SI Units and Prefixes flashcards

How this deck was checked

On 2026-10-18, every card was compared with a primary source and with a second source from a different publisher. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.

Sources

• Primary source NIST SP 330, The International System of Units (SI), Section 2 (HTML): Table 2 SI base units and Table 4 The 22 SI units with special names and symbols (National Institute of Standards and Technology (NIST), nist.gov)
• Primary source Metric (SI) Prefixes (National Institute of Standards and Technology (NIST), nist.gov)
• Second source SI base units (web page) (BIPM (Bureau International des Poids et Mesures), bipm.org)
• Second source SI prefixes (web page) (BIPM (Bureau International des Poids et Mesures), bipm.org)
• Second source The International System of Units (SI Brochure), 9th edition, V4.01 June 2026, Tables 2, 4, 7 and Appendix 1 list (BIPM (Bureau International des Poids et Mesures), bipm.org)
• Second source Resolution 3 of the 27th CGPM (2022): On the extension of the range of SI prefixes (BIPM / CGPM, bipm.org)

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