Navigation
The same dataset can be navigated through different entry points β each reveals a different facet of the ISO 80000 & IEC 80000 series.
π
By Part
Browse the traditional ISO 80000 & IEC 80000 structure β Part 3 (Space & Time), Part 4 (Mechanics), through Part 13.
ISO 80000-3 β 42 entries on space and time
π
By Kind
Browse quantities grouped by their physical dimension. All quantities sharing the same dimension vector form a kind of quantity.
Kind L β length, width, height, wavelength, altitude
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By Dimension
Browse by dimensional composition β the fundamental building blocks L, M, T, I, Ξ, N, J. Cross-referenced with UnitsDB.
L Tβ»ΒΉ β all velocity-type quantities
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By Unit
Browse the complete catalog of measurement units β SI base units, derived units, accepted non-SI units.
metre (m) β used by 28+ quantities
π
By Concept
Browse the ontology β SKOS concept scheme with broader/narrower relationships and RDF/JSON-LD exports.
speed β broader β phase speed, group speed