Sentinel Financial

Financial Tools

Run the numbers

Use our calculators to model your mortgage repayments, see how your investments could grow, compare KiwiSaver fund projections, and plan your retirement.

Mortgage Calculator

Estimate your weekly, fortnightly, or monthly mortgage repayments across different loan terms and interest rates.

Model your repayments

Extra Payments

Fortnightly Repayment

$1,457.93

Total Interest

$637,186.32

Total Paid

$1,137,186.32

Remaining Balance Over Time

Principal vs Interest

Principal
Interest

This calculator provides estimates only and does not constitute financial advice. Actual repayments may vary. Contact us for personalised advice.

Investment Calculator

Enter your starting balance, contributions, and expected return to see how your money could grow over time.

See compound growth in action

Projected Value

$300,851

Total Contributions

$130,000

Investment Growth

$170,851

Portfolio Growth Over Time

Value Breakdown

Your Contributions
Investment Growth

This calculator provides estimates only based on assumed constant returns. Actual returns will vary. Past performance does not guarantee future results. Contact us for personalised advice.

KiwiSaver Calculator

See how fund type, contribution rate, and fees could affect your KiwiSaver balance at retirement.

Compare your KiwiSaver projections

Conservative

3.5% p.a. return

$379,833

projected at retirement

You contributed$85,750
Employer contributed$85,750
Government contributed$18,250
Investment growth$175,083

Balanced

5.5% p.a. return

$596,889

projected at retirement

You contributed$85,750
Employer contributed$85,750
Government contributed$18,250
Investment growth$392,139

Growth

8.0% p.a. return

$1,087,517

projected at retirement

You contributed$85,750
Employer contributed$85,750
Government contributed$18,250
Investment growth$882,767

Choosing Growth over Conservative could mean $707,685 more at retirement

Projected Balance by Fund Type

Conservative
Balanced
Growth

Contribution Breakdown by Fund

You
Employer
Government
Growth

This calculator provides estimates only and does not constitute financial advice. Actual returns will vary based on market conditions, provider fees, and fund performance. Past performance is not a guarantee of future returns.

Retirement Planner

Work backwards from your ideal retirement lifestyle to see what it takes to get there.

Plan backwards from the life you want

You Need

$1,500,000

target nest egg

You're On Track For

$741,499

projected balance

Your Gap

$758,501

to close

You have a $758,501 gap to close. Here's how.

Increase Contributions

16%

currently 4%

Retire Later

Age 77

currently targeting 65

Current Path Supports

$29,660/yr

targeting $60,000/yr

Projected Growth vs Target

Projected Balance
Target Nest Egg

This calculator provides estimates only and does not constitute financial advice. Projections use a 4% safe withdrawal rate and assume constant returns. Actual outcomes depend on market conditions, fees, and individual circumstances.

Want personalised numbers? Let's talk.