Find calculators and worksheets for fringe benefit tax

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Use our online calculators, downloadable worksheets and returns for fringe benefit tax (FBT).

You can also find our calculators in myIR, when you fill out your FBT return.

Work out taxable value and file an FBT return

Online calculators

Fringe benefit tax quarterly calculator

Use this calculator to work out FBT on all benefits provided when you file quarterly FBT returns.

Fringe benefit tax income year calculator

Use this calculator to work out FBT on all benefits provided when you file income year FBT returns.

Fringe benefit tax annual calculator

Use this calculator to work out FBT on all benefits provided when you file annual FBT returns.

Quarterly returns worksheets

FBT taxable value calculation sheet - Quarterly IR427 2023 (PDF 105KB) Download form

FBT alternate rate calculation sheet - quarterly returns IR417 Jun 2025 (PDF 93KB) Download worksheet

Fringe benefit tax quarterly return IR420 2024 (PDF 133KB) Download return

Income year returns worksheets

FBT taxable value calculation sheet - income year IR428 2023 (PDF 579KB) Download form

FBT alternate rate calculation sheet - income year return IR418 Jun 2025 (PDF 84KB) Download form

Fringe benefit shareholder/employee income year tax return IR421 Jun 2024 (PDF 83KB) Download form

Annual returns worksheets

FBT taxable value calculation sheet - annual year IR429 2023 (PDF 445KB) Download form

FBT alternate rate calculate sheet - annual return IR419 Jun 2025 (PDF 80KB) Download worksheet

Fringe benefit ordinary employee annual tax return IR422 Jun 2024 (PDF 83KB) Download form

Last updated: 01 Apr 2026