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Life Insurance Calculator UK 2026: How Much Cover You Need

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Life Insurance Calculator · UK Tool · 2026

Life Insurance Calculator UK (2026): How Much Cover Do You Need?

Not sure how much life insurance to take out? This free calculator estimates the cover you may need — based on your mortgage, debts, the income you’d want to replace and family costs, minus any cover you already have. It’s a quick, private guide to help you start the conversation. Everything runs in your browser; nothing is saved.

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ℹ️ Please read: this is a guidance tool, not financial advice

This calculator gives a simplified estimate of the life cover you might need, based only on the figures you enter. It is not financial advice and not a personal recommendation to buy any particular policy or amount. It does not tell you what a policy will cost. For advice tailored to your situation, speak to an FCA-regulated financial adviser. Figures are for illustration only.

Life Insurance Cover Calculator

Enter your details below for an instant, private estimate of the lump-sum cover you might want to consider. All fields are optional — fill in what applies to you.

💷 What you’d want to cover

✅ Cover you already have

Estimated cover you might consider

£0

Enter your figures above to see an estimate.

This is an estimate for guidance only, based on the figures you enter — not financial advice, not a personal recommendation, and not a quote. Your actual needs may differ. Consider speaking to an FCA-regulated adviser before deciding.

How the Calculation Works

The calculator uses a widely-used approach sometimes called DIME — Debts, Income, Mortgage, Education. In plain terms, it adds up what you'd want to protect and subtracts what you've already got:

➕ What you'd want to cover

  • Outstanding mortgage
  • Other debts (loans, cards)
  • Income replacement (annual income × years)
  • Children's costs (childcare, education)
  • Funeral & final expenses

➖ Cover you already have

  • Existing life insurance
  • Employer death-in-service (often 3–4× salary)
  • Savings & assets you'd use

The result is an estimated shortfall — a starting point for the sum assured you might consider. It's deliberately simple: it doesn't model inflation, tax nuances or your whole financial plan, so treat it as a guide, not a final figure.

How Much Life Insurance Do You Actually Need?

There's no single right answer — it depends on your circumstances. Two common approaches:

  • Multiple of income: a quick rule of thumb is around 10× your annual salary. Fast, but rough.
  • Needs-based (this calculator): add up your actual responsibilities and subtract existing cover. More tailored, and usually more accurate.

If you're mainly covering a mortgage, your need may reduce over time (a repayment mortgage shrinks), which is where decreasing term cover fits. If you're replacing family income, a level amount often makes more sense. For the different policy shapes, see term life insurance and whole of life.

What Affects the Amount You Need

What About the Cost?

💡 This tool estimates cover, not price

The calculator works out how much cover you might need — the sum assured — not the monthly premium. The price of a policy depends on your age, health, whether you smoke, the cover amount and the term, and only an insurer can give an accurate figure. Any general price ranges you see online are illustrative, not a quote for you. See what affects term life cost, or how cover works for smokers.

Generally, term life is the cheapest cover and buying younger and healthier locks in a lower premium. To get real numbers, get a personalised quote and compare — see the best UK life insurers.

Know Your Number? Compare Life Insurance

Now you have a cover estimate, compare leading UK life insurers to find a policy and price that fit. Free and no obligation.

Aviva · Legal & General · Vitality · Royal London · Zurich · L&G

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Next Steps

  1. Use the estimate as a starting point — round it to a sensible figure
  2. Decide the typeterm vs whole of life, and how long
  3. Consider critical illness — you can often add critical illness cover
  4. Check what's excluded — read what life insurance doesn't cover
  5. Compare quotes — via the life insurance hub, or get regulated advice for a personal recommendation

Frequently Asked Questions

How does a life insurance calculator work?

A life insurance calculator estimates how much cover you might need by adding up your financial responsibilities — such as your outstanding mortgage, other debts, income you'd want to replace, and future costs like childcare — then subtracting any cover you already have, for example death-in-service from an employer. The result is a guide figure for the lump sum that could protect your family. It's an estimate for guidance, not a personal recommendation.

How much life insurance do I need?

A common rule of thumb is around 10 times your annual income, but it's better to add up what you're actually protecting: your mortgage and debts, the income your family would need for a set number of years, and costs like childcare and education, minus any existing cover. The right figure depends on your circumstances, so treat any calculator result as a starting point and consider advice from a regulated adviser.

Is this life insurance calculator accurate?

It gives a reasonable estimate based on the figures you enter, but it's a simplified guide, not a precise or personalised calculation. It doesn't account for every factor, such as inflation, changing circumstances or your full financial plan. Use it to get a sense of the cover you might need, then confirm the right amount and policy with a personalised quote or a regulated financial adviser.

Does the calculator tell me how much my policy will cost?

No. This calculator estimates how much cover you may need — the sum assured — not the monthly premium. The price of a policy depends on your age, health, whether you smoke, the cover amount and the term, and only an insurer can give an accurate quote. Any premium figures you see quoted generally are illustrative market ranges, not a quote for you.

Should I include my partner's income?

It depends on how your household relies on each income. Many couples calculate cover for each person based on the income and responsibilities that would need protecting if that person died. If you share a mortgage, you might consider a joint policy or two single policies. A calculator can help you estimate each person's need separately, which is often more accurate than a single combined figure.

Does this calculator store my information?

No. This calculator runs entirely in your browser and does not send, save or share any of the figures you enter. Nothing is stored once you leave the page. It's designed purely to give you a private, instant estimate of the cover you might need, with no personal data collected.

Is a life insurance calculator financial advice?

No. A calculator provides general guidance and estimates based on the numbers you enter — it is not regulated financial advice and not a personal recommendation to buy any particular policy. For advice tailored to your circumstances, speak to an FCA-regulated financial adviser, who can recommend a suitable amount, type and provider of cover.

ℹ️ Important Disclaimer

This calculator and guide are for general information and guidance only. They are not financial advice, not a personal recommendation, and not a quote. The estimate is based solely on the figures you enter and is simplified — it does not account for inflation, tax, or your full circumstances, and your actual cover needs may differ. Life insurance products, terms and pricing vary by provider and personal circumstances.

For a personal recommendation on how much cover to take, which type, and from which provider, speak to an FCA-regulated financial adviser. The tax treatment of life insurance depends on individual circumstances and may change; writing a policy in trust can affect inheritance tax. We may earn commission when readers compare cover through our links, which funds our research but doesn't affect our guidance. See our disclaimer and terms.

Last updated: July 2026. Independent guidance tool by Going Private UK. Estimates only, not financial advice — consider regulated advice before buying.

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