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NIST Metric Pyramid



J B. McCracken


Paper cut-out pyramid, 10 cm x 10 cm x 10 cm, listing metric conversion information on each face covering units of length, mass or weight, area or surface, energy, volume and temperature. The bottom face lists metric symbols.
Letter Circular - 1140
Report Number


conversion factors, metric conversion, metric education, metric system


McCracken, J. (2002), NIST Metric Pyramid, Letter Circular, National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed October 4, 2023)
Created April 1, 2002, Updated January 27, 2020