ATO's most popular forms, calculators and tools

Tax Calculators

These calculators will help you to calculate the tax you owe on your taxable income for the previous five income years.

Individual tax return instructions

The Individual tax return instructions and Individual tax return instructions supplement are designed to help you to complete your tax return.

Tax file number declaration

Complete a Tax file number declaration so your payer can work out how much tax to withhold from payments they make to you.

Superannuation (super) standard choice form

This form is for employers to advise employees of the employer’s nominated fund, and for employees to tell an employer of their choice of fund

Superannuation guarantee contributions calculator

he Super guarantee (SG) contributions calculator tool helps you work out the superannuation guarantee amount to pay to your employee’s super fund.

Searching for lost super

Form and instructions for super account holders to request a search for lost super using the lost members register and unclaimed super money register.

Do I need to lodge a tax return?

To help you work out if you need to lodge a tax return for the current and prior income years

Medicare levy calculator

The Medicare levy calculator allows you to estimate your Medicare levy for the past five income years, taking into account any entitlement to a reduction or exemption.

Private health insurance rebate calculator

The private health insurance rebate is an amount the government contributes towards the cost of your private hospital health insurance premiums.