The first quote most people get for term insurance is anchored by a single number — their annual income multiplied by 10. The agent, the bank's cross-sell pop-up, the in-app suggestion, all repeat it. The problem: the 10× rule was written for a country where inflation was low, households were small, and one earner supporting one dependent over 15 years was typical. Applied to a dual-income family with a mortgage and a 30-year horizon, it systematically underinsures.
The decision this page helps you make is narrow and expensive to get wrong: what sum assured should you lock for the next 25-35 years, priced at rates you cannot change later? The right approach is not a multiple — it is a three-block calculation grounded in the real cash your family needs after you are gone.
Why the "10× income" rule quietly fails
The 10× rule replaces ten years of pre-tax income. That sounds generous until you unpack it.
First, it ignores inflation. If your annual expenses are ₹8 lakh today, at 6% inflation they will be ₹25.6 lakh in year 20 of the policy. A lump sum that replaces income in today's rupees loses two-thirds of its purchasing power over the horizon it is meant to cover.
Second, it ignores liabilities. A family with a ₹60 lakh home loan and ₹10 lakh of other debt inherits the balance. Bank-sold "loan insurance" is typically a reducing-balance term policy stapled to the loan at worse rates than an open-market policy. Fold the liability into your main cover instead.
Third, it ignores dependents' time horizons. Two children aged 4 and 7 need household support for the next 16-18 years — not until they turn 18, but until their own independence. A 32-year-old parent's cover needs to carry the household to the dependents' self-sufficiency, not to the earner's theoretical retirement.
What this means for you: a multiple-based sum assured is a rough starting point. Every household is a combination of three cash needs, and the sum assured should replicate them.
The Three-Block Cover rule
We size term insurance in three additive blocks. Each block answers a specific question the family will face.
| Block | What it replaces | Rule of thumb |
|---|---|---|
| Income Replacement | Your contribution to household cash flow until you would have retired | 10-15× annual income for salaried earners in their 30s; 8-10× for those within 10 years of retirement |
| Liability Clearance | Outstanding balance on any debt that would pass to the family | 100% of current outstandings — home, car, personal, credit-card |
| Dependents' Support | Inflation-adjusted household running cost, escalated over the support horizon | Annual expenses × 0.5-0.8 dependents factor × years of support |
The Three-Block sum is almost always larger than the 10× rule for Indian households with young children and a home loan, and smaller than the rule for single earners with no dependents and paid-off liabilities. That gap is the entire point.
Our calculator builds on the Human Life Value method with a 12× default on the income block and an inflation-adjusted dependents component. The framework is defensible from first principles and matches IRDAI's own guidance that sum assured be linked to measurable financial liability, not a flat multiple.
What this means for you: compute the three blocks separately. Add them. Subtract your existing cover (employer + personal) to find the gap. Round up to the nearest ₹25 lakh, because term cover is not sold in fine increments and the marginal premium per ₹25 lakh is trivial at young ages. If you want to see how this sum assured sits alongside your health and critical-illness cover, take the combined view at the adequacy hub.
Stress-test your exact number
The calculator exposes the dependents factor, the inflation assumption, and the retirement horizon so you can see each block's contribution. Re-run it with your spouse's income at zero and at today's number to check how much of your cover is structurally needed versus a cushion. Term pays only on death — for the "alive but unable to earn" scenario, pair the sum assured with a critical illness calculator so the full protection stack is sized together.
What this means for you: do not accept the first output as final. Stress-test at inflation of 7% instead of 6%, retirement at 58 instead of 60, and one extra dependent (an aging parent). If the recommended cover swings by more than ₹50 lakh, those assumptions are load-bearing and should be resolved in writing with your spouse before the policy is bought.
When the 10× rule is actually enough
The Three-Block sum is the default. Four specific situations genuinely justify a lower cover, often at or below the 10× rule:
- Within 10 years of retirement with no dependents. Working life is short, dependents are self-sufficient, and accumulated investments are covering the gap. 6-8× income is often adequate.
- Dual earner where your spouse out-earns you by 2×. Your income block is support, not foundation. Liability and dependents blocks still matter, but the income multiple can drop to 6-8×.
- Home loan paid off, liquid investments ≥ 15× annual expenses. The corpus itself is a partial replacement. Carry cover only for residual liability and dependents' support.
- Employer group cover ≥ the calculated gap and 10+ years of stable tenure ahead. Still buy some personal cover so you are not un-insured on a job change, but the personal cover can be smaller.
Outside these four cases, treat the 10× rule as marketing, not a target.
Warning
Do not replace a pure term plan with a ULIP, endowment, or "term + investment" hybrid. These products charge 6-12% first-year loads against premiums that should be going toward cover, and the final maturity value is a small fraction of the same money invested in a diversified mutual fund alongside a cheaper term policy. If you are being pitched one of these, the seller earns a materially higher commission than they would on pure term. For the full math see the ULIP vs term + mutual fund comparison.
What you'll actually pay, and before you buy
Term is the cheapest protection rupee in India. Indicative annual premium for a ₹1 Cr online pure-term plan, 35-year cover period, non-smoker:
| Age at purchase | Male | Female |
|---|---|---|
| 25 | ₹9,500 - 11,500 | ₹8,000 - 9,800 |
| 30 | ₹12,000 - 14,000 | ₹10,000 - 12,000 |
| 35 | ₹17,000 - 20,000 | ₹14,500 - 17,000 |
| 40 | ₹25,000 - 30,000 | ₹21,000 - 26,000 |
| 45 | ₹40,000 - 48,000 | ₹33,000 - 40,000 |
Smokers pay 50-80% more at every age. Policies lock your rate for the full tenure, so the right time to buy is the day you have dependents or debt.
Premium payments of up to ₹1.5 lakh per year deduct under Section 80C, and the death benefit is tax-free under Section 10(10D) provided the sum assured is at least ten times the annual premium (trivially satisfied by any pure-term plan).
Info
A claim settlement ratio above 98% and a solvency ratio above 1.5× are the two IRDAI-published metrics worth checking before choosing an insurer. Claim settlement ratio is available in IRDAI's annual report and every major insurer publishes it. Ignore brand familiarity — three lesser-known insurers often post higher settlement ratios than the household names.
Before you buy — a 6-step checklist:
- Run the Three-Block sum. Round up to ₹25 lakh increments.
- Subtract existing cover (employer + personal). Buy only the gap.
- Pick a tenure that runs to age 60-65, not a shorter one for lower premium.
- Disclose smoking and pre-existing conditions truthfully — the cheapest path to a rejected claim is a misstatement.
- Compare at least three insurers by claim settlement ratio and solvency, not just premium.
- Set a calendar reminder to re-size after a material life event: child's birth, property purchase, major income jump.