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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.

Tämän pakan kortit

  1. Kortti 1

    Kysymys

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

    Vastaus

    k

    10310^{3}

  2. Kortti 2

    Kysymys

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

    Vastaus

    mega

    10610^{6}

  3. Kortti 3

    Kysymys

    SI prefix power:

    10−210^{-2}

    → name + case-sensitive symbol

    Vastaus

    centi

    c

  4. Kortti 4

    Kysymys

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

    Vastaus

    n

    10−910^{-9}

  5. Kortti 5

    Kysymys

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

    Vastaus

    hecto

    10210^{2}

  6. Kortti 6

    Kysymys

    SI prefix power:

    10−610^{-6}

    → name + case-sensitive symbol

    Vastaus

    micro

    μ

  7. Kortti 7

    Kysymys

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

    Vastaus

    P

    101510^{15}

  8. Kortti 8

    Kysymys

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

    Vastaus

    deci

    10−110^{-1}

  9. Kortti 9

    Kysymys

    SI prefix power:

    10−310^{-3}

    → name + case-sensitive symbol

    Vastaus

    milli

    m

  10. Kortti 10

    Kysymys

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

    Vastaus

    T

    101210^{12}

  11. Kortti 11

    Kysymys

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

    Vastaus

    pico

    10−1210^{-12}

  12. Kortti 12

    Kysymys

    SI prefix power:

    10110^{1}

    → name + case-sensitive symbol

    Vastaus

    deka

    da

  13. Kortti 13

    Kysymys

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

    Vastaus

    G

    10910^{9}

  14. Kortti 14

    Kysymys

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

    Vastaus

    femto

    10−1510^{-15}

  15. Kortti 15

    Kysymys

    SI prefix power:

    101810^{18}

    → name + case-sensitive symbol

    Vastaus

    exa

    E

  16. Kortti 16

    Kysymys

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

    Vastaus

    a

    10−1810^{-18}

  17. Kortti 17

    Kysymys

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

    Vastaus

    zetta

    102110^{21}

  18. Kortti 18

    Kysymys

    SI prefix power:

    10−2410^{-24}

    → name + case-sensitive symbol

    Vastaus

    yocto

    y

  19. Kortti 19

    Kysymys

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

    Vastaus

    R

    102710^{27}

  20. Kortti 20

    Kysymys

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

    Vastaus

    quecto

    10−3010^{-30}

  21. Kortti 21

    Kysymys

    SI prefix power:

    10−2110^{-21}

    → name + case-sensitive symbol

    Vastaus

    zepto

    z

  22. Kortti 22

    Kysymys

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

    Vastaus

    Y

    102410^{24}

  23. Kortti 23

    Kysymys

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

    Vastaus

    ronto

    10−2710^{-27}

  24. Kortti 24

    Kysymys

    SI prefix power:

    103010^{30}

    → name + case-sensitive symbol

    Vastaus

    quetta

    Q

  25. Kortti 25

    Kysymys

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

    Vastaus

    m

    10−310^{-3}

  26. Kortti 26

    Kysymys

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

    Vastaus

    kilo

    10310^{3}

  27. Kortti 27

    Kysymys

    SI prefix power:

    10210^{2}

    → name + case-sensitive symbol

    Vastaus

    hecto

    h

  28. Kortti 28

    Kysymys

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

    Vastaus

    μ

    10−610^{-6}

  29. Kortti 29

    Kysymys

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

    Vastaus

    giga

    10910^{9}

  30. Kortti 30

    Kysymys

    SI prefix power:

    10−110^{-1}

    → name + case-sensitive symbol

    Vastaus

    deci

    d

  31. Kortti 31

    Kysymys

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

    Vastaus

    c

    10−210^{-2}

  32. Kortti 32

    Kysymys

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

    Vastaus

    tera

    101210^{12}

  33. Kortti 33

    Kysymys

    SI prefix power:

    10610^{6}

    → name + case-sensitive symbol

    Vastaus

    mega

    M

  34. Kortti 34

    Kysymys

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

    Vastaus

    da

    10110^{1}

  35. Kortti 35

    Kysymys

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

    Vastaus

    nano

    10−910^{-9}

  36. Kortti 36

    Kysymys

    SI prefix power:

