Chemistry: Math

This site contains links to many types of conversions and calculators.

This dictionary, from Cleave Books, provides an account of the principal units of measurement to be found in use around the world today, and the conversion factors often needed to change them into standard units of the SI system. It also has a printable two page pocket guide for the most common conversions.

Readily convert over 1,000 units in over 80 science and engineering properties.

Convert temperature, length, weight, area, and volume from or to metric units.

Convert just about any measurement to anything else. The most popular conversions are: length, temperature, speed, volume, weight, cooking, area, fuel economy and currency. Advanced students will also find more specialized conversions of units in mathematics, physics and engineering.

For all type of online calculator and metric conversions.

Input and output for over 1,000 units in science and engineering.

Conversion calulators for all kinds of units, commonly used ones in science and engineering, historical units, and practical units in everyday like shoe sizes, and cooking measurements.

You can type in a number with its units and Wolfram Alpha will return its equivalents in other units and also give you interesting additional information.

You can often enter the number you want to convert with its unit and the desired new unit and get the converted value. For example, 14.7 psi in torr.

You can often enter the number you want to convert with its unit and the desired new unit and get the converted value. For example, 14.7 psi in torr.

Besides the many scientific and technical conversion tables, you will also find tools to convert everyday uses like cooking and even clothing sizes.