Human Life Value Calculator
Lifetime income value.
Calculate Human Life Value for life insurance — the present value of future income contribution to the household until retirement.
What this tool does
Human Life Value (HLV) calculates the present-day worth of an earner's future income contribution to their household. The calculator takes your annual income, years until retirement, expected income growth rate, discount rate, and the percentage of income spent on personal living expenses, then models how much income flows to dependents or household goals over time. The result represents this future stream of contributions reduced to today's money value, accounting for both growth and the time value of money. Income growth and discount rate are the primary drivers of the final figure. For example, someone planning life insurance coverage might use HLV to estimate a replacement income need. The calculation assumes consistent growth and discount rates and doesn't factor in taxes, inflation adjustments beyond the growth rate entered, or changes in household structure.
Quick answer: with the default values, the result is $920,611.02 (Human Life Value). Adjust the values below for your own figures.
Enter Values
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Formula Used
Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Human Life Value (HLV) estimates the present value of future income a person contributes to their household. It's the classical method for sizing life insurance. Take annual income minus self-maintenance (what you'd spend on yourself if alone), project forward to retirement with growth, discount back to present value.
60k annual income, 30 years to retirement, 3% income growth, 5% discount rate, 30% self-maintenance. Contributed income: 42k/year today, growing 3%/year. Present value over 30 years: approximately 789k. That's the amount of life cover theoretically needed to replace your contribution to your household.
HLV gives a theoretical ceiling; practical insurance needs are usually less. Factors that reduce need: partner income, investments, grown children, paid-off mortgage. Factors that increase need: young children, single-earner household, large mortgage. Most people with 2-3 dependents end up needing 60-80% of HLV; single people with no dependents often need nothing.
A worked example
With the defaults: annual income of 60,000, years to retirement of 30 years, income growth of 3%, discount rate of 5%. The tool returns 920,611.02. You can adjust any input and the result updates as you type — no submit button, no reload. That's the real power here: seeing how sensitive the output is to one or two assumptions.
What moves the number most
The result responds to Annual Income, Years to Retirement, Income Growth %, Discount Rate %, and Self Maintenance %. Not every input has equal weight. Adjusting one input at a time toward extreme values shows which ones move the result most.
The formula behind this
HLV = sum of (contributed income × (1+growth)^year / (1+discount)^year). Contributed income = income × (1 - self maintenance %). Everything the calculator does is shown in the formula box below, so you can check the math against your own spreadsheet if you want.
Using this as a check-in
Running this every three months shows a trend rather than a single snapshot. One reading shows where things stand; several over time show whether they are improving. The trend matters more than any individual reading.
What this doesn't capture
The result reflects only the inputs you provide and the assumptions built into the formula. It is a simplified model rather than a complete picture, and factors specific to your situation may matter just as much.
£60,000 income × 30y, 3% growth, 5% discount, 30% self = $920,611.02.
Inputs
| Contributed Income/Year | $42,000.00 |
|---|---|
| Years to Retirement | 30 years |
| Total Future Value | $1,260,000.00 |
| Suggested Life Cover | $920,611.02 |
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
The calculator computes human life value by summing the present value of after-maintenance income over the years remaining until retirement. For each year, it applies the self-maintenance percentage to annual income, yielding the amount available for dependents or others. This contributed amount then grows at the specified annual growth rate. Each year's contributed income is discounted back to today's value using the discount rate, which reflects the time value of money. The model assumes constant growth and discount rates throughout the period, treats self-maintenance as a fixed percentage of gross income, and does not account for taxes, inflation separately from the growth rate, changes in earning capacity beyond the stated growth rate, or variations in actual returns.
References
Frequently Asked Questions
HLV vs needs-based analysis?
Why discount future income?
What if I have a working partner?
Does it include investments I've already built?
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