Instant Asset Write-Off Calculator

See the real after-tax cost of a business asset you write off this year.

Your details

Asset cost (excluding GST)

Business use percentage

Who is buying the asset?

Your marginal tax rate (sole traders)

What the asset really costs

Effective after-tax cost of the asset

$10,200

Deductible amount (business use portion)$15,000
Estimated tax saved in the year you buy$4,800
Tax rate applied32%

A write-off reduces your tax, it does not refund the purchase — you are still out of pocket for the after-tax cost above. The private use portion is never deductible.

Confirm the current threshold with us

This calculator gives a general estimate only. It is not personal financial, credit or tax advice and does not take your objectives or circumstances into account.

What this calculator assumes

Rates and thresholds for the 2026-27 financial year, current as at July 2026.
The asset must cost less than the instant asset write-off threshold that applies in the year it is first used or installed ready for use — thresholds change often, so confirm the current threshold and your eligibility with us before you buy.
Assumes an eligible small business using simplified depreciation, and that the asset is first used or installed ready for use within the year.
Cost is shown excluding GST because a GST-registered business claims the GST separately on its BAS.
Rates and thresholds current as at July 2026.

This calculator provides a general estimate only. It is not personal financial, credit or taxation advice and does not take your objectives, financial situation or needs into account. Counting Beans A.F. provides financial advice under AFSL 491754 (D&M Financial Services Pty Ltd) and credit assistance under Credit Representative number 528884. Please read our Financial Services Guide and Credit Guide, and speak with us before acting on any result.

Instant Asset Write-Off Calculator

Your details

What this calculator assumes

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