Built for everyday
Australians
Free, accurate financial calculators that help you understand your money — no sign-up, no fees, no jargon.
Why we built AussieCalc
Australian financial decisions are complicated. Stamp duty varies by state. Income tax has offsets, levies, and HECS repayments stacked on top. Superannuation rules change every year. And most calculators available online are either outdated, hidden behind paywalls, or so cluttered with upsells that you can't trust the numbers.
We built AussieCalc to fix that. Every tool on this site is free to use, requires no registration, and is updated whenever ATO rates, state duty schedules, or super contribution limits change. The calculations are transparent — we explain every figure so you understand where it comes from, not just what it is.
Whether you're working out how much stamp duty you'll owe on a property purchase, estimating your take-home pay after the latest Budget, or figuring out how your HECS debt will affect your super balance over time, AussieCalc gives you the numbers fast and explains what they mean.
What we stand for
Our rate-update workflow
Australian financial rates change throughout the year — sometimes on a budget day, sometimes via quiet ATO determinations, sometimes through state revenue office adjustments that get little press. We track them across a handful of primary sources and ship updates to the calculators as soon as they take effect.
Our standing watch list covers: the Australian Taxation Office (tax brackets, LITO, Medicare Levy, Medicare Levy Surcharge thresholds, HECS-HELP repayment schedule, concessional and non-concessional super caps, CGT discount rules, Division 293 thresholds); APRA (Super Guarantee rate schedule, banking serviceability buffer, quarterly general-insurance statistics); the RBA (cash rate moves, monthly lending statistics); eight state and territory revenue offices (transfer-duty schedules, FHB concession thresholds, foreign-buyer surcharges, vacant-residential-land-tax rules, off-the-plan concessions); Helia and QBE (LMI premium tables); and Housing Australia (First Home Guarantee price caps and place numbers).
For each change we (a) read the primary source — the legislation, ATO ruling, or revenue-office gazettal — not the news coverage, (b) cross-check against an independent secondary source (typically ASIC MoneySmart, ASFA, or the Actuaries Institute), (c) update the calculator's rate tables, (d) revise the worked example, methodology block and FAQ entries on the affected page, and (e) log the change to the public changelog. The whole pipeline typically takes 24–72 hours from announcement to live update for major changes, faster for small-bracket adjustments.
How we write and verify
Every calculator page is written by the AussieCalc editorial team and reviewed before publication against the primary source materials listed above. Each calculator carries a visible byline, a reviewed date, the financial year the figures apply to, and a source list — so you can see at a glance how recently the page was verified and against what authoritative inputs.
We don't cite news articles, social-media commentary or aggregated rate-comparison sites for primary facts. We do link to MoneySmart, the Australian Securities and Investments Commission's consumer site, where it provides clearer plain-English context than the underlying legislation. Where a rate, threshold or concession is uncertain (for example, mid-budget cycle when announcements aren't yet legislated), we note the uncertainty in the methodology block rather than treat it as fact.
When a reader contacts us with a correction — and they do, regularly, especially for state-specific stamp-duty edge cases — we treat it as a bug report. The correction is checked, the fix is shipped, and the change is logged in the changelog with the reader credited (anonymously by default).
The business model, in plain English
AussieCalc is supported by Google AdSense ads displayed on the calculator pages. There are no affiliate links from the calculators to lenders, insurers or financial advisers; nothing on the site is paid placement; we don't run a "compare and apply" flow that earns lead-referral commissions. The financial figures the calculators produce are the same for every visitor — no version of any output is biased toward a particular provider.
We disclose advertising clearly in our Privacy Policy and operate under Google AdSense's publisher policies. If you ever see an ad that you think is inappropriate, misleading, or doesn't fit the context of a financial calculator, please let us know so we can block the ad category — we have full control over what types of ads can appear on the site.
What AussieCalc covers
Our current calculator suite covers the most common financial questions Australians face:
We also publish plain-English guides that explain Australian tax, property, and super concepts in straightforward language — without the legal jargon.
Not financial advice
AussieCalc calculators are estimation tools. They're designed to give you a solid, accurate starting point for your financial planning — but they don't account for every individual circumstance, and they don't constitute financial, tax, or legal advice.
For decisions involving significant sums — property purchases, investment strategies, tax returns, insurance coverage — we strongly recommend consulting a registered tax agent, licensed financial adviser, or solicitor. A good calculator gets you prepared for that conversation; a good professional gets you the right outcome.
See our full disclaimer for more information.
About AussieCalc — FAQ
Who writes the calculators? The AussieCalc editorial team — a small group of Australia-based contributors with backgrounds in finance, accounting and software engineering. We don't publish individual bylines per page yet, but every page is reviewed against primary sources before publication and re-reviewed when rates change.
How is AussieCalc different from MoneySmart? ASIC's MoneySmart is the official Australian government consumer-finance site and is the authoritative reference for general guidance. It's excellent. AussieCalc focuses on fast, deeply-instrumented calculators with state-specific worked examples and editorial context that complements rather than competes with MoneySmart. We link to MoneySmart explicitly throughout the site.
Does AussieCalc store my inputs? No. Every calculator runs entirely in your browser — the inputs you type never leave your device. Our hosting provider (Cloudflare Pages) processes the request that delivers the page but does not see what you subsequently type. Google Analytics records anonymised pageviews; AdSense serves ads based on Google's general targeting signals.
Can I rely on the outputs for tax returns or loan applications? Treat them as a calibrated estimate, not a final figure. For tax returns lodge through myTax or a registered tax agent; for loan applications, your lender will run their own serviceability assessment with HEM and APRA-buffer rules that this site approximates but does not perfectly mirror. The calculators are tuned to be close — within a few percent for typical scenarios — but a real lender or tax agent has access to inputs (deductions, fringe benefits, specific bank policies) that we don't model.
Why is everything inline HTML / JS / CSS? Because it loads fast, has no build pipeline to break, and keeps the site simple enough that one person can audit any page end-to-end in an evening. AussieCalc has no framework, no bundler and no third-party tracking beyond Google Analytics and AdSense.
Questions or feedback?
Found an error in a calculation? Have a suggestion for a new tool or an improvement to an existing one? Spotted a rate change before we did? We'd genuinely love to hear from you — accuracy matters to us and the community helps us stay sharp.