Home/ Tax & Pay/ FBT GST Adjustment
Tax & Pay Calculator

Free FBT GST Adjustment Calculator for New Zealanders

GST-registered NZ employers must return GST output tax on the supply of fringe benefits. The 15/115 fraction of the benefit value is the GST component, the rest forms part of the FBT taxable value.

Your benefits

$20,000
$
$100$200k
GST output adjustment
$2,609
15/115 of benefit value

Of $20,000 in GST-inclusive benefits, the GST component is $2,609.

Benefit value (GST-inclusive)$20,000
GST output (15/115)$2,609
FBT taxable value (excl. GST)$17,391
FBT @ 63.93% on GST-inclusive value$12,786

About our FBT GST Adjustment Calculator

Disclaimer: This calculator is for information only and does not constitute financial advice. Real-world figures may differ due to fees, rounding, rate changes, and policy specifics. Always confirm figures with the relevant provider before signing anything.