How Much Life Insurance Do You Actually Need?

You come home from the hospital with a newborn, and somewhere between the sleepless nights and the diaper bag still by the door, a thought lands that didn't exist a week ago: what happens to my family if something happens to me? It's not a comfortable question, but it's the right one — and answering it with a calculation, rather than a guess or a fear, is what this walks through.

A family working through the numbers

Noah and Emma just brought their first daughter, Lily, home, and closed on their first house four months ago. Noah earns $65,000 a year; his employer provides a group life insurance policy worth one year's salary. Until now, neither of them had thought about life insurance beyond that. A new mortgage and a new dependent changed that — the numbers below are how they worked out an actual figure instead of guessing.

Start with who actually depends on your income

Before any math, answer one question honestly: if your income stopped tomorrow, who would struggle? A partner covering a mortgage alone. Kids who aren't self-sufficient yet. A parent you help support. If the honest answer is "no one," you likely don't need much — or any — life insurance.

If the answer is "yes, someone would struggle" — as it now is for Noah and Emma — the rest of this guide is for you.

A step-by-step way to calculate your number

A common shortcut is 10 times your annual income, but that's a starting guess, not a real answer. A more useful version builds the number from what your household would actually need to cover.

Step 1: Start with income replacement

Decide how many years of income the payout should replace, then multiply. Common choices: until the youngest child is financially independent, until a mortgage would realistically be paid off, or a flat number like 15–20 years for simplicity. There's no single correct answer — it depends on how long the people who depend on you would need the support.

Step 2: Add remaining debts and the mortgage

Anything that doesn't disappear if you're gone — the remaining mortgage balance, car loans, credit cards, lines of credit — gets added on top. Paying these off removes a fixed monthly burden from a household that just lost an income.

Step 3: Factor in dependents and timeline

More dependents, or a longer timeline until they're independent, generally means a bigger number. A newborn implies a longer support window than a teenager close to finishing school — this is where the math gets personalized rather than generic.

Step 4: Compare term vs. permanent at a high level

Once there's a target number, decide roughly what kind of policy should carry it, in short.

Term insurance covers a fixed period at a lower cost and fits temporary needs like a mortgage or dependent children.

Permanent insurance lasts a lifetime, builds cash value, and costs more — a better fit for needs that never expire, like final expenses or an estate. The full tradeoffs are covered in Term vs. Permanent Life Insurance; this is just enough to point you in a direction.

Step 5: Review what workplace coverage actually provides

Subtract any group life insurance already in place through work — but check what it actually is first. Employer coverage is commonly a flat multiple of salary (often 1–2x), it usually ends the day employment ends, and it's rarely sized to a specific household's actual needs. It's a starting credit against the total, not a substitute for the calculation above.

A worked example

Noah and Emma's numbers: a $480,000 mortgage remaining, $18,000 in other debt (a car loan), and 18 years of income replacement on Noah's $65,000 salary — the stretch until Lily would realistically be financially independent — for $1,170,000. Add $15,000 for final expenses, and the total comes to $1,683,000. Subtracting Noah's existing $65,000 in workplace group coverage leaves a gap of roughly $1.6 million in additional coverage to consider.

Your household's number will look different — different mortgage, different income, different timeline — and that's the point. It should.

What this doesn't tell you

This math gives you a ceiling, not a mandate. Budget, health, and how long coverage is actually needed all affect what makes sense in practice. That's a conversation, not a formula — which is exactly what a Financial Health Check-up is for.

The goal isn't to buy the biggest policy available. It's to buy the right amount for your actual life, and understand why.

Common mistakes people make

• Assuming workplace coverage is sufficient. A flat 1–2x-salary group policy rarely matches an actual calculated need, and it disappears the day you change jobs — often exactly when a mortgage or a young family makes coverage matter most.
• Buying based on fear rather than calculation. A newborn or a new mortgage can trigger a rushed decision — either overbuying out of anxiety or accepting whatever a salesperson recommends. The number above exists so the decision starts from arithmetic, not a feeling.
• Letting term policies lapse without reviewing them. A missed payment can end coverage entirely, and a term nearing its end needs an active decision — renew, convert, or replace — well before it expires, not after a lapse creates a gap.
• Not naming — or updating — a beneficiary. An outdated designation is one of the most common, easily avoidable mistakes in personal finance, especially after a marriage, divorce, or new child. A will doesn't override it: insurance payouts generally go directly to the named beneficiary regardless of what a will says.

Before you sign: questions worth asking

1. How was this coverage amount calculated — sized to my actual situation, or a generic multiple of income?
2. How long do I actually need this coverage for, and does the term length match that?
3. Does this policy include a conversion option to permanent coverage later, without new medical underwriting?
4. What happens if I miss a payment, and is there a grace period?
5. Is my beneficiary designation current, and does it name a person directly rather than my estate?
6. What does this cost per $1,000 of coverage, and how does that compare to another quote?

What to do next

Once there's a number, the next real decision is what kind of coverage should carry it — which is where term and permanent life insurance start to look very different from each other. Any term used here that needs a plainer definition is in the glossary.