Just type what you need. The answer appears instantly, no clicks.
Convert units (length, weight, temperature, volume and more), convert live currencies, calculate discounts, percentages, tips, tax and loan payments, and find the best meeting time across time zones.
Type what you want in the search box, such as '5 km to miles' or '20% off 80', and the answer appears instantly. Or open a tool and type a number.
Yes. It is free and open source, with no sign-up. Calculations happen in your browser.