Calculators for
everyday life.
Savings, loans, budgets, dates and units. Search for a tool or choose a topic to get started.
What do you want to work out?
Browse savings, borrowing, budgets, percentages, dates and units.
Savings & goals
5 tools · Compound interest, savings targets, travel, cars and home deposits.
Homes & borrowing
6 tools · Understand repayments and compare your options.
Personal budgeting
3 tools · Organise your month and build an emergency fund.
Percentages & discounts
2 tools · Work out proportions, changes and final prices.
Dates & time
5 tools · Count days, calculate ages and plan deadlines.
Unit converters
5 tools · Length, mass, temperature, speed and digital storage.
Countdowns
Sport, astronomy and your own milestones.
Explore countdowns ↗PRACTICAL GUIDESGuides with examples
Learn about saving, budgeting and comparing borrowing costs.
Learn with examples ↗Try a reasoning challenge
Visual patterns, number sequences and deduction. Choose 12 or 24 questions and explore an explained reasoning profile. A recreational exercise, not a validated IQ score.
Frequently asked questions
Are the calculators free?
Yes. No account is needed and there is no usage limit.
Does English change the financial rules?
No. This is a language version, not a country-specific product. Currency remains EUR, the formulas are the same and event time zones are preserved.
Where are my inputs processed?
Calculations run in your browser. Saved values stay in this browser profile. Shared links may contain inputs, so check them before sharing.