All Measures
Conversion table of non-metric measures into SI and CGS.
www.allmeasures.com Details

Metric 4 US
Promotes the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator.
www.metric4us.com Details

Metric Conversion Tables to Imperial Measurements
List of standard to metric conversion factor tables with definitions, derived units and prefixes.
www.simetric.co.uk Details

Dictionary Of Units Of Measurement
Explanations of the metric system, System Internationale (SI), English customary system, and other modern measuring systems. Plus extensive links to other measurement-related Internet resources.
www.unc.edu Details

English Weights and Measures
History and usage of English/Imperial/customary weights and measures, with conversion factors, and pictures.
home.clara.net Details

International System of Units
Definitions of SI units and SI prefixes, units outside the SI, rules and style conventions, historical context for SI units, international aspects of the SI, and unit conversions.
physics.nist.gov Details

Information on SI Units
Reference information on the International System of Units (SI). Gives the list of unit conversions.
www.chemie.fu-berlin.de Details

UK Metric Association
Pressure group campaigning for the completion of metrication in the UK. History, legislation, and practical help.
www.ukma.org.uk Details

Metric Methods
Provides translation of unit and prefix names for the international metric system (SI) into various languages. For some, transliterations are also given.
www.metricmethods.com Details