About
Most calculator sites make you wait for adverts, hunt for the input fields and scroll past a thousand words before you get a number. This one does the opposite: the calculator is the first thing on the page, and the answer appears while you are still typing.
There are 40 tools covering the questions that come up in ordinary life — a percentage here, a date there, a tip at dinner, what a loan really costs, how long a goal takes to reach.
Everything runs in your browser. Nothing you type is uploaded, stored or shared, and there is no account to create. The explanations and formulas are published alongside each tool so you can check the maths yourself.
The results are general guidance, not financial advice. Rates, taxes and rules vary by country, so treat the numbers as a starting point for a conversation with a professional when the stakes are high.