Conversion table of non-metric measures into SI and CGS.

Pressure group opposing compulsory metrication. Political, consumer and transport information, discussion boards and links.

More than 40 different unit conversion tables.

Features converter tools for measurement, currency exchange, world time zones, time, finance, driving distance, Roman numerals, atmosphere, and body mass index. Also, has a basic calculator and periodic table.

Metric, English old Russian, ancient Greek and Roman, nautical, typographical and astronomical conversions.

Convert units from one measure to another (e.g. meters to yards, liters to gallons). A very extensive collection of units and categories. Includes usage and definitions descriptions of units and categories.

Convert currencies and measurements.

Provides calculations of various types including metric conversion, engineering calculations, and computing finance loan payments. Also, has list of general math formulas.

Resource for units, weights, measures, calculators and converters.

A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.

Conversion factors and online calculators for metric and imperial units.

Standard-to-metric conversion factor tables with definitions, derived units and prefixes.

Offers conversion tools for length, volume, temperature, astronomical, clothing sizes, computer bytes, cooking measurements, time zones, density, energy, finance, flow rates, force frequency, and some fun pages.

Pressure group campaigning for the completion of metrication in the UK. History, legislation, and practical help.