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Life Insurance Calculator

Estimate how much life insurance cover you might need based on your income, debts, dependants, and future expenses like mortgage and education costs.

By Konstantin IakovlevPublished 28 March 2026Last reviewed
Data stays on your deviceVerified formula

About this calculator

This calculator implements Sorted insurance needs guide from DIME methodology. Last consulted 20 January 2026. Verify the figures yourself by following the link.

NZ life insurance benchmarks

Indicative — varies widely by age/health
  • Common rule of thumb: 10× annual income
  • NZ average funeral cost: ~$15,000
  • Cost to raise child to 18: ~$10,000/yr per child
  • Premium age 30 ($500k cover): ~$30-50/mo
  • Premium age 50 ($500k cover): ~$100-200/mo
  • Level vs stepped premiums: Level: fixed forever. Stepped: rises with age

Disclaimer

This calculator provides estimates for general information purposes only. Results are based on standard formulas and may not reflect your individual circumstances. Always consult a qualified professional for advice specific to your situation.

How much life insurance do you need?

Common rule: 10× your annual income, OR detailed calc = mortgage + living costs × years until kids independent + funeral + education.

  1. 1

    Income replacement

    Replacement = annual_income × years_dependants_need (10-15 yrs)

    Replaces your salary so family can survive without you.

  2. 2

    Debts to clear

    Debt_payoff = mortgage_balance + car_loans + credit_cards

    Removes financial pressure from family.

  3. 3

    Children's costs

    Kids_cost = $10k × number_children × years_to_18

    NZ average: $10k/child/year to raise.

  4. 4

    Funeral + final expenses

    Final = ~$15,000

    NZ average funeral cost.

  5. 5

    Total cover

    Cover_needed = sum_above − existing_savings

    Existing savings (KS, term deposits) reduce required cover.

Worked example

Inputs: $80k salary, $400k mortgage, 2 kids ages 5+8, $50k savings

Result: Income $800k + mortgage $400k + kids $250k + funeral $15k − savings $50k = $1.4M cover.

Frequently Asked Questions

How much life insurance do I need in NZ?
A common rule of thumb in New Zealand is to have life insurance cover of 10–12 times your annual gross income, though the right amount depends on your personal circumstances. Key factors to consider include: outstanding mortgage balance; other debts (car loans, personal loans); number and ages of dependants; expected future education costs for children; your partner's income and earning capacity; existing savings and investments; and how long your family would need income replacement. For example, someone earning $100,000 with a $600,000 mortgage and two young children might need $1–1.5 million in cover. Online calculators provide a useful starting point, but a qualified financial adviser can help model your exact needs. Life insurance needs typically decrease over time as mortgages are paid down and children become independent. Source: Financial Markets Authority — Life Insurance Guide (fma.govt.nz).
What factors determine life insurance premiums in NZ?
Life insurance premiums in New Zealand are calculated based on several risk factors. The primary factors are: age (premiums increase significantly with age — rates for a 45-year-old can be 2–3 times higher than for a 30-year-old); health status (pre-existing conditions may lead to exclusions or loadings); smoking status (smokers typically pay 2–3 times the premium of non-smokers); gender (women generally pay less due to longer life expectancy); the sum insured; and the policy type (term vs. whole-of-life). Occupations and pastimes assessed as high-risk may also attract premium loadings. Insurers use actuarial tables to price these risks. In New Zealand, premiums are not tax-deductible for personal life insurance. The Financial Markets Authority (FMA) regulates life insurers operating in NZ. Source: FMA — Life Insurance (fma.govt.nz).
Is life insurance tax-deductible in NZ?
No, personal life insurance premiums are not tax-deductible in New Zealand. You pay premiums from after-tax income and there is no rebate or deduction available through IRD for personal policies. This is different from some business contexts: if life insurance is taken out on a key person (key person insurance) for genuine business continuity purposes, the premiums may be deductible as a business expense, but the payout would then be taxable income to the business. Group life insurance provided by an employer as part of a salary package may be treated differently for fringe benefit tax (FBT) purposes. Life insurance payouts themselves are generally tax-free for personal policies — beneficiaries receive the lump sum free of income tax. Always seek advice from a tax professional or the IRD for your specific situation. Source: IRD — Life Insurance Tax Treatment (ird.govt.nz).
What is the difference between term and whole-of-life insurance?
Term life insurance provides cover for a fixed period — typically 10, 20, or 30 years, or until a set age such as 65 or 70. If you die within the term, your beneficiaries receive the agreed payout. If you outlive the term, the cover ends with no payment. Term insurance is the most common type in New Zealand and is generally far more affordable than whole-of-life. Whole-of-life insurance (also called permanent life insurance) covers you for your entire life and is guaranteed to pay out on death whenever it occurs. Premiums are substantially higher but the policy accumulates a cash value over time that you can access or borrow against. For most New Zealanders, particularly those with a mortgage and dependants, term insurance is recommended as the most cost-effective solution. Source: Insurance Council of New Zealand (icnz.org.nz) and FMA (fma.govt.nz).

Estimates how much life insurance cover you need in NZ, based on income replacement, mortgage payoff, and family expenses. A common rule of thumb is 10x annual income, adjusted for mortgage size, debts, and number of dependants.

How this calculator works

Cover needed = mortgage balance + (years until youngest child is financially independent x annual expenses) minus existing savings and assets. NZ life insurance premiums vary by age, health, smoking status, and sum insured. Note: ACC covers accidental death and injury but not illness-related death.

NZ Life Insurance Benchmarks

Typical NZ premium for $500k cover~$20-$100/month (age/health dependent)
Rule of thumb cover10x annual income, or mortgage + 5 years income
Term life vs whole-of-lifeTerm life typically cheaper for a given sum insured
ACC coverCovers accidental death and injury (not illness)

Get advice from a licensed financial adviser (FAP) to determine the right cover for your situation.

Worked Examples

Income $80,000, mortgage $450,000, 2 dependants aged 5 and 8

Suggested cover: ~$1,490,000.

  1. Mortgage payoff: $450,000
  2. Income replacement: youngest child independent at ~18, so 13 years
  3. Income replacement: 13 x $80,000 = $1,137,000
  4. Total suggested cover: $450,000 + $1,137,000 = $1,490,000
  5. Offset by any savings/KiwiSaver balance to reduce required cover

Single person, income $60,000, no mortgage, no dependants

$600,000 cover typical (10x income).

  1. No mortgage to cover
  2. No dependants — cover mainly for debt clearance and estate planning
  3. Rule of thumb: 10 x $60,000 = $600,000
  4. May reduce if minimal debts and substantial savings

Built and maintained by Konstantin Iakovlev. Data sourced from the IRD and official New Zealand government sources.

Last reviewed: