Health Insurance Calculator

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Medical inflation in India has consistently outpaced general inflation, and a single hospitalisation can wipe out years of savings if you are relying only on an employer's group cover. Health insurance is the buffer that keeps a medical emergency from becoming a financial one.

Most families struggle with a simple question: how much sum insured is actually enough? Buying too little defeats the purpose of insurance, while buying more than you need pushes up premiums unnecessarily. The FinToolkit health insurance calculator uses your household income, city and family composition to suggest a sensible sum insured and premium range.

Below we explain the method, work through a family's numbers, and cover the choices that matter most when picking a floater health plan.

What is the Health Insurance Calculator?

It is a tool that recommends a floater sum insured for your family and estimates the annual premium you might pay for it. Inputs include the age of the eldest member, number of adults and children covered, your city tier, and annual household income.

The output gives a suggested sum insured, an indicative premium before and after GST, and the number of members the cover would protect. It is meant to be a starting benchmark before you compare specific insurer plans.

How the health insurance calculator works

The tool anchors the base sum insured to half your annual household income, with a floor of Rs 5,00,000, since income broadly indicates the standard of hospital care a family would seek. This base is then adjusted for city tier, since treatment costs in metros are meaningfully higher than in smaller towns, and topped up for each additional adult and child covered under the floater.

The premium calculation scales with sum insured, rises with the eldest member's age, applies the same city multiplier, and adds a loading for each extra adult and child sharing the floater.

Formula

Base sum insured = max(Annual income × 0.5, Rs 5,00,000)
Sum insured = Base × City multiplier + (Adults − 1) × 2,00,000 + Kids × 1,00,000
Age multiplier = 1.055 ^ (Age of eldest − 30)
Indicative premium = (Sum insured ÷ 100,000) × Rs 1,100 × Age multiplier × City multiplier × [1 + (Adults − 1) × 0.7 + Kids × 0.35]
Premium incl. GST = Premium × 1.18

Calculation method (step by step)

  1. Enter the age of the eldest person who will be covered, since premiums are priced on the oldest member of a floater.
  2. Enter the number of adults and children who need cover under the same floater plan.
  3. Select your city tier — metro, tier 2, or tier 3/town — as hospital costs vary sharply across India.
  4. Enter your annual household income to anchor the base sum insured.
  5. The calculator returns a suggested sum insured and an indicative premium, including GST at 18 percent.

Real-life example

Consider the Sharma family: eldest member aged 40, two adults and two children, living in a metro city, with annual household income of Rs 18,00,000.

ItemValue
Base sum insured (18,00,000 × 0.5)Rs 9,00,000
Add for extra adult and 2 kidsRs 4,00,000
Suggested sum insuredRs 13,00,000
Indicative annual premiumapproximately Rs 58,619
Premium incl. 18% GSTapproximately Rs 69,170

The Sharmas should look for floater plans around Rs 13 lakh sum insured, budgeting roughly Rs 69,000 a year including tax, though actual insurer quotes will vary with plan features and medical history.

Benefits

Limitations

Who should use it

This calculator is useful for anyone buying their first family floater policy, for those relying solely on an employer's group health cover, and for families reviewing whether their existing sum insured still matches rising medical costs. It is particularly relevant when a new child is born, when parents move in with you, or when you change cities to a higher-cost metro.

Common mistakes to avoid

Expert tips

Frequently asked questions

How much health insurance cover is enough for a family?

A common benchmark is roughly half your annual household income, with a minimum of Rs 5-10 lakh, adjusted upward for metro cities and larger families. Review the amount every few years as medical costs and family size change.

Should I buy an individual or floater health policy?

A floater policy covers the whole family under one sum insured at a lower combined premium, which suits younger families. Individual policies suit older members or those with medical conditions where floater pricing becomes inefficient.

Why do metro cities have higher premiums?

Hospital and treatment costs are significantly higher in metro cities due to higher operating costs and specialist fees. Insurers price this into both the sum insured recommendation and the premium through a city multiplier.

What is a super top-up plan?

A super top-up plan provides additional cover once your base health policy's sum insured is exhausted beyond a deductible threshold. It is a cost-effective way to raise your overall protection without buying a much larger base policy.

Does age affect health insurance premium significantly?

Yes, premiums rise noticeably with the age of the eldest member covered, since older members have higher claim probability. Buying health cover early locks in lower entry-age pricing and shorter waiting periods for pre-existing conditions.

Is GST applicable on health insurance premiums?

Yes, health insurance premiums attract 18 percent GST in India, which is added on top of the base premium quoted by the insurer. Always check whether a quoted premium is inclusive or exclusive of this tax.

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Educational purpose

FinToolkit is an educational tool. Nothing here is investment, tax, insurance or legal advice, and no result should be treated as an offer or a quote.

Financial accuracy

Every result is produced by a published formula running at full double precision in your browser. Only the displayed figures are rounded.

Formula verification

Each formula is checked against the standard method used by Indian lenders, fund houses, insurers or the relevant statute, and re-verified whenever rules change.

Data sources

Rules and rates are taken from official sources such as the Income Tax Department, RBI, SEBI, EPFO, PFRDA and India Post.

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