Links

The UK Metric Association
http://www.ukma.org.uk

Gov.uk website – about weights and measures and use of metric
https://www.gov.uk/weights-measures-and-packaging-the-law/units-of-measurement

UK Metrication – archived information
http://www.dti.gov.uk/ccp/topics1/metric.htm

Weights and Measures Law – weights and measures law
https://www.gov.uk/guidance/national-regulation-weights-and-measures

Metrication Matters – What is metrication and why does it matter?
http://www.metricationmatters.com

International Standard Paper Sizes
http://www.cl.cam.ac.uk/~mgk25/iso-paper.html
http://www.askprint.co.uk/howto/iso-paper-sizes.php

Metrication – lots of helpful info and converters (be warned that the site plays music when loaded, do not access if the music will cause a problem, e.g. at work)
http://www.metrication.com

Metric to Metric conversions (short quiz)
https://www.thoughtco.com/metric-to-metric-conversions-quiz-4052360

Interactive animation – showing how big very small things are
http://www.cellsalive.com/howbig.htm

Scale of the Universe – Interactive animation showing how metric can measure any scale in the universe
http://scaleofuniverse.com/

Powers of Ten – A film made in 1977, dealing with the relative size of things in the Universe, and the effect of adding another zero
https://www.youtube.com/watch?v=0fKBhvDjuy0

United States Metric Association
http://www.us-metric.org

US National Institute for Standards and Technology – about units and constants
https://physics.nist.gov/cuu/Units/index.html

Think Metric sign at US-Canada border
http://mentalfloss.com/article/50160/years-ken-butcher-was-sole-employee-us-metric-program

Metric Road Signs Seen in the USA
http://www.us-metric.org/metric-signs-on-roads-in-the-u-s/

International Bureau of Weights and Measures (BIPM)
http://www.bipm.org

One Metre – archived Canadian metric site
http://archive.li/NGjr4

Canadian Metric Association
https://www.ece.utoronto.ca/canadian-metric-association/

Metric prefixes
http://www.npl.co.uk/reference/measurement-units/si-prefixes/

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