How to use Term Life (DIME) Calculator
The DIME life insurance calculator applies the DIME formula — Debt + Income × Years + Mortgage + Education — to give a precise coverage target. It compares the result to the simpler 10× income rule and shows the gap between your existing coverage and what both methods recommend.
- Enter total personal debts (credit cards, auto loans, student loans — excluding mortgage).
- Enter your gross annual income and years until retirement.
- Enter remaining mortgage balance.
- Enter estimated education costs for each child.
- Subtract existing coverage for your net protection gap.
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DIME formula explained
DIME = Debt + Income + Mortgage + Education. Debt: all non-mortgage debts (so survivors start debt-free). Income: gross annual income × years until retirement (so survivors can maintain living standard). Mortgage: remaining balance (so survivors keep the home). Education: estimated cost of college for each child. Sum all four, subtract existing life insurance for the coverage needed.
| DIME component | Example value | Notes |
|---|---|---|
| Debt (non-mortgage) | $30,000 | Auto loan + credit cards |
| Income × 20 years | $1,600,000 | $80k × 20 remaining work years |
| Mortgage balance | $250,000 | Remaining home loan |
| Education × 2 kids | $200,000 | $100k per child |
| DIME total | $2,080,000 | Gross coverage target |
| 10× income rule | $800,000 | Quick estimate only |
Adjusting for existing coverage and spouse income
Subtract employer-provided group life insurance from the DIME total; also consider a surviving spouse's earning capacity as it reduces the income-replacement need. For a two-income household, each partner should have enough coverage to let the other maintain their lifestyle and handle all obligations — not just replace one income.
Worked examples
$80k income, 2 kids, mortgage
Inputs: $30k debt + $80k×20 + $250k mortgage + $200k education
Result: = $2,080,000 DIME coverage target
Net gap after existing $500k policy
Inputs: $2,080,000 − $500,000 existing
Result: ≈ $1,580,000 additional coverage
Income replacement component
Inputs: $60,000 income × 15 years to independence
Result: = $900,000 of the DIME total
Glossary
- DIME
- Debt + Income + Mortgage + Education — a structured method for sizing life insurance needs.
- Income replacement
- The coverage portion that replicates your salary for dependants over a defined period.
- Group life
- Employer-provided life insurance, typically 1–2× salary; not portable between jobs.
- Human Life Value
- Present value of all future income; an alternative coverage-sizing approach.
Related reading
Frequently Asked Questions
Why use Term Life (DIME) Calculator?
- Sizes life cover using the four DIME components — debt, income replacement, mortgage and education costs
- Computes both DIME total and the 10× income shorthand so you can compare the two benchmarks directly
- Deducts existing policies to show the net protection gap rather than a gross coverage figure
- Breaks the formula into four labelled line items so you can see which component drives the largest need
Common use cases
- Estimate how much additional term life insurance a parent with young children and a mortgage requires
- Cross-check a new policy quote against DIME-calculated need before signing an application
- Separate the mortgage payoff component from income replacement to choose between two policy sizes
- Recalculate DIME coverage after paying off a car loan or student debt to reduce required premium
- Plan life insurance for a dual-income couple where each spouse carries different debts and incomes
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