PreciseMeasurement.com

Conversion Table of Non-Metric measures into SI and CGS
Conversion of non-metric measures into SI (meter-kilogram-second) and CGS (centimeter-gram-second).
n93.cs.fiu.edu/

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/

Metric Measures
Offers equivalents for common measurements, plus how metric units are used in sports and the kitchen.
www.nist.gov/

Metric Conversion Tutorial
Step-by-step, interactive tutorial for converting metric units.
chemistry.boisestate.edu/

Metric Conversion Tables
Conversion factors and online calculators for metric and imperial units.
www.metric-conversion-tables.com/

Metric Conversion Tables to Imperial Measurements
Standard-to-metric conversion factor tables with definitions, derived units and prefixes.
www.simetric.co.uk/

The Modern Metric System
Dictionary of metric units explaining the principles and history of the system.
homepage.ntlworld.com/

NIST Metric Information and Conversions
Factsheets, regulations and conversion tools. Official site of the United States Metric Program.
ts.nist.gov/

Metric Conversion
Java metric conversion calculator for length, weight, pressure, and volume.
www.worldwidemetric.com/

The Metric System
Outline of the metric system with emphasis on applications in physics.
www.essex1.com/