Healthcare Insurance Opportunity Cost Calculator
Future value of private health insurance premiums if invested instead.
Calculate what your private healthcare premiums would grow to if invested over the years you pay them. Enter investment return and see the result instantly.
What this tool does
Private health insurance is ongoing cost. Enter monthly premium, years you expect to pay, and an expected investment return. The tool returns the future value if those premiums had been invested instead — the opportunity cost of insurance that's rarely used.
Enter Values
Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
150 monthly premium over 20 years at 7% invested grows to roughly 78,100. Whether insurance is worth it depends on the probability of catastrophic healthcare costs and your tolerance for them. The tool doesn't say don't insure — it quantifies the alternative so the decision is informed.
How to think about it
Insurance is paying for certainty. If you could comfortably pay a 30,000 catastrophic bill from savings, insurance is buying peace of mind at a compound-growth cost. If you couldn't, insurance provides real protection. The right answer depends on your balance sheet and risk tolerance.
Run it with sensible defaults
Using monthly premium of 150, years of 20 years, investment return of 7%, the calculation works out to 78,139.00. Nudge the inputs toward your own situation and the output recalculates instantly. The defaults are meant as a starting point, not a recommendation.
The levers in this calculation
The inputs — Monthly Premium, Years, and Investment Return — do not pull with equal force. Frequency and unit price pull the total in different directions. The biggest surprise for most people is how small recurring amounts compound into large annual figures — that's where this calculation earns its keep.
How the math works
Standard future value of monthly annuity. Does not model insurance payouts, so this is strictly the cost side of the ledger. A complete analysis combines this with expected value of claims (probability × average claim cost). The working is transparent — you can verify every step yourself in the formula section below. No black box, no opaque "proprietary model".
What the score tells you
Headline financial numbers — income, savings, debt — each tell part of the story. This calculation stitches several together into a single read you can track over time. The value is in the direction, not the absolute number.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
The future value of invested premiums is shown above.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
Standard future value of monthly annuity. Does not model insurance payouts, so this is strictly the cost side of the ledger. A complete analysis combines this with expected value of claims (probability × average claim cost).
References
Frequently Asked Questions
Does this mean I should drop insurance?
What return rate is realistic?
Does public healthcare/public healthcare affect this?
What if I've used insurance heavily?
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