Budget Planner
Map out your monthly income and expenses to understand how much you can comfortably put toward a home loan repayment.
Budgeting Calculator
Enter income and expenses to see your monthly and annual surplus or deficit, then export to Excel.
Setup
Add your name, select a year and first payday date to estimate fortnightly paydays and weekly counts per month.
Used on your Excel export.
Proposed mortgage payment
Included in expenses as a weekly amount.
Weekly count method
Weekly items scale by number of Mondays in each month.
Method
Mondays in month
e.g., if a month has 5 Mondays, a NZ$100/week item becomes NZ$500 that month.
Month stats
Calculated from your year and first payday date.
| Month | # Paydays (ftn) | # Weeks (Mon) |
|---|
Income
Amounts spread across months based on frequency.
Swipe to see more →
| Item | Amount | Frequency | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total income |
Expenses
Mortgage payment is included as a weekly expense.
Swipe to see more →
| Item | Amount | Frequency | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total expenses | ||||||||||||||||
| Surplus / Deficit |
Summary
ReadyTotal annual income
NZ$0
Total annual expenses
NZ$0
Annual surplus / deficit
NZ$0
How to use this calculator
- Enter your name, choose the year, and set your first payday date.
- Add income lines and choose the right frequency (weekly, fortnightly, monthly, yearly).
- Add expense lines including your proposed mortgage payment per week.
- Review the monthly surplus or deficit row and the annual totals in Summary.
- Download Excel to save or share your budget.
Example (New Zealand)
Sophie earns NZ$3,200 per fortnight. She adds weekly costs like NZ$200 groceries andNZ$120 petrol, monthly bills like NZ$180 power and NZ$75 internet, and a proposed mortgage payment of NZ$1,200 per week. The calculator totals everything per month and shows whether Sophie has a surplus or deficit.
* This is a guide only. Actual affordability and lending outcomes depend on your circumstances and lender policy.
Want a personalised budget review?
Talk to an AML adviser and understand your options.
Calculator Disclaimer: Results are indicative estimates only and are not a quote or pre-approval. Contact an AML Home Loans adviser for accurate advice.
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