Tools / Expense tax savings

How much tax will a business expense save me?

A business purchase costs less than its sticker price: if you're GST registered you claim the GST back, and the cost comes off your taxable income. Enter an amount to see the real cost after both.

The purchase

NZ 2025-26

Purchase amount (incl. GST)

Your expected income this year (ex GST)

I'm GST registered

It would really cost you

$670.00

after $480.00 of tax saved on a $1,150.00 purchase.

You pay: $1,150.00
GST claimed back: - $150.00
Income tax saved: - $330.00
True cost: $670.00

An estimate, assuming the purchase is fully for business and deductible. Not tax advice.

Coffer works this out for you, all year.

Invoice through Coffer and it tracks your income, ringfences your GST and tax as you get paid, and shows what a purchase costs without the mental math.

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