, Freddie Mac, and lender underwriting standards. She is not a licensed financial advisor, mortgage broker, or tax professional; MortgageAfford's calculators produce educational estimates, not personalized financial advice.