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Free tax tools

Income tax, GST and VAT, super, capital gains and more — 23 calculators and references covering up to 193 countries. Fin does the maths, shows the formula and names the source.

What would you like to work out?

My business

GST, your BAS and company tax, worked out for you.

Property & investing

Capital gains, crypto and depreciation.

Super & study loan

Your Super Guarantee and what HECS/HELP takes.

Claim what is yours

A checklist of deductions for how you work.

Plan my cash

Your next 90 days with the low point marked, and what a loan really costs.

Compare countries

Rates, names and facts side by side.

  • Sourced rates

    Source named on every result

  • 193 countries

    Covered for GST and VAT rates

  • Runs in your browser

    Calculated on this page

  • Free, no sign-up

    No card, no usage limits

Quick GST & VAT calculator

Add or remove tax on any amount, in 193 countries.

Total including GST

$110.00

Price before GST
$100.00
GST (10%)
$10.00
Total including GST
$110.00

Fin adds 10% on top of the price. Indicative only — general information, not tax advice.

Source:ATO· verified Aug 2026
Let Fin work out the GST on every receipt

Free to start. Connect a bank or drop in a statement.

Did you know?

Australia's GST has been frozen at 10% for over 25 years, partly because changing the rate legally requires the unanimous agreement of every state and territory plus both houses of federal Parliament.

Treasury states plainly that 'legislation requires that changes to the GST base or rate require unanimous agreement by all State and Territory governments, as well as both houses of the Australian Parliament' — a political straitjacket flowing from the 1999 Intergovernmental Agreement that has kept the rate untouched since 1 July 2000.

Source: Australian Treasury — Tax White Paper, At a glance ↗

Whether a frozen meal is taxed can hinge on a judge deciding what counts as a 'prepared meal' by common experience — and Simplot (maker of Birds Eye products) lost that argument in 2023.

In Simplot Australia v Commissioner of Taxation [2023] FCA 1115 the Federal Court ruled frozen vegetable-, rice- and pasta-based products were taxable 'prepared meals' or 'combination foods', applying 'common experience and common sense' about what an everyday meal is rather than the maker's own marketing.

Source: Grant Thornton — GST and food: Federal Court challenges the concept of a prepared meal ↗
More fascinating tax facts from around the world →

More fascinating tax facts from around the world →

All tools

Calculators

GST Calculator

Add or remove GST/VAT on any amount, with the formula shown every time.

BAS Calculator (AU)

Your quarterly GST position — 1A, 1B and the net amount payable, worked out for you.

Income Tax & Take-Home

Your income tax, Medicare levy and take-home pay on any salary.

UK Income Tax & Take-Home

Your UK income tax, National Insurance and take-home pay — England, Wales & NI rates.

India Income Tax & Take-Home

Your India income tax on the new regime — the ₹75k standard deduction, the ₹12L rebate and 4% cess, with take-home.

US Income Tax & Take-Home

Your US federal income tax, Social Security and Medicare — single filer, with take-home pay.

Finland Income Tax & Tax Card

Your Finnish take-home pay and tax-card percentage (veroprosentti) — any municipality, church tax, YLE tax and contributions.

Cash Flow Forecast

Your next 90 days of cash for any way you earn, with the lowest point, the runway and a what-if test.

Loan Repayment Calculator

Home, car, business or personal loans: repayments, interest, offset, balloon, interest-only, extra repayments, a chart and the schedule as CSV.

Tax Return Calculator (AU)

Your estimated refund or amount to pay from income, tax withheld and deductions, with the working shown.

HECS/HELP Repayment

Your compulsory study-loan repayment on the marginal system, and what a pay rise really adds.

Superannuation (AU)

Your Super Guarantee, how much concessional cap is left, and whether Division 293 catches you.

Capital Gains Tax

Sold an asset? Fin covers CGT in 71 countries — a figure where the rules are verified, the rule itself otherwise.

Crypto Tax (AU)

Sold or swapped crypto? Fin works out the CGT — same 50% discount, at your marginal rate.

Business Space at Home (AU)

A desk or a place of business? The deductions each year against the CGT on that share when you sell.

Tax Deduction Finder (AU)

Pick your work and how you earn, and get a checklist of what to claim and where each claim goes.

Depreciation Calculator

Prime cost or diminishing value the ATO way — days held, private use and a year-by-year schedule, or straight line for your books.

Receipts & Payments Account

Paste a bank statement CSV and get receipts and payments by category, with the closing balance — for club and charity treasurers.

Company Tax Calculator

See the tax on your company’s profit in 139 countries — every rate sourced.

Reference

Developers

Tool questions, answered

Are the 2Fin tax calculators free to use?

Yes — every calculator on this page is free, with no sign-up, no card and no usage limits. They exist so the maths is quick; the paid product is the automation that does this on every transaction for you.

Which countries do the GST and VAT tools cover?

The tools cover 193 countries, including Australia (GST 10%), the UK (VAT 20%), India, Canada, New Zealand and the EU member states — each with its standard and reduced rates, local tax name and filing structure.

Are the tax rates in these tools up to date?

Rates are sourced from each country’s published government tables and reviewed against the current financial year. Every calculator states the rate it used in the result, so you can verify the figure independently.

Is this tax advice?

No — the tools compute indicative figures from published rates and are general information only. For decisions about your own situation, check with the tax authority or a registered adviser.

Can I embed these calculators on my own site?

Yes, for most of them — each calculator listed under “Put a calculator on your own site” on this page has a free embed version you can drop into your site with a single iframe snippet. Open the tool and use its “Embed” option to copy the code.

Let Fin do it automatically

Connect your bank and Fin tracks the tax on every transaction — ready for your next return. Free to start, no card needed.

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