Calculate Life Insurance Needs Without a Blind Multiple
Add up debts, immediate costs and the family income to replace instead of applying a blind salary multiple.
Published 2026-07-21
Ten times salary: the rule circulates everywhere, and it produces life-insurance amounts with no connection to the lives they protect. A calculation worthy of the name builds in four layers. Debts and immediate costs first: mortgage, loans, end-of-life expenses. Income to replace next: the net contribution to the household, multiplied by the years until the children's independence. Projects to protect, education first among them. Then the layer the multiple ignores entirely: subtracting what already exists — savings, group coverage, survivor benefits from public plans — which often shrinks the net need dramatically. The resulting amount then lives: it declines with the mortgage, changes with the family, and gets recalculated every three years or at every event. This article runs the complete calculation on a typical case, supplies the worksheet and shows the gap — often considerable — between the calculated need and the recited multiple.
Add up the debts and immediate costs
The calculation's first layer lists what should settle quickly at death: the mortgage balance, loans and credit lines, card balances, and the end-of-life costs — funeral and settlement — a few tens of thousands of dollars in total for a typical household. This layer is priced in exact dollars, statements in hand, and updates easily: it shrinks with every mortgage payment, which gives the insurance need its natural downward slope. Whether to pay everything off at death belongs to the survivor, but the prudent calculation provides the option: a grieving spouse who can extinguish the mortgage then decides freely — a position worth the corresponding layer of capital. Price that layer first.
Price the income to replace over time
Replacing your economic contribution to the household forms the second and largest layer: the net income brought in, minus your personal expenses that cease, multiplied by the necessary years — until the children's independence or the chosen horizon. The calculation stays deliberately simple: the net annual contribution times the number of years, roughly adjusted for the return the invested capital will produce, gives the useful order of magnitude. Non-salary contribution counts too: the at-home parent whose loss would force childcare and service expenses represents a real insurance need despite the absence of a salary. This layer dominates the total and explains why needs peak when the children are young and the household's income concentrated.
Subtract everything that already exists
The layer the blind multiple ignores entirely works in reverse: everything that would already pay. Accumulated savings — RRSP, TFSA, investments — available to the family. The employer's group insurance, often one or two years of salary, its disappearance on a job change duly noted. Survivor benefits from the public plans — the spousal pension and children's benefits per the rules. Subtracting these amounts from the first two layers' total gives the net need, frequently far below the gross figure: some households discover they are over-insured, others the reverse, and both discoveries are worth the calculation. The net need, not the salary multiple, is the amount to shop for.
Recalculate at the family's pace
Any calculated need carries a date: the mortgage melts, the children advance toward independence, savings grow, and every passing year reduces the net need — while family events, a birth, a separation, a new partner, a bigger house, sometimes shift it brutally. The review follows two triggers: events, within the month, and the calendar, every three years, with the same worksheet updated. Corrections run both ways — up after a birth, down when the house is nearly paid — excess insurance being premium wasted every month. That light maintenance, one hour every three years, keeps the protection aligned with the real family: it is the whole difference between a calculated amount and a multiple recited once and for all.
Quebec scenario: compare before confirming
A rule heard on a podcast — ten times salary — would give a biologist in Chicoutimi $780,000 of life insurance. Instead of applying the multiple, she rebuilds the number from her own life, in four layers. First, debts and immediate costs: $195,000 of mortgage, $12,000 of car loan, about $15,000 in end-of-life expenses. Next, income to replace: her net contribution to the household, $2,600 a month for the fifteen years until her youngest is independent, roughly discounted to $380,000. Then projects to protect: $40,000 for both children's education. Finally, the subtraction the multiple forgets: $60,000 in savings, group coverage worth a year of salary, and survivor benefits from the public plans. The net need comes to $560,000, not $780,000, and the premium difference pays for a family vacation every year. She schedules a review every three years: the need will shrink as the mortgage melts and the children grow, and a calculated amount can be recalculated — something a recited multiple never does. The podcast rule, she decides, was a starting point wearing the costume of an answer.
Checklist
- Add up debts and immediate costs at death
- Price the family income to replace and its duration
- Add the projects to protect
- Subtract savings and group coverage
- Subtract public survivor benefits
- Establish the net need
- Compare with the recited multiple to measure the gap
- Adjust the policy to the calculated need
- Recalculate every three years or at each event
Frequently asked questions
What belongs in a proper life-insurance needs calculation?
Four layers: debts and immediate costs at death, family income to replace for the necessary years, projects to protect such as education — then, subtracted, existing savings, group coverage and survivor benefits from public plans. The salary multiple ignores all four.
Why subtract what already exists?
Because the net need is what is missing, not the total: solid savings, employer coverage and survivor pensions already carry part of the risk. Insuring what is already covered inflates the premium without protecting more. The subtraction often changes the figure substantially.
Does the calculated amount stay right for long?
No: it shrinks as the mortgage melts and the children approach independence, and it changes with every family event. A review every three years, or after each notable change, keeps the protection aligned. A calculated amount can be recalculated — its advantage over a recited multiple.