Chapter 4 of 12
How Much Term Insurance Do You Need?
Calculate the right sum assured for your family.
Arjun, 32, recently bought a ₹50 lakh term insurance policy. His agent said it was "more than enough." When Arjun ran the numbers — his home loan, his kids' future education, his wife's living expenses for the next 25 years — he realised ₹50 lakh would last his
family barely two years. He had bought the cheapest policy not the right policy.
Calculating the correct amount of life insurance coverage is one of the most important
financial planning decisions you will ever make.
Why Coverage Amount Matters More Than Premium
Most people focus on minimising their premium. The right question is: how much money does my family need to maintain their lifestyle indefinitely if I am gone? Underinsuring
is nearly as bad as having no insurance — you pay for years but the payout falls short
when it matters most.
A ₹50 lakh payout invested at 7% generates ₹3.5 lakh per year — barely enough for basic living in any metro city, and nowhere near replacing a ₹10+ lakh annual income. For most working professionals in India, ₹1.5 crore is the minimum starting point, and many need ₹2–5 crore to truly protect their families.
Method 1: Income Replacement
The simplest method: your cover should be large enough that, when invested conservatively (at 6–7% returns), it generates an annual income close to your current salary.
Arjun earns ₹12 lakh/year. He is 32, expects to work until 60 (28 more years).
- Simple income replacement: ₹12 lakh × 20 years = ₹2.4 crore
- Inflation-adjusted (income at 6% inflation): requires ₹3–3.5 crore corpus investedat 8–9% to generate an inflation-growing income
- Rule of thumb: Income Replacement method suggests 15–20× annual income
- For Arjun: ₹12 lakh × 15 = ₹1.8 crore minimum
Method 2: Human Life Value (HLV)
Arjun, age 32, annual income ₹12 lakh, expected retirement at 60 (28 years remaining),
assumed income growth 8%/year, discount rate 7%:
- Present value of 28 years of income (growing annuity formula at 8% growth, 7%discount): approximately ₹3.5–4 crore
- Minus: personal consumption (amounts he would have spent on himself, ~25% ofincome) = deduct ₹85–90 lakh
- HLV estimate: ₹2.6–3.1 crore
HLV gives the most academically rigorous estimate but requires financial expertise to calculate precisely. Most online HLV calculators use simplified inputs.
Method 3: DIME Formula
Arjun's profile: Age 32, Income ₹12 lakh/year, Spouse Meena (homemaker), 2 kids (ages 4 and 7), Home loan outstanding ₹40 lakh, Car loan ₹3 lakh, Credit card ₹50,000.
D — Debt (all loans except home loan):- Car loan: ₹3 lakh
- Credit card: ₹50,000
- Other debt: ₹0
- Subtotal D: ₹3.5 lakh
- ₹12 lakh × 20 years = ₹2,40,00,000 (₹2.4 crore)
- Outstanding home loan: ₹40 lakh
- Child 1 (age 7): college in ~11 years, estimated cost ₹20 lakh today → inflationadjusted ₹40 lakh
- Child 2 (age 4): college in ~14 years, estimated cost ₹20 lakh today → inflationadjusted ₹50 lakh
- Subtotal E: ₹90 lakh
Total DIME: ₹3.5L + ₹2.4Cr + ₹40L + ₹90L = ₹3,73,50,000 (~₹3.75 crore)
Arjun should aim for at least ₹2 crore cover (budget-adjusted minimum) and ideally ₹3.5 crore if affordable. The ₹50 lakh policy he had is dangerously inadequate.
As a practical starting guideline: your term insurance cover should be a minimum of 10–15× your current annual income. For a ₹12 lakh salary that means ₹1.2–1.8 crore. If you have significant loans or dependents, use the DIME formula for a more accurate number which will typically be higher.
Which Method Should You Use?
| Method | What It Calculates | Arjun's Result | Best For |
|---|---|---|---|
| Income Replacement (15× rule) | 15 × annual income | ₹1.8 crore | Quick estimate, no major loans |
| Human Life Value (HLV) | PV of future earnings | ₹2.6–3.1 crore | Precise planning with financial advisor |
| DIME Formula | All financial obligations | ₹3.75 crore | Complete picture with loans and children |
For most people, the DIME formula gives the most realistic and complete picture because it accounts for actual liabilities. Use the 10–15× rule
as a sanity check minimum.
In the DIME formula for calculating insurance needs, what does the 'E' stand for?
Key Takeaways
- ₹50 lakh cover is dangerously inadequate for anyone earning ₹10+ lakh/year — the minimum rule of thumb is 10–15× annual income
- The DIME formula (Debt + Income + Mortgage + Education) gives the most complete picture of your family's actual financial needs
- For Arjun earning ₹12 lakh with home loan and two kids, the DIME calculation suggests ₹3.75 crore in cover — vs the ₹50 lakh he originally bought
- Recalculate required cover every 3–5 years as your income, loans, and family situation change