Every calculator, in one place
5220 calculators for Australia, the United Kingdom and the United States. Pick your market and every rate, rule and form is local — maths, science and conversions work anywhere.
Local rates and rules: Australia · United Kingdom · United States
Australia
1778All 1778 calculators →United Kingdom
1721All 1721 calculators →United States
1721All 1721 calculators →Calculator arithmetic runs in your browser and no account is required. Google Analytics stays off unless allowed. Google advertising and Microsoft Clarity remain disabled; house recommendations do not use calculator inputs.
Live in Australia, United Kingdom, and United States — expanding market by market. Finance first, then every domain where precise calculation matters.
Results come with breakdowns, charts, and sensitivity tables so you understand not just the answer — but how it's reached.
About GlobalCalc
GlobalCalc is building the world's calculation infrastructure — free, accurate tools for every financial decision. 5200+ free calculators across 9 categories and 3 markets — Australia, United Kingdom, and United States — covering property, tax, income, super, savings, debt, business, living costs, and health, with more on the way.
All calculations run in your browser. The calculator code does not submit your figures to GlobalCalc to obtain a result. No account required. Results include full workings, breakdowns, and charts — so you understand not just the answer, but how it's reached.
Free calculators written for your market — Australian, British or American rates, thresholds and rules, not a generic formula with a currency symbol swapped. Results update as you type; nothing to sign up for.