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Metric Prefix Flashcards: All 24 SI Names, Symbols & Powers of Ten

Learn all 24 current SI prefixes with 72 flashcards for name, case-sensitive symbol, and power-of-ten recall.

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These metric prefix flashcards cover all 24 SI prefixes currently recognized by NIST, from quetta at 10^30 to quecto at 10^-30. The 72 cards practice exactly three mappings for every prefix: name to case-sensitive symbol and power of ten; symbol to name and power of ten; and power of ten to name and case-sensitive symbol.

Case matters. M is mega while m is milli, and P/p, Z/z, Y/y, R/r, and Q/q also represent different prefixes. Each front labels the cue and requested mapping, so a bare symbol or exponent stays unambiguous on mixed-review and standalone surfaces. Each back starts with the answer.

The deterministic sequence begins with familiar metric prefixes, expands toward the extremes, and interleaves all three recall directions. Variants of the same prefix stay far apart, with at least three unrelated cards between them. Confusing uppercase and lowercase symbols are separated too.

This is a focused metric prefix quiz, not a full SI course. It excludes conversions, full decimal expansions, SI base and derived units, unit examples, pronunciation and spelling drills, IEC or binary prefixes, historical prefixes, and 10^0, which has no prefix. There are no card images.

The NIST Metric (SI) Prefixes page supplies the factual ledger. The prompts, answers, selection structure, metadata, sequence, and generated cover were independently authored; no NIST prose, examples, layout, or media were copied. Facts aren't claimed as proprietary. The original wording, organization, metadata, and cover are dedicated under CC0 1.0 to the extent applicable rights exist.

Independent study deck. Not affiliated with or endorsed by NIST.

Spjöld í þessum stokki

  1. Spjald 1

    Spurning

    SI prefix name: kilo → case-sensitive symbol + power of ten

    Svar

    k

    10310^{3}

  2. Spjald 2

    Spurning

    SI prefix symbol (case-sensitive): M → name + power of ten

    Svar

    mega

    10610^{6}

  3. Spjald 3

    Spurning

    SI prefix power:

    10−210^{-2}

    → name + case-sensitive symbol

    Svar

    centi

    c

  4. Spjald 4

    Spurning

    SI prefix name: nano → case-sensitive symbol + power of ten

    Svar

    n

    10−910^{-9}

  5. Spjald 5

    Spurning

    SI prefix symbol (case-sensitive): h → name + power of ten

    Svar

    hecto

    10210^{2}

  6. Spjald 6

    Spurning

    SI prefix power:

    10−610^{-6}

    → name + case-sensitive symbol

    Svar

    micro

    μ

  7. Spjald 7

    Spurning

    SI prefix name: peta → case-sensitive symbol + power of ten

    Svar

    P

    101510^{15}

  8. Spjald 8

    Spurning

    SI prefix symbol (case-sensitive): d → name + power of ten

    Svar

    deci

    10−110^{-1}

  9. Spjald 9

    Spurning

    SI prefix power:

    10−310^{-3}

    → name + case-sensitive symbol

    Svar

    milli

    m

  10. Spjald 10

    Spurning

    SI prefix name: tera → case-sensitive symbol + power of ten

    Svar

    T

    101210^{12}

  11. Spjald 11

    Spurning

    SI prefix symbol (case-sensitive): p → name + power of ten

    Svar

    pico

    10−1210^{-12}

  12. Spjald 12

    Spurning

    SI prefix power:

    10110^{1}

    → name + case-sensitive symbol

    Svar

    deka

    da

  13. Spjald 13

    Spurning

    SI prefix name: giga → case-sensitive symbol + power of ten

    Svar

    G

    10910^{9}

  14. Spjald 14

    Spurning

    SI prefix symbol (case-sensitive): f → name + power of ten

    Svar

    femto

    10−1510^{-15}

  15. Spjald 15

    Spurning

    SI prefix power:

    101810^{18}

    → name + case-sensitive symbol

    Svar

    exa

    E

  16. Spjald 16

    Spurning

    SI prefix name: atto → case-sensitive symbol + power of ten

    Svar

    a

    10−1810^{-18}

  17. Spjald 17

    Spurning

    SI prefix symbol (case-sensitive): Z → name + power of ten

    Svar

    zetta

    102110^{21}

  18. Spjald 18

    Spurning

    SI prefix power:

    10−2410^{-24}

    → name + case-sensitive symbol

    Svar

    yocto

    y

  19. Spjald 19

    Spurning

    SI prefix name: ronna → case-sensitive symbol + power of ten

    Svar

    R

    102710^{27}

  20. Spjald 20

    Spurning

    SI prefix symbol (case-sensitive): q → name + power of ten

    Svar

    quecto

    10−3010^{-30}

  21. Spjald 21

    Spurning

    SI prefix power:

    10−2110^{-21}

    → name + case-sensitive symbol

    Svar

    zepto

    z

  22. Spjald 22

    Spurning

    SI prefix name: yotta → case-sensitive symbol + power of ten

    Svar

    Y

    102410^{24}

  23. Spjald 23

    Spurning

    SI prefix symbol (case-sensitive): r → name + power of ten

    Svar

    ronto

    10−2710^{-27}

  24. Spjald 24

    Spurning

    SI prefix power:

    103010^{30}

    → name + case-sensitive symbol

    Svar

    quetta

    Q

  25. Spjald 25

    Spurning

    SI prefix name: milli → case-sensitive symbol + power of ten

    Svar

    m

    10−310^{-3}

  26. Spjald 26

    Spurning

    SI prefix symbol (case-sensitive): k → name + power of ten

    Svar

    kilo

    10310^{3}

  27. Spjald 27

    Spurning

    SI prefix power:

    10210^{2}

    → name + case-sensitive symbol

    Svar

    hecto

    h

  28. Spjald 28

    Spurning

    SI prefix name: micro → case-sensitive symbol + power of ten

    Svar

    μ

    10−610^{-6}

  29. Spjald 29

    Spurning

    SI prefix symbol (case-sensitive): G → name + power of ten

    Svar

    giga

    10910^{9}

  30. Spjald 30

    Spurning

    SI prefix power:

    10−110^{-1}

    → name + case-sensitive symbol

    Svar

    deci

    d

  31. Spjald 31

    Spurning

    SI prefix name: centi → case-sensitive symbol + power of ten

    Svar

    c

    10−210^{-2}

  32. Spjald 32

    Spurning

    SI prefix symbol (case-sensitive): T → name + power of ten

    Svar

    tera

    101210^{12}

  33. Spjald 33

    Spurning

    SI prefix power:

    10610^{6}

    → name + case-sensitive symbol

    Svar

    mega

    M

  34. Spjald 34

    Spurning

    SI prefix name: deka → case-sensitive symbol + power of ten

    Svar

    da

    10110^{1}

  35. Spjald 35

    Spurning

    SI prefix symbol (case-sensitive): n → name + power of ten

    Svar

    nano

    10−910^{-9}

  36. Spjald 36

    Spurning

    SI prefix power:

    10−1210^{-12}

    → name + case-sensitive symbol

    Svar

    pico

    p

  37. Spjald 37

    Spurning

    SI prefix name: exa → case-sensitive symbol + power of ten

    Svar

    E

    101810^{18}

  38. Spjald 38

    Spurning

    SI prefix symbol (case-sensitive): a → name + power of ten

    Svar

    atto

    10−1810^{-18}

  39. Spjald 39

    Spurning

    SI prefix power:

    10−2710^{-27}

    → name + case-sensitive symbol

    Svar

    ronto

    r

  40. Spjald 40

    Spurning

    SI prefix name: yocto → case-sensitive symbol + power of ten

    Svar

    y

    10−2410^{-24}

  41. Spjald 41

    Spurning

    SI prefix symbol (case-sensitive): P → name + power of ten

    Svar

    peta

    101510^{15}

  42. Spjald 42

    Spurning

    SI prefix power:

    102110^{21}

    → name + case-sensitive symbol

    Svar

    zetta

    Z

  43. Spjald 43

    Spurning

    SI prefix name: quetta → case-sensitive symbol + power of ten

    Svar

    Q

    103010^{30}

  44. Spjald 44

    Spurning

    SI prefix symbol (case-sensitive): R → name + power of ten

    Svar

    ronna

    102710^{27}

  45. Spjald 45

    Spurning

    SI prefix power:

    10−1510^{-15}

    → name + case-sensitive symbol

    Svar

    femto

    f

  46. Spjald 46

    Spurning

    SI prefix name: zepto → case-sensitive symbol + power of ten

    Svar

    z

    10−2110^{-21}

  47. Spjald 47

    Spurning

    SI prefix symbol (case-sensitive): Y → name + power of ten

    Svar

    yotta

    102410^{24}

  48. Spjald 48

    Spurning

    SI prefix power:

    10−3010^{-30}

    → name + case-sensitive symbol

    Svar

    quecto

    q

  49. Spjald 49

    Spurning

    SI prefix name: mega → case-sensitive symbol + power of ten

    Svar

    M

    10610^{6}

  50. Spjald 50

    Spurning

    SI prefix symbol (case-sensitive): c → name + power of ten

    Svar

    centi

    10−210^{-2}

  51. Spjald 51

    Spurning

    SI prefix power:

    10310^{3}

    → name + case-sensitive symbol

    Svar

    kilo

    k

  52. Spjald 52

    Spurning

    SI prefix name: hecto → case-sensitive symbol + power of ten

    Svar

    h

    10210^{2}

  53. Spjald 53

    Spurning

    SI prefix symbol (case-sensitive): μ → name + power of ten

    Svar

    micro

    10−610^{-6}

  54. Spjald 54

    Spurning

    SI prefix power:

    10−910^{-9}

    → name + case-sensitive symbol

    Svar

    nano

    n

  55. Spjald 55

    Spurning

    SI prefix name: deci → case-sensitive symbol + power of ten

    Svar

    d

    10−110^{-1}

  56. Spjald 56

    Spurning

    SI prefix symbol (case-sensitive): m → name + power of ten

    Svar

    milli

    10−310^{-3}

  57. Spjald 57

    Spurning

    SI prefix power:

    10910^{9}

    → name + case-sensitive symbol

    Svar

    giga

    G

  58. Spjald 58

    Spurning

    SI prefix name: pico → case-sensitive symbol + power of ten

    Svar

    p

    10−1210^{-12}

  59. Spjald 59

    Spurning

    SI prefix symbol (case-sensitive): da → name + power of ten

    Svar

    deka

    10110^{1}

  60. Spjald 60

    Spurning

    SI prefix power:

    101210^{12}

    → name + case-sensitive symbol

    Svar

    tera

    T

  61. Spjald 61

    Spurning

    SI prefix name: quecto → case-sensitive symbol + power of ten

    Svar

    q

    10−3010^{-30}

  62. Spjald 62

    Spurning

    SI prefix symbol (case-sensitive): E → name + power of ten

    Svar

    exa

    101810^{18}

  63. Spjald 63

    Spurning

    SI prefix power:

    10−1810^{-18}

    → name + case-sensitive symbol

    Svar

    atto

    a

  64. Spjald 64

    Spurning

    SI prefix name: zetta → case-sensitive symbol + power of ten

    Svar

    Z

    102110^{21}

  65. Spjald 65

    Spurning

    SI prefix symbol (case-sensitive): y → name + power of ten

    Svar

    yocto

    10−2410^{-24}

  66. Spjald 66

    Spurning

    SI prefix power:

    101510^{15}

    → name + case-sensitive symbol

    Svar

    peta

    P

  67. Spjald 67

    Spurning

    SI prefix name: ronto → case-sensitive symbol + power of ten

    Svar

    r

    10−2710^{-27}

  68. Spjald 68

    Spurning

    SI prefix symbol (case-sensitive): Q → name + power of ten

    Svar

    quetta

    103010^{30}

  69. Spjald 69

    Spurning

    SI prefix power:

    102410^{24}

    → name + case-sensitive symbol

    Svar

    yotta

    Y

  70. Spjald 70

    Spurning

    SI prefix name: femto → case-sensitive symbol + power of ten

    Svar

    f

    10−1510^{-15}

  71. Spjald 71

    Spurning

    SI prefix symbol (case-sensitive): z → name + power of ten

    Svar

    zepto

    10−2110^{-21}

  72. Spjald 72

    Spurning

    SI prefix power:

    102710^{27}

    → name + case-sensitive symbol

    Svar

    ronna

    R

Concentric luminous rings and nested translucent forms expanding from a warm center on a deep blue background.

72 spjöld

Metric Prefix Flashcards: All 24 SI Names, Symbols & Powers of Ten

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