    10−1210^{-12}

    → name + case-sensitive symbol

    Vastaus

    pico

    p

  37. Kortti 37

    Kysymys

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

    Vastaus

    E

    101810^{18}

  38. Kortti 38

    Kysymys

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

    Vastaus

    atto

    10−1810^{-18}

  39. Kortti 39

    Kysymys

    SI prefix power:

    10−2710^{-27}

    → name + case-sensitive symbol

    Vastaus

    ronto

    r

  40. Kortti 40

    Kysymys

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

    Vastaus

    y

    10−2410^{-24}

  41. Kortti 41

    Kysymys

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

    Vastaus

    peta

    101510^{15}

  42. Kortti 42

    Kysymys

    SI prefix power:

    102110^{21}

    → name + case-sensitive symbol

    Vastaus

    zetta

    Z

  43. Kortti 43

    Kysymys

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

    Vastaus

    Q

    103010^{30}

  44. Kortti 44

    Kysymys

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

    Vastaus

    ronna

    102710^{27}

  45. Kortti 45

    Kysymys

    SI prefix power:

    10−1510^{-15}

    → name + case-sensitive symbol

    Vastaus

    femto

    f

  46. Kortti 46

    Kysymys

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

    Vastaus

    z

    10−2110^{-21}

  47. Kortti 47

    Kysymys

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

    Vastaus

    yotta

    102410^{24}

  48. Kortti 48

    Kysymys

    SI prefix power:

    10−3010^{-30}

    → name + case-sensitive symbol

    Vastaus

    quecto

    q

  49. Kortti 49

    Kysymys

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

    Vastaus

    M

    10610^{6}

  50. Kortti 50

    Kysymys

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

    Vastaus

    centi

    10−210^{-2}

  51. Kortti 51

    Kysymys

    SI prefix power:

    10310^{3}

    → name + case-sensitive symbol

    Vastaus

    kilo

    k

  52. Kortti 52

    Kysymys

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

    Vastaus

    h

    10210^{2}

  53. Kortti 53

    Kysymys

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

    Vastaus

    micro

    10−610^{-6}

  54. Kortti 54

    Kysymys

    SI prefix power:

    10−910^{-9}

    → name + case-sensitive symbol

    Vastaus

    nano

    n

  55. Kortti 55

    Kysymys

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

    Vastaus

    d

    10−110^{-1}

  56. Kortti 56

    Kysymys

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

    Vastaus

    milli

    10−310^{-3}

  57. Kortti 57

    Kysymys

    SI prefix power:

    10910^{9}

    → name + case-sensitive symbol

    Vastaus

    giga

    G

  58. Kortti 58

    Kysymys

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

    Vastaus

    p

    10−1210^{-12}

  59. Kortti 59

    Kysymys

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

    Vastaus

    deka

    10110^{1}

  60. Kortti 60

    Kysymys

    SI prefix power:

    101210^{12}

    → name + case-sensitive symbol

    Vastaus

    tera

    T

  61. Kortti 61

    Kysymys

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

    Vastaus

    q

    10−3010^{-30}

  62. Kortti 62

    Kysymys

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

    Vastaus

    exa

    101810^{18}

  63. Kortti 63

    Kysymys

    SI prefix power:

    10−1810^{-18}

    → name + case-sensitive symbol

    Vastaus

    atto

    a

  64. Kortti 64

    Kysymys

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

    Vastaus

    Z

    102110^{21}

  65. Kortti 65

    Kysymys

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

    Vastaus

    yocto

    10−2410^{-24}

  66. Kortti 66

    Kysymys

    SI prefix power:

    101510^{15}

    → name + case-sensitive symbol

    Vastaus

    peta

    P

  67. Kortti 67

    Kysymys

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

    Vastaus

    r

    10−2710^{-27}

  68. Kortti 68

    Kysymys

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

    Vastaus

    quetta

    103010^{30}

  69. Kortti 69

    Kysymys

    SI prefix power:

    102410^{24}

    → name + case-sensitive symbol

    Vastaus

    yotta

    Y

  70. Kortti 70

    Kysymys

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

    Vastaus

    f

    10−1510^{-15}

  71. Kortti 71

    Kysymys

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

    Vastaus

    zepto

    10−2110^{-21}

  72. Kortti 72

    Kysymys

    SI prefix power:

    102710^{27}

    → name + case-sensitive symbol

    Vastaus

    ronna

    R

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

72 korttia

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

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