DTI Calculator

Debt-to-income ratio (NZ RBNZ DTI cap is 6).

NZ$

Debts

NZ$
NZ$
NZ$
NZ$
DTI ratio
4.33
Within owner-occupier cap of 6.
4.33046710
Comfortable
Within cap
Investor-only zone
Exceeds caps
Total debt$520,000.00
Annual income$120,000.00
DTI4.33
RBNZ cap6 (owner-occupier) / 7 (investor)

About this calculator

DTI = total debt ÷ gross annual income. The Reserve Bank caps owner-occupier DTI at 6 (since mid-2024).

  • Investor cap is DTI 7.
  • 20% of new lending may breach the cap as a "speed-limit" buffer.

Frequently asked questions

What counts as debt?
All of it: mortgage, car loan, credit-card limits, student loan principal, personal loans.

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Calculator NZ provides general information only. For decisions with significant financial, medical or legal consequence please consult a qualified professional.