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    Metric prefix - Wikipedia

    Metric prefixes are widely used outside the metric SI system. Common examples include the megabyte and the decibel . Metric prefixes rarely appear with imperial or US units except in some special cases (e.g., microinch, kilofoot, kilopound ). See more

    A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decadic. Each prefix has a unique symbol that is prepended to any … See more

    The BIPM specifies twenty-four prefixes for the International System of Units (SI).
    The first uses of prefixes in SI date back to the definition of kilogram after the French Revolution at the end … See more

    The use of prefixes can be traced back to the introduction of the metric system in the 1790s, long before the 1960 introduction of the SI. The prefixes, including those introduced after 1960, are used with any metric unit, whether officially included in the SI or not (e.g., … See more

    In written English, the symbol K is often used informally to indicate a multiple of thousand in many contexts. For example, one may talk of a … See more

    Non-standard prefixes image

    Examples
    • The mass of an electron is about 1 rg (rontogram).
    • The mass of 1 litre of water is about 1 kg (kilogram).
    • The mass of the Earth is about 6 Rg (ronnagrams). See more

    Obsolete metric prefixes
    Some of the prefixes formerly used in the metric system have fallen into disuse and were not adopted … See more

    Binary prefix – Symbol placed before units of digital information to indicate multiplication by a power of two
    CJK Compatibility – Unicode block (U+3300-33FF) containing various characters composed into ideographic squares, and … See more

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  2. Table of Metric Prefixes

  3. Metric (SI) Prefixes | NIST - National Institute of …

    Jan 13, 2010 · NIST SI Measurement System Chart (2021) is a colorful chart explaining the 7 base units of the SI, prefix symbols, and features the Measurement League: Guardians of the SI. SI Prefix symbols are featured in …

  4. Powers of Ten – Metric Prefixes - Science Notes and …

    22 rows · Aug 11, 2014 · Powers of Ten Metric Prefixes. Prefixes for the …

  5. Kilo, mega, giga, tera, peta, exa, zetta and all that

    Nov 28, 2022 · Kilo, mega, giga, tera, peta, exa and zetta are among the binary prefixes used to denote the quantity of something, such as a byte or bit in computing and telecommunications. Sometimes called prefix multipliers, these …

  6. Metric Numbers - Math is Fun

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  8. Metric Prefixes and SI Units - SparkFun Learn