Offers tools to convert between units in distance, weight/mass, temperature, cookery, and many other categories.
Calculates the distance between two locations and provides geographical coordinates.
Enter an amount of money and two years between 1800 and 2008, and this calculator shows the inflation-adjusted amount for both years. Based on Consumer Price Index figures.
Powerful online calculator that does basic and complex math and many conversions.
Focuses on metric conversions (e.g. pounds to kilograms, miles to kilometers) but also offers a host of other conversion functions.
Converts metric, codes, and scientific units.