| 1. | Conversion Tables | | | More than 40 different unit conversion tables. conversion.maribi.com |
| 2. | All Measures | | | Conversion table of non-metric measures into SI and CGS. www.allmeasures.com |
| 3. | How Many? | | | A 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 |
| 4. | Metric 4 US | | | A site promoting the metric system which argues why metric is better and English is worse. Provides an English-metric online calculator. www.metric4us.com |
| 6. | English Weights and Measures | | | History and usage of English/Imperial/customary weights and measures, with conversion factors, and pictures. Minims, drachms, pecks, bushels, rods, poles, perches, furlongs, ounces, fathoms, pints, gallons, nails, chains, chaldrons, tods, crowns, florins, groats, farthings and guineas. home.clara.net |
| 7. | A Dictionary of Units | | | A summary of most of the units of measurement to be found in use around the world today (and a few of historical interest), together with the appropriate conversion factors needed to change them into a 'standard' unit of the S I. www.ex.ac.uk |
| 8. | SI Units | | | Reference information on the International System of Units (SI). www.chemie.fu-berlin.de |
| 9. | Unit Conversions | | | Online conversions from physics units to other physics units. Includes a comprehensive set of units with definitions. www.chemie.de |
| 10. | 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 |
| 11. | SI Guide | | | 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 |
| 14. | Units of Measurement | | | Conversions and equivalences of the principal units of measure of the SI and Anglo-Saxon systems. www.themeter.net |
| 16. | UK Metric Association | | | Pressure group campaigning for the completion of metrication in the UK. History, legislation, and practical help. www.ukma.org.uk |
| | |