Home Loan Borrowing Calculator

Estimate how much you can borrow using current NZ tax, ACC and lending settings.

Your Financial Details

First Home Buyer

First-home buyers can withdraw most of their KiwiSaver (must leave $1,000) and may qualify for a First Home Loan (grant scheme closed May 2024).

Gross Annual Income

Your total income before tax and deductions. Include salary, bonuses and regular income.

Your Net Monthly Income:$4,999

Combined Net Monthly Income:$4,999

Based on 2025/26 tax rates, ACC levy 1.67% (cap $2,551.59) and 3% KiwiSaver.

KiwiSaver Contribution Rate

Your KiwiSaver employee contribution rate. This affects your take-home pay calculations. Standard rate is 3%, but you can choose your actual rate.

Standard rate is 3%. Applies to both primary and partner income.

Available Savings

Savings available for deposit (separate from your initial deposit amount).

KiwiSaver Balance

First-home buyers can withdraw most of their KiwiSaver (must leave $1,000).

Approx. eligible withdrawal: $29,000

Current Property Value

Current market value of your existing property. Leave at 0 if you don't own property.

Monthly Living Expenses

Include groceries, utilities, transport, insurance, childcare, and other regular expenses.

Existing Debt Payments

Monthly payments for credit cards, personal loans, car loans, and other debts.

Total Outstanding Debt Balance

Total amount owed on credit cards, personal loans, car loans, and other debts. This affects your DTI cap (6x owner-occupier, 7x investor).

Include all cards (often assessed on limit), loans, and other debt balances.

Available Deposit

Your available cash deposit (before adding eligible KiwiSaver and equity).

Interest Rate

Enter your expected mortgage rate (assessment adds a 3% buffer for affordability).

Loan Term (Years)