Term vs Whole Life Insurance Calculator
Compare term and whole life by investing the premium difference, to test whether buy term and invest the rest wins.
Want to understand the concept, not just the number? Read The Insurance Decisions Guide .
How it's calculated
Whole life insurance costs far more than term because part of the premium builds a cash value. The classic counterargument is buy term and invest the rest. Buy cheap term insurance for the years your family needs coverage, then invest the money you would have spent on the pricier whole life premium. The question is whether that invested difference beats the whole life cash value.
Take the default. Term coverage costs $500 a year, whole life $5,000, a difference of $4,500 a year. Invest that $4,500 annually, about $375 a month, at a 7 percent return for 30 years, and it grows to about $457,489. The whole life policy, meanwhile, illustrates a cash value of $250,000 after the same 30 years. Buying term and investing the difference comes out about $207,489 ahead, and that invested money is fully yours, with no surrender charges or loans against it.
The math usually favors buy term and invest the rest, especially over long horizons and at market returns, because whole life mixes insurance with a low-return savings account and high fees. Whole life still has a place for some people, such as those who want lifelong coverage, a forced savings habit, or specific estate-planning benefits. But if the goal is the most money for your family, compare the numbers here first. The catch is discipline. Buy term only works if you actually invest the difference rather than spend it.
Assumptions
- The premium difference between whole life and term is invested monthly at your chosen return. That ending value is compared against the whole life cash value you enter.
- Both policies are assumed to provide the coverage you need. This compares the money side only, not the guarantees or estate-planning uses some buyers want from whole life.
Last updated: 2026-08-08
These assumptions follow our general methodology.
Frequently asked questions
Is term or whole life insurance better?
For most families, term is the better value. It costs a fraction of whole life and covers the years your family depends on your income. Whole life adds lifelong coverage and a cash value, but at a much higher cost and usually a low return. Buy term and invest the difference tends to leave you with more.
What does buy term and invest the difference mean?
It means buying inexpensive term insurance for the coverage you need, then investing the money you save versus a whole life premium. Over time, that invested difference often grows to more than the cash value a whole life policy would build, and the money stays fully yours.
When does whole life insurance make sense?
Whole life can fit people who want guaranteed lifelong coverage, a forced savings mechanism, or specific estate-planning and tax goals, such as leaving a set sum regardless of when they die. For pure protection and growth, though, term plus investing usually wins.
Why is whole life so much more expensive?
Because part of every premium funds the cash value and the policy costs, on top of the insurance itself. That built-in savings account tends to earn a modest return after fees, which is why investing the same difference in low-cost funds often does better over long periods.