Free calculators | 2026-27 rates | General information only
Free tax calculators
Quick estimates using ATO and Victorian rates as at the date shown on each calculator. Each one explains its assumptions and limits, and runs in your browser, so nothing you enter is stored.
Before you use a calculator. Results are general information only, not advice for your circumstances, and must not be used to lodge a return or apply for finance. Botanica Accounting does not hold an Australian financial services licence or an Australian credit licence. By using a calculator you agree to our terms of use and disclaimer.
Group 1 of 4
Personal tax and super
Take-home pay
Weekly, fortnightly and monthly pay after tax, Medicare and HELP.
Open calculator →Tax refund estimator
Your likely refund or bill for 2025-26.
Open calculator →First home super saver
What saving through super could add to a home deposit.
Open calculator →Super salary sacrifice
The tax effect of putting more of your pay into super.
Open calculator →HELP repayment
Your compulsory HELP repayment and payoff time.
Open calculator →Not sure which applies?
Tell us what you are working out and we will point you in the right direction.
Send an enquiry →Group 2 of 4
Sole traders and contractors
Sole trader tax
Tax on your business profit and how much to put aside.
Open calculator →Contractor or employee
Compare a salary with a contract rate, side by side.
Open calculator →GST and BAS
Estimate this quarter's BAS by label.
Open calculator →PAYG instalments
Your quarterly instalments and the effect of varying them.
Open calculator →Tax set-aside
How much of each payment to put aside for tax, GST and super.
Open calculator →Not sure which applies?
Tell us what you are working out and we will point you in the right direction.
Send an enquiry →Group 3 of 4
Business owners
Business structure comparison
Sole trader, company or trust at your level of profit.
Open calculator →Company tax
Base rate entity test, tax payable and franking.
Open calculator →Division 7A loans
Minimum yearly repayments on a loan from your company.
Open calculator →Franking credits
What a franked dividend is worth after tax.
Open calculator →Victorian payroll tax
Payroll tax on your Victorian wages.
Open calculator →Not sure which applies?
Tell us what you are working out and we will point you in the right direction.
Send an enquiry →Group 4 of 4
Property
Victorian stamp duty
Land transfer duty on a Victorian purchase.
Open calculator →First home buyer duty
Victorian exemptions and concessions for first home buyers.
Open calculator →Capital gains tax
Tax on selling shares, ETFs or an investment property.
Open calculator →Investment property
Cash flow before and after tax, over time.
Open calculator →Rental deductions
Which rental costs you can claim now, over time, or not at all.
Open calculator →Not sure which applies?
Tell us what you are working out and we will point you in the right direction.
Send an enquiry →Get in touch
Want the numbers checked?
A calculator gives you a starting point only. If you become a client, we look at your full situation and advise you.