Secondary Tax Calculator
See how secondary income is taxed in NZ and your combined take-home pay.
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ℹ️Choose SB if this is your only income. Use SH/ST/SA if your combined income puts you in a higher tax bracket — IR will reconcile at year end.
Gross secondary income$20,000
PAYE tax$2,408
ACC levy$350
Total deductions$2,758
Take-home$17,242
Effective rate13.8%
Total gross income$105,000
Total take-home$82,827
Overall effective rate21.1%
💡If you consistently underpay tax on secondary income, IR may set up an Inland Revenue Code (IR33) adjustment — check your myIR at year end.