Disposable Income Calculator

Income left after tax and fixed costs.

NZ$

Monthly fixed costs

NZ$
NZ$
NZ$
NZ$
Monthly disposable income
$1,016.67
After tax & essentials. Annual: $12,200.00
Monthly take-home$4,916.67
Fixed costs−$3,900.00
Disposable$1,016.67

About this calculator

Disposable income = take-home pay − the bills you can't avoid. What's left for savings and discretionary spending.

  • Use this to set a realistic savings rate.
  • Compare with the 50/30/20 rule (50% needs / 30% wants / 20% saving).

Frequently asked questions

What counts as "fixed"?
Rent/mortgage, council rates, utilities, insurance, phone/internet, transport, groceries (necessities portion).

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