🥝 KiwiSaver Calculator: Balance at 65

How much will you have in KiwiSaver when you turn 65?

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Formula at a glance

KiwiSaver Calculator: Each year — balance × (1 + return) + you + employer (after ESCT) + government. Example: Age 30, $75,000, 3.5% → KiwiSaver at 65: $742,191
How the KiwiSaver Calculator works: Each year — balance × (1 + return) + you + employer (after ESCT) + government

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📘 About the KiwiSaver Calculator

KiwiSaver contributions come from you (3.5% minimum from April 2026), your employer (3.5%, taxed as ESCT) and the government (25 cents for every dollar you put in, up to $260.72 a year if you earn $180,000 or less).

Your fund type makes a big difference over decades: growth funds have historically returned more than conservative ones, with more ups and downs.

🧮 Formula

Each year
balance × (1 + return) + you + employer (after ESCT) + government

✏️ Worked examples

Age 30, $75,000, 3.5%

You enter
Your age30 years
Salary75,000 $
Your contribution3.5%
Employer contribution3.5%
Current balance10,000 $
Yearly return after fees and tax5.5%
Yearly pay rise3%
You get
KiwiSaver at 65$742,191
You contribute$158,713
Employer (after ESCT)$107,038
Government contributions$7,822
Investment returns$458,619

$742,191.

Age 45, $90,000, 6%

You enter
Your age45 years
Salary90,000 $
Your contribution6%
Employer contribution3.5%
Current balance60,000 $
Yearly return after fees and tax5.5%
Yearly pay rise3%
You get
KiwiSaver at 65$518,634
You contribute$145,100
Employer (after ESCT)$56,902
Government contributions$5,214
Investment returns$251,417

$518,634.

🧭 How to use this calculator

What you enter

  • Your age (years)
  • Salary ($)
  • Your contribution
  • Employer contribution (%)
  • Current balance ($)
  • Yearly return after fees and tax (%)
  • Yearly pay rise (%)

What you get

  • KiwiSaver at 65
  • You contribute
  • Employer (after ESCT)
  • Government contributions
  • Investment returns

❓ Frequently asked questions

How much does the government put into KiwiSaver?

25c for each $1 you contribute, up to $260.72 a year (from 1 July 2025), if you earn $180,000 or less and are 18 or over.

What is the KiwiSaver rate in 2026?

The default minimum is 3.5% for employees and employers from 1 April 2026, rising to 4% from April 2028.

Can I use KiwiSaver to buy a house?

Yes, after 3 years of membership you can withdraw most of your balance for a first home.

Which KiwiSaver fund should I choose?

Growth funds suit long time frames; conservative funds suit people needing the money soon.