Date and Time
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Everyday Utility
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Everyday Calculator FAQs
How do I calculate a tip quickly?
Multiply the bill by the tip rate as a decimal: a 20% tip on $50 is 50 Γ 0.20 = $10, for a $60 total. Our tip calculator also splits the total across any number of people.
How does the age calculator work?
It counts the exact years, months and days between your date of birth and any target date, accounting for leap years β useful for forms, eligibility and milestones.
Can I convert between metric and imperial units here?
Yes. The unit and conversion calculators handle length, weight, volume, temperature and more, in both metric and imperial, with instant results.
Are these everyday calculators free and private?
Yes β all are free, need no sign-up, and run entirely in your browser, so nothing you enter is sent anywhere or stored